Rotella Zddp

Reply With Quote. Type of Motorcycle Currently Riding: 2013 Victory Vision & 2017 Highball. The ZDDP content of this oil changed as follows (results of oil analyses, attached): 2014: Phosphorus 1157 ppm, Zinc 1310 ppm. Rotella 'synthetic' also has a 10w/40 I add about 2oz of ZDDP as levels have been dropping for years and have been removed from most automotive oils 'Our' engines were designed when ZDDP levels were around 1800ppm, today, levels are around 1200ppm which is the lower limit. The Mobil 1 V Twin at 1750 ZDDP (and wet clutch compatible, according to them) looks like a winner. Premium Member. Seems to run very well with most turbo Subaru's and in my own personal case has worked very well into the 100K+ mileage. Technical Data Sheet Shell ROTELLA® T5 10W-30 • Better Fuel Economy Performance • Improved Low Temperature Flow Synthetic Blend Technology Heavy Duty Diesel Engine Oil Shell ROTELLA® T5 heavy duty engine oil with Triple Protection PlusTM technology has been enhanced with synthetic base oils plus advanced additive technology to protect against wear, deposits and oil breakdown,. I've only put a couple of hours on it so far so we shall see. Remove contact lenses, if present and easy to do. Are surface that protective elements of zddp over time, who use in drag on. Rotella still has some ZDDP in the formula, as do some others like Mobil Delvac. The current debated number is somewhere between 1,200 and 1,850 ppm of ZDDP with only the lesser number being available locally in a oil product without requiring the use of a mail order ZDDP booster (or a mail order oil). I am suspectig the Zn concentration of the 30W is 1000 ppm and guessing the Phosphorus concetration would be around 900 ppm, which is slightly higher than API SM rated oil. So far in conclusion, ZDDP additives between all 3 oils tested seem to be about the same. Their TBN is also slightly lower, too. I think Aaron suggested the best oil for a 350 Chevy, Shell Rotella, in your choice of 10W-30 or 15W-40. to the metal. Oct 07, 2017 · ZDDP has been reduced over the the past ~20 years because of various reasons but the most relevant one here is that modern engines don't really need a ton of it because of roller lifters, Ect. Fuel economy performance. If it says it's safe to use in both gas and diesel engines on the bottle then i don't see an issue running in in my applications. Oils: Lucas Hot Rod & Classic Car Oil, Valvoline VR1 Racing , Amsoil Z-Rod, Brad Penn 'Penn-Grade 1', Royal Purple HPS, Shell Rotella Diesel Oil. Zinc dialkyldithiophosphate (ZDDP) is the most common zinc-based additive and is used primarily as an anti-wear agent to prevent premature engine wear. It outperforms conventional motor oils in severe conditions like stop-and-go driving, sludge forming environments, extensive idling, heavy hauling and towing, rugged terrain and extreme hot and cold temperatures. One bottle of ZDDPlus™ contains more ZDDP than two bottles of GM's EOS. Jan 24, 2009 · They also sell Rotella T synthetic 5W40 which meets CI-4 and CI-4 plus, API service. A couple yrs ago i sent a sample of new/fresh rotella std dino 15w-40 to blackstone labs for testing for an oil project i was working on which came back showing it had. I use an oil that has twice the amount of ZDDP than the SM rated Rotella-T. ZDDP is a cheap EP additive used for many years by Oil Companies. Shell Rotella T4 Triple Protection 15W-40 Version 1. 1000ppm of zddp in a syn oil is fine, but a dino oil needs more like 1200-1400ppm (as some of the normal Rotella diesel oils have in the. I run the Lucas Hot Rod oil now in my turbo 6 and my tunnel rammed 350 in my deuce. Read the thread "ZDDP and Pennzoil". I went through this issue when choosing the oil for my engine. ZDDP is being phased out of gas engine oils because of environmental concerns, and it can slowly plate catalytic converters. Use impervious gloves with used oil. Shell ROTELLA® T5 Synthetic Blend 15W-40, Shell ROTELLA® T6 Full Synthetic 5W-40 will also be reformulated to meet CK-4 specifications. I have not checked Rotella but my guess is that they too have similar ZDDP with their new oil formula. Search for a store page input 5. Harsh conditions, high speeds, temperature changes, the need to push the vehicle to its limits, and many other factors may contribute to the necessity for high zinc content. My '86 911 was designed around using oil with higher ZDDP levels, and it also had a cat, and those engines were well known to go 300k or more without a rebuild. Shell Rotella ® T4 Triple Protection 15W-40 is designed to provide hardworking protection that adapts to your driving conditions. Keep ZDDP, via ZDDPlus™, in your car's motor oil. affordable, good ZDDP content. Jan 11, 2008 · Right. It was designed for use in Diesel engines but they too have catalytic converters now so Rotellas has reduced their ZDDP amounts. ZDDP can cause damage to the cats if you are burning tons of oil, but if you're burning tons of oil you're sending all types of other stuff into the catalyst that can reduce the efficiency as well. One example is Shell Rotella T6 5w-40. That seems contradictory since Shell Rotella and Chevron Delo have been associated as Diesel oils. 5L Turbo Powertrain (EJ Series Factory 2. Rotella 5-40 will work fine and has 12-1400 zinc/phos to keep the cam safe. Some people add the ZDDP to motor oil (not hydraulic oil) in classic cars for the valve train. This Shell Rotella T6 5w-40 Synthetic engine oil is both a quality product and very affordable for 4-stroke motorcycles which use 10w-40 conventional engine oil. But Rotella 30 weight costs considerably less than VR1 or Royal Purple. by ShellMan80. The ZDDP was greatly reduced a few years ago and the rating number changed on Rotella, Chevron and all Diesel Oils, not C4 anymore. Bronco guys don't have as much to worry about, typically because we aren't pushing heavy duty springs (high seat pressures) with our old stockers. Page 1 of 2 Rotella T6 5W-40 (CK-4), v 1. But in the diesel formula 15/40 grade. Shell Rotella ® T6 Full Synthetic Diesel Oil provides excellent protection against harmful engine wear and sludge. The stuff in the white jug has 1200 PPM of ZDDP in it already. I run the Lucas Hot Rod oil now in my turbo 6 and my tunnel rammed 350 in my deuce. I've been very happy with the Motorcraft 10w-30 diesel engine oil, which, unlike current Rotella oils, still has ~1000 ppm of zinc. I've never used it as we use either VR1 or Straight Rotella in our boats. Aug 29, 2021 · 2 7 Best Oil for Flat Tappet Cam Engine. Zinc is an important component in Zinc dialkyldithiophosphate (ZDDP) which forms a sacrificial anti-wear film in an engine to help protect internal components such as a camshaft. Likely, I will just try Rotella CK4 since its cheap, I have some in the garage, and the additive levels still look good. Ask them what the PPM of ZDDP is in their Rotella oils today, compared to five years ago. The current debated number is somewhere between 1,200 and 1,850 ppm of ZDDP with only the lesser number being available locally in a oil product without requiring the use of a mail order ZDDP booster (or a mail order oil). There are other oils something like classic car oil 15 40, but I am suspicious it is diesel oil with a different label (and much more expensive), but I could be wrong. Shell ROTELLA® T4 Triple Protection® heavy duty engine oil has been formulated to provide Triple Protection technology against wear, deposits and oil breakdown. Jul 16, 2008 · Well after reading some heated topics on the subject of diesel oils, ZDDP additives, and such; I've decided to just use a 10w30 oil. The big deal with the reduction of ZDDP levels in automotive engines has to do with flat tappet engines, and especially air cooled flat tappet engines like Harley Davidson and Porsches. 2,249 Posts. ZDDP IS A EXTREME PRESSURE ADDITIVE THAT PROTECTS DRIVE TRAIN PARTS, CAM, LIFTERS, VALVE, PISTON RINGS, TURBO CHARGERS. Its not JASO MA certified though, although I'm not sure that would matter in my application. Enhanced wear protection. The valve springs in Kohler engines have very low spring pressure, not at all like a high reving V-8 with high lift long duration racing cam shafts. just wanted to spread the fact. 5 Castrol GTX 15W-40 Motor Oil. 7, Bursch Thermal Reactor Replacements, Smog Pump Removed, Magnecors, Silicone Valve Cover Gaskets, 11 Blade Fan, Carrera Oil Cooler, Turbo Tie Rods. Nov 05, 2010 · Edelbrock is now rebranding Torco oil and selling it at a marked up price. Diluted 4 oz Zddplus to five quarts of zddp-free oil would give you 1700 ppm zinc and 1200 ppm phosporous, which is where the old SM oil was at. 18,563 Posts. 02-23-2016, 04:52 PM. Model A's have steel camshafts, and low spring pressure on the valves, many modern engines have cast iron cams. You do not have to add anything to this oil and it won't break the bank either. According to the Shell site 15w-40 Rotella triple protection T4 is an API SM and CK-4 rated oil which to the API means <800 PPM thus, should be considered a low ZDDP product to make it compliant to converter longevity. Shell ROTELLA® T6 15W-40. Mathilda HAD a noisy lifter which quieted down at first running Rotella T5 a couple yrs ago, but as the new stuff came on, the chatter resumed. Rotella and Delo are fine in hipo engines. I still used Delo 400 for older running flat tappet engines but will usually run Kendall to break in a new engine. jerad188 · Registered. I don't think the. Pete, AMS Oil has a ZDDP line for old engines. It has high ZDDP in it! Thanks. Kendall is getting harder to find in my area so I have been using the Joe Gibbs and the ZDDP Plus additive for break in and initial use. When autocomplete results are available use up and down arrows to review and enter to select. API SM now replaces API SJ and API SL -- but SM-rated oil is still not suitable for most motorcycle engines (just as SJ and SL rated ones weren't), especially virtually every air-cooled, oil-cooled and. I'm not a dealer. Mar 31, 2012 · True on price but going back to the chart posted the Delo 400 LE has one of the lowest TBN's and calicum aka detergents of 7. Rotella in fact just released a article on how they removed some of the sought after ingredients from their oil. The SN and CK-4+ ratings that are down the road will likely force this number to go even lower. Aug 31, 2011 · Rotella does have more than the others. 18% zinc and 0. I always had the worst fuel dilution and the highest copper and especially lead (from con rod bearings) readings in my UOA's with it, relative to all the other oils I ran. It is designed to protect under the most severe engine conditions found in modern low-emission. It had adequate ZDDP content for flat tappet engines. High zinc motor oil, as in the case of most types of engine oils that use high amounts of additives, can be extremely useful when friction becomes a problem and added strain is placed on the motor. New Formulation Rotella T6 ZDDP Content Factory 2. ZDDP IS A EXTREME PRESSURE ADDITIVE THAT PROTECTS DRIVE TRAIN PARTS, CAM, LIFTERS, VALVE, PISTON RINGS, TURBO CHARGERS. Valvoline Premium Blue Heavy Duty Diesel Oil has 1100 PPM of ZDDP. Jun 24, 2021 · May 17, 2006. So, in practice, the effective level of Zinc anti-wear is a bit lower than what we expect it to be based solely on chemical analysis. The impact of ZDDP would not be the same, because for a given rate of oil consumption (which can be expected from any vehicle), Rotella T6 5W-40 would allow 1. With millions of miles of real world testing, Shell Rotella ® T4 Triple Protection 15W-40 uses a proprietary formula exclusive to Shell. Basically, he thought that they changed EOS when they brought it back to the market. Additionally, the ZDDP that is generally used in. Also the zinc is 1200 ppm in both. Aug 29, 2012 · Yes, look for the API Classification If it's a CJ-4 listed product it is the newer 'Low Emission' formula - lower ZDDP and higher Moly concentrations. ZDDP was not removed from many of the oils meant for diesel trucks. The line includes engine oils, gear oils and coolants. But Rotella 30 weight costs considerably less than VR1 or Royal Purple. I've been very happy with the Motorcraft 10w-30 diesel engine oil, which, unlike current Rotella oils, still has ~1000 ppm of zinc. I have used AMS Oil 15-45 in our Malibu since new. affordable, good ZDDP content. 82 TBN and 1593 calcium compare that to old friend Rotella with 8. Thereof, is Shell Rotella good oil? Rotella is a very good oil as with the rest of the diesel grade motor oils. As I recall, gasoline-only oils are limited to about 800 ppm, and the Rotella is about 1100. After doing so I noted a significant reduction in noise, oil consumption and leakage compared to castrol gtx. 5 Castrol GTX 15W-40 Motor Oil. He said he has seen turbo failures from using T6. Rotella diesel motor oil is. I was using Rotella 15w-40 in my Pontiac 455 a little ZDDP would be recommended too. Shell Rotella T4 15W-40 heavy duty engine oil uses a proprietary formula exclusive to Shell. It is designed for improved fuel economy versus ROTELLA® CK-4 oils while offering equivalent wear protection to CK-4 products. ZDDP is a last resort protection against metal-to-metal contact. Dear Straight Eight, Thanks for sharing another perspective that reinforces my gut feelings. Started investigating T5 blend 15w-40 as an alternative to the T and T6 blend I currently use. FOR SM/SN rated auto engine oils, ZDDP is limited to 1200ppm in oils 40 weight and over and 800ppm for anything 30 and below (I think). In that one, I run Pentosin 5w-40. Clearly no harm to our cats that are making 300-400K miles. 7 Lunati15W-50 High Zinc Oil for Flat Tappet Camshaft. As for ZDDP additives, other then GM OES, Lucas TP Zinc Plus containing approx 8300ppm ZDDP is our only available product. High zinc motor oil, as in the case of most types of engine oils that use high amounts of additives, can be extremely useful when friction becomes a problem and added strain is placed on the motor. Big question is would you guys add some ZDDP addative to this oil. Maximum allowable Phosphorus content for API CJ-4 specified oils is 1200ppm. Shell Rotella has plenty of ZDDP. Here in CDA Petro Can DURON-E contains the most ZDDP at around 1130/1000 followed by Valvoline All Fleet Plus, then Shell Rotella and Mobil Delvac 1300 Super with something like 1050/980. - Up to 38 percent lower wear in over 40 million miles of on and off road testing in late-model engines. These two grades meet the JASO MA specifications and are safe for wet clutches. The Rotella has slightly more zinc and phosphorus than the Chevron RPM Delo 15W-40 I have used in my Ford Powerstroke the last 18 years. The prior "SL" oils were at 1000ppm zddp. Diesel engine oils have a higher anti-wear (AW) load in the form of zinc dialkyldithiophosphate (ZDDP). After skin contact, wash immediately with soap and water. When the EPA got involved around 2006 and cut the ZDDP 50% in the Rotella and anybody else that was using ZDDP, we started looking for an alternative oil. Valvoline is very good oil. Delo 400 LE SAE 15W-40 76 911S, 2. Shell ROTELLA® T4 Triple Protection® oil uses advanced additive technology to protect under the most severe engine conditions found in modern, low-emission engines. He said he has seen turbo failures from using T6. It's available in a single grade SAE30 "break in" and in multi-grade blends. " That overcomes the perception by some -- not necessarily you, but others I've read -- that the new SM oil's ZDDP is essentially reduced. Unrated Powersports oils?. Ones that used to be good for these engines now have significantly reduced ZDDP levels. ZDDP in Shell Rotella T Many of you will probably gain from this info: I called Shell customer service, 800-231-6950, and spoke to a rep. 77 TBN and 2488 calcium,the Joe Gibbs link talks a lot about zinc but does not show a breakdown of the oils components. rupertpupkin1323. This Shell Rotella T6 5w-40 Synthetic engine oil is both a quality product and very affordable for 4-stroke motorcycles which use 10w-40 conventional engine oil. This is the new oil out that comes from a Natural Gas base oil which is much cleaner than crude oil. Obviously , if it runs, it does not have a wiped lobe. Rotella Syn is common stuff and only costs about $13 a gallon which is a pretty good deal. Improved deposit control/cleanliness. It provides amazing wet clutch shifting. Last I knew it was only 5w-40. It actually is on sale at Auto Zone for 50% off. 4,712 Posts. Shell Rotella T4 Triple Protection 15W-40 Version 1. Joined Aug 11, 2009 Zinc dialkyldithiophosphate (ZDDP) is the most commonly used anti-wear additive in motor oils. Joined Sep 17, 2009 · 1,171 Posts. 0L and I got a bit of top end noise from a 40 grade oil being on the tick side. The Mobil 1 V Twin at 1750 ZDDP (and wet clutch compatible, according to them) looks like a winner. It outperforms conventional motor oils in severe conditions like stop-and-go driving, sludge forming environments, extensive idling, heavy hauling and towing, rugged terrain and extreme hot and cold temperatures. I am suspectig the Zn concentration of the 30W is 1000 ppm and guessing the Phosphorus concetration would be around 900 ppm, which is slightly higher than API SM rated oil. Shell Rotella and Valvoline Premium Blue still retain about 1100 - 1200 ppm of zinc. jerad188 · Registered. (which should be good enough) For 1200ppm, you have to go with the 15W-50 extended performance. This is the new oil out that comes from a Natural Gas base oil which is much cleaner than crude oil. After skin contact, wash immediately with soap and water. #7 · May 12, 2010. was wondering how your diesel oil stacks up too? thanks, andrejs Most Recent Update: A: Good evening Andrejs, thank you for contacting Valvoline Product Support. Joined Sep 13, 2004. Shell Rotella T4 triple oil protection uses additive technology to protect under the most severe engine conditions found in modern, low emission engines. Shell Rotella Triple Protection Technology. I'm sure it would make excellent oil for any diesel engine but if the specs don't call for it, you're just. Since the transition from CJ-4 to CK-4 I decided to supplement Rotella T6 5W40 with a ZDDP additive. This may be old news, but new to me. I don't know offhand what the ZDDP content is but it should be better than regular oil since it's diesel-rated. I have used both. But Rotella T6 now has a 15w-40. 600 lift high spring pressure solid cam going on 11 years now. 6 AeroShell Oil W100 Plus. As soon as the Rotella's full synthetics became available, we jumped on that stuff. Rotella oils like T3 15w-40 meets both the API CJ-4 and SM specifications, and may be used in both gasoline and diesel engines. The old standby Rotella has reduced zinc and is no longer the savior it once was,Chevron Delo 400 in 20wt,30wt, &40wt and the Delo 400 15W40 has the older. I always had the worst fuel dilution and the highest copper and especially lead (from con rod bearings) readings in my UOA's with it, relative to all the other oils I ran. Date published: 2019-11-18. Obviously , if it runs, it does not have a wiped lobe. Rotella T6 diesel engine oil has a high amount of ZDDP (Zinc Dialkyl Dithiophosphate), which is an effective engine oil detergent. Rotella does offer distinct advantages for older engines that have flat tappet cams due to it still retaining a fairly high zddp content. Attached is the UOA after 6000 miles. Search child forums as well. Rotella 5-40 will work fine and has 12-1400 zinc/phos to keep the cam safe. from that a good estimate on the ZDDP level would be around 1100 ppm. Double the amount of the 1980s Pennzoil. Formulated by the engine gurus at Joe Gibbs Racing, Driven Racing Oil motor oil and break-in oil have protected Joe Gibbs' 9,000-rpm, flat-tappet engines for. At the time, Shell Rotella T (diesel as the main spec application, gas motors as the secondary application) probably had something like 1400ppm or zddp in it. Oct 07, 2017 · ZDDP has been reduced over the the past ~20 years because of various reasons but the most relevant one here is that modern engines don't really need a ton of it because of roller lifters, Ect. 5 Castrol GTX 15W-40 Motor Oil. Shell Rotella and Valvoline Premium Blue still retain about 1100 - 1200 ppm of zinc. 15% phosphorus and 0. Although officially marketed for big 18-wheel trucks and construction equipment, Shell's Dan Arcy says, "Other than viscosity differences and possible catalytic converter issues, there is no reason not to run. 7 Lunati15W-50 High Zinc Oil for Flat Tappet Camshaft. View Report (PDF) The next oil checked was the older version of "Shell Rotella" T, 15W/40; it contained 1133 PPM Phosphorus and 1276 PPM Zinc. 4,712 Posts. It provides amazing wet clutch shifting. #7 · May 12, 2010. Rotella oils like T3 15w-40 meets both the API CJ-4 and SM specifications, and may be used in both gasoline and diesel engines. 6 AeroShell Oil W100 Plus. It has high ZDDP in it! Thanks. I went to Wal-Mart the other day to pick some up for an oil change and noticed that the bottle was different and more importantly, the API-SN rating was absent on the back. Historically, ZDDP has been added to oils in amounts resulting in approximately 0. In winter I use 5/40 synthetic. I told him I use Shell Rotella T6 synthetic and he said the old formulation was a good oil but the new formulation that is currently sold is not a good oil and does damage to the turbo. Shell ROTELLA® T6 Synthetic oil resists viscosity loss through shear and will maintain optimal oil pressure in the engine. - Meets or exceeds API CJ-4 requirements, and is designed to provide. I use lucas additive #10063 added to Rotella diesel 15-40. The Mobil 1 V Twin at 1750 ZDDP (and wet clutch compatible, according to them) looks like a winner. 5L Turbo Powertrain (EJ Series Factory 2. Rotella/some other popular diesel oil ranks well and should be just fine for low spring/stock camshaft flat tappet engines. Shell ROTELLA ® T4 Triple Protection 15W4- 0 is formulated to provide increased protection at high engine temperatures n l heSl ROTELLA® T4 pe Tirl Poretcotin ® 15W40 - provides improved deposit protection at higher temperatures compared to prior formula Shell ROTELLA ® T Trpi el Protection®1 5W4- 0 n Si hel dl epost di emonsrtation test. If you believe this Rotella synthetic oil provides the protection needed for the lifters & cam WITHOUT the ZDDP additive, than I am willing to pay a little extra to avoid the addition of an additive, and to give my turbo engine. API SM now replaces API SJ and API SL -- but SM-rated oil is still not suitable for most motorcycle engines (just as SJ and SL rated ones weren't), especially virtually every air-cooled, oil-cooled and. It says that Shell Rotella still has 1100 to 1200 ppm, so the Rotella is probably just fine to use. I told him I only rev. The VR1 racing oil has much higher levels at 1400 ppm and 1300 ppm. Mathilda HAD a noisy lifter which quieted down at first running Rotella T5 a couple yrs ago, but as the new stuff came on, the chatter resumed. Now that Rotella isnt puting ZDDP into their oils, has anybody tried Deisel specific oils? Do they still have ZDDP or another synthetic wear protector? How about 15w-40 as a weight? anybody tried it? How's oil pressure?. Oct 07, 2017 · ZDDP has been reduced over the the past ~20 years because of various reasons but the most relevant one here is that modern engines don't really need a ton of it because of roller lifters, Ect. Attached is the UOA after 6000 miles. I use an oil that has twice the amount of ZDDP than the SM rated Rotella-T. was wondering how your diesel oil stacks up too? thanks, andrejs Most Recent Update: A: Good evening Andrejs, thank you for contacting Valvoline Product Support. 4 Shell Rotella T 5 Synthetic Blend 15W-40 Motor Oil. affordable, good ZDDP content. 77 TBN and 2488 calcium,the Joe Gibbs link talks a lot about zinc but does not show a breakdown of the oils components. rupertpupkin1323. pretty good deal for over the counter pricing. 5 gallon container @ wally world is $31. It has approximately 1400 ppm zinc. If you order ZDDP I think they'll give you free shipping if you say you saw their ad in Hemmings. Select a store to see pricing & availability. 02-23-2016, 04:52 PM. 7 Lunati15W-50 High Zinc Oil for Flat Tappet Camshaft. Last I knew it was only 5w-40. I tried various synthetics as well as the Rotella and what i have settled on is the same oil i run in my high performance jet ski engine and motorcycle, Valvoline GTX 5W-30. Rotella® T Multigrade SAE 15W-40 (CJ-4) ATTENTION! PROLONGED OR REPEATED SKIN CONTACT MAY CAUSE OIL ACNE OR DERMATITIS. Formulated by the engine gurus at Joe Gibbs Racing, Driven Racing Oil motor oil and break-in oil have protected Joe Gibbs' 9,000-rpm, flat-tappet engines for. Classic car oils with elevated levels of ZDDP/ZDTP are also being offered by many suppliers. pretty good deal for over the counter pricing. It's expensive, at $8 per liter or thereabouts. (forgot to document his name, but very nice fellow) and I asked him how much zinc and phosphorous the new Rotella T 5w-40 synthetic contains. Since the 1940s, the formulation of ZDDP has changed several times through the years. 7 PCM in the future. 8 Amsoil Break-in Oil (SAE 30) 9 Castrol GTX 20W-50 Conventional Motor Oil. It contains both zinc and phosphorus components that work. If you are really convinced you need high levels of ZDDP then VR1 is the oil to go for. There are other oils something like classic car oil 15 40, but I am suspicious it is diesel oil with a different label (and much more expensive), but I could be wrong. Motor Oil - Vehicle Specific. Seems to run very well with most turbo Subaru's and in my own personal case has worked very well into the 100K+ mileage. 15% phosphorus and 0. So far in conclusion, ZDDP additives between all 3 oils tested seem to be about the same. The subject of ZDDP was brought up and we were told that using Rotella will solve that problem or uning a Zink additive. The Rotella T4 15W40 dino oil is relatively inexpensive, the viscosity fits for most of the temperature zones in the US, it's got Zinc and it's readily available. I've been very happy with the Motorcraft 10w-30 diesel engine oil, which, unlike current Rotella oils, still has ~1000 ppm of zinc. The ZDDP content of this oil changed as follows (results of oil analyses, attached): 2014: Phosphorus 1157 ppm, Zinc 1310 ppm. Called Shell tech line and they said the T4 is T re-branded? They said it still has all the same ZDDP additive levels as the T but simply re-packaged for some reason. Looks like VR1 is top tier. 5 gallon container @ wally world is $31. Search for a store page input 5. The catalytic converters in diesel systems are designed to be able to deal with this problem, while the gasoline systems are not. ZDDP protects by creating a film on cams and flat lifter contact points in response to the extreme pressure and heat at the contact point. I started using Lucas high zinc break in oil a few years ago with good success. So, in practice, the effective level of Zinc anti-wear is a bit lower than what we expect it to be based solely on chemical analysis. Sep 14, 2008 · Same story with the Rotella. *Compared to SAE 15W-40. I told him I use Shell Rotella T6 synthetic and he said the old formulation was a good oil but the new formulation that is currently sold is not a good oil and does damage to the turbo. Joined Aug 11, 2009 Zinc dialkyldithiophosphate (ZDDP) is the most commonly used anti-wear additive in motor oils. Oddometer: 2,235. R Diesel oils use ZDDP as a FM that is not recommended for passenger cars, since the zinc poisons catalytic converters. The Valvoline racing oils (VR1 and vv850) come with ZDDP already built in. 6 AeroShell Oil W100 Plus. As a matter of fact, our own personal use of Rotella goes back thirty years to the 15-40 oil in the 1. "You can use our Rotella T4 15W-40 engine oil or Rotella T6 5W-40 (synthetic, good for high and low temperatures). Shell Rotella T Motor Oil with Triple ProtectionTM technology is a unique, latest generation premium heavy-duty motor oil that meets or exceeds the service requirements of virtually all diesel engine manufacturers - for both the latest 2007-emission compliant and older engines. I still used Delo 400 for older running flat tappet engines but will usually run Kendall to break in a new engine. All good questions, I ran the Rotella in my v8 since it was available local. 4 Shell Rotella T 5 Synthetic Blend 15W-40 Motor Oil. For over 40 years, Shell ROTELLA® heavy duty diesel engine oils have delivered unrivaled protection and performance. Valvoline Premium Blue Heavy Duty Diesel Oil has 1100 PPM of ZDDP. Shell ROTELLA ® T5 10W-30 Synthetic Blend Heavy Duty Engine Oil with Triple Protection Plus™ technology uses synthetic base oils plus advanced additive technology to provide protection against wear, deposits and oil breakdown PLUS: Better fuel economy. The EPA is also making the oil manufactures lower the ZDDP in the Diesel oils. Rotella and Delo are fine in hipo engines. This heavy-duty engine oil has been formulated to provide Triple Protection technology against wear, deposits and oil breakdown. Historically, ZDDP has been added to oils in amounts resulting in approximately 0. Like ZDDP anti-wear chemistry, detergents are a surface active chemistry and compete directly for space on metal surfaces, such as the cam lobe and lifter face. Delo 400 LE SAE 15W-40 76 911S, 2. The Rotella T6 your picture shows is, according to the info I found, the older T6 which had a good amount of ZDDP so it should be quite good for our Ferraris (flat tappets). Ask them what the PPM of ZDDP is in their Rotella oils today, compared to five years ago. Dec 19, 2017 · Here are some oils that I know have high levels of ZDDP Shell Rotella T 15W-40 CI-4 Plus ZDDP - 1200 Shell Rotella T 15W-40 CI-4 ZDDP - 1100 Mobil One 15W-40 ZDDP 1100 Mobil One 5W-40 Turbo diesel truck - ZDDP 1100 Lucas Race Oil 10W-30 ZDDP 3000 Amsoil 10W-30 Z-Rod ZDDP 1400 Redline 15W-40 CI-4 ZDDP 1500 Chevron Delo 15W-40 400LE CI-4 ZDDP 1300. I told him I use Shell Rotella T6 synthetic and he said the old formulation was a good oil but the new formulation that is currently sold is not a good oil and does damage to the turbo. A recent research article in "Tribology and Lubrication technology" (nov. As I recall, gasoline-only oils are limited to about 800 ppm, and the Rotella is about 1100. Big question is would you guys add some ZDDP addative to this oil. BTW the amsoil racing oil is fantastic oil for anybody interested in the best. All good questions, I ran the Rotella in my v8 since it was available local. 5L Turbo Powertrain (EJ Series Factory 2. It is popular here, and on the Miata. If you believe this Rotella synthetic oil provides the protection needed for the lifters & cam WITHOUT the ZDDP additive, than I am willing to pay a little extra to avoid the addition of an additive, and to give my turbo engine. Basically a non-statement, all mainstream oils contain SOME amount of ZDDP, the issue is the amounts are being reduced, by API designator. But Rotella 30 weight costs considerably less than VR1 or Royal Purple. These two grades meet the JASO MA specifications and are safe for wet clutches. It's thinner for better startup and circulation. Rotella T6 is JASO MA rated, meaning it can be used with a wet clutch. 6 AeroShell Oil W100 Plus. Historically, ZDDP has been added to oils in amounts resulting in approximately 0. The Rotella T4 15W40 dino oil is relatively inexpensive, the viscosity fits for most of the temperature zones in the US, it's got Zinc and it's readily available. It provides triple action to help control wear, deposits and emissions. View Report (PDF) Next was the current "Shell Rotella" T, 15W/40. The Aircooled guys loved the original formula but still use it because it still is higher than anything else on the market and the extra detergents really help the non-filtered AC'ed Volkswagens. i have previously used shell rotella T and castrol GTX 15W/40 diesel oils in my 1968 VW Squareback on advice from the same VW forum crowd due to high ZDDP content, etc. I was told by a Shell Tech Rep that all Rotella Multigrade oils use the same additive package, with the exception of the new Multi-vehicle Rotella (5W-30 I think) - which has low ZDDP and shouldn't be used in cycle engines. You can get the higher level of ZDDP protection in HDEOs when the oil also carries the Ford WSS-M2C171-F1 spec (minimum 1000 ppm of phosphorus). This is the new oil out that comes from a Natural Gas base oil which is much cleaner than crude oil. AMSoil is a true synthetic that will suspend contaminants much better than Rotella. i run this in the cummins, 2. Unless something has changed, like the path Rotella took to meet diesel catalysts, STP was always a high zinc/phosphorous additive. I couldn't tell you for sure one way or the other if high ZDDP will really hurt the cat in a WJ, but most likely nothing to really worry about (not like. 6 AeroShell Oil W100 Plus. The guys on Discovery Channel's Mythbusters have exposed some pretty incredible myths. Hot Rod magazine wrote about this lack of ZDDP over ten years ago!. Anyway, they've recently analyzed several major heavy duty diesel engine oils, and posted the results, which I find interesting. Called Shell tech line and they said the T4 is T re-branded? They said it still has all the same ZDDP additive levels as the T but simply re-packaged for some reason. It cleans, maybe not as well as the Rotella which may clean too well. One bottle of ZDDPlus™ contains more ZDDP than two bottles of GM's EOS. Historically, ZDDP has been added to oils in amounts resulting in approximately 0. 5,127 Posts. Joined Nov 18, 2011. The cam is either work hardened or it has a wiped lobe by now. After skin contact, wash immediately with soap and water. 25L 4-Cylinder Engine Oil. Seems to give it not have no adverse wear can determine if your engine performance synthetic racing world, zddp with some do? Debunking the Urban Legend of ZDDP LiveAbout. Discussion Starter · #1 · Dec 9, 2014. It will have the diesel classification listed as CC, CD or CE something like that. Joined Sep 13, 2004. Joined Dec 5, 2004. Hopefully PCM will come out with a updated recomendation on oil for the 5. Originally posted by Jim Brierley View Post. The line includes engine oils, gear oils and coolants. Any engine with flat tappet cam needs the ZDDP at 1100ppm or more so the new T-6 is the smart choice for all mowers. Rotella oils like T3 15w-40 meets both the API CJ-4 and SM specifications, and may be used in both gasoline and diesel engines. Diesel oils are allowed by law to have more ZDDP than oils certified for ONLY gasoline use. I am going to contact Blackstone and ask for a little more information about the magnesium additive to see "what" it actually does since for whatever reason, the Rotella-T6 has a TON more of it. Search for a store page input 5. I was told by a Shell Tech Rep that all Rotella Multigrade oils use the same additive package, with the exception of the new Multi-vehicle Rotella (5W-30 I think) - which has low ZDDP and shouldn't be used in cycle engines. Jul 16, 2008 · Well after reading some heated topics on the subject of diesel oils, ZDDP additives, and such; I've decided to just use a 10w30 oil. The old standby Rotella has reduced zinc and is no longer the savior it once was,Chevron Delo 400 in 20wt,30wt, &40wt and the Delo 400 15W40 has the older. elagache Active Member. Joined Sep 17, 2009 · 1,171 Posts. Shell Rotella T4 Triple Protection 15W-40 Version 1. look here: ZDDP is an old- and inexpensive-tech way to reduce valvetrain wear, at least within the Subaru context that this site is about. It meets or exceeds API CJ-4 requirements and will provide extra performance. Oct 07, 2017 · ZDDP has been reduced over the the past ~20 years because of various reasons but the most relevant one here is that modern engines don't really need a ton of it because of roller lifters, Ect. Avoid breathing of vapors, fumes, or mist. Current verions are more like 1200ppm, from the oil analysis reports posted to the BobIsTheOilGuy website. Just take a look at any blackstone or other oil test with modern oils. Precautionary Measures: Avoid prolonged or repeated contact with eyes, skin and clothing. What can we do? Diesel engine oil still has the ZDDP additives, as do several other oils, including Castrol HD off road, Redline (synthetic) or Valvoline VR1. Location: Tucson. I didn't really catch the reasoning but was willing to go along to get along. Shell ROTELLA® T4 Triple Protection® oil uses advanced additive technology to protect under the most severe engine conditions found in modern, low-emission engines. Selecting the proper Shell ROTELLA® engine oil for a truck or equipment will be. Second part of the equation is Molybdenum disulfide (Moly). rupertpupkin1323. When the EPA got involved around 2006 and cut the ZDDP 50% in the Rotella and anybody else that was using ZDDP, we started looking for an alternative oil. It is designed to protect under the most severe engine conditions found in modern low-emission. Like ZDDP anti-wear chemistry, detergents are a surface active chemistry and compete directly for space on metal surfaces, such as the cam lobe and lifter face. Diesel engine oils have a higher anti-wear (AW) load in the form of zinc dialkyldithiophosphate (ZDDP). Jan 19, 2013 · Location: Tucson. Current verions are more like 1200ppm, from the oil analysis reports posted to the BobIsTheOilGuy website. - Aly, Shell Technical Information Answered by: Shell Rotella Team. The test results (attached as pdf) show the following:. Ones that used to be good for these engines now have significantly reduced ZDDP levels. Rotella Syn is common stuff and only costs about $13 a gallon which is a pretty good deal. (forgot to document his name, but very nice fellow) and I asked him how much zinc and phosphorous the new Rotella T 5w-40 synthetic contains. Good doses of ZDDP and from an company email they don't contain friction-modifiers (which for boxers is not a factor). 6 AeroShell Oil W100 Plus. Approx 1200-1300ppm zddp is the stated minimum required for stock to mild perf flat tappet cam protection AND THE ROTELLA DOESNT CUT IT ANYMORE,PERIOD. The need for ZDDP is directly proportional to the amount of valve spring pressure. Mar 08, 2011 · It can, but zinc not necessary in trannies, rear ends and steering gears, etc. Jan 24, 2009 · They also sell Rotella T synthetic 5W40 which meets CI-4 and CI-4 plus, API service. Mathilda HAD a noisy lifter which quieted down at first running Rotella T5 a couple yrs ago, but as the new stuff came on, the chatter resumed. Rotella ® T5 15W-40 Synthetic Blend Technology is suitable for a wide range of heavy duty engine applications. The tech at the dealership thought that putting ZDDP in EOS was illegal. Rotella touts it's "Triple" Protection, which apparently is meant to clean and protect better than other oils. The first couple were Polaris oil to get a baseline and then I switched to Shell Rotella T 5w40. Higher zinc levels in oil typically are for performance cars on the whole. 6 AeroShell Oil W100 Plus. ZDDP has been gradually reduced over the years so its content today will probably not be the same as, say, in 2014. The Valvoline racing oils (VR1 and vv850) come with ZDDP already built in. The Rotella has slightly more zinc and phosphorus than the Chevron RPM Delo 15W-40 I have used in my Ford Powerstroke the last 18 years. Then drain that "Break In Oil" & change to a different oil, still containing proper levels of ZDDP, but now using an oil with a HIGHER PSI rating for wear. Haven't done it in lot's of years with the new stuff out but 50/50 mix of STP and 30wt was the chosen assembly lube for many many years on fresh rebuilds because it contained somewhere in the mid teens (1300. Oddometer: 2,235. us Company Information: Shell Oil Company US (SOPUS) is the United States-based subsidiary of Royal Dutch Shell. Use impervious gloves with used oil. May 17, 2006. But Rotella T6 now has a 15w-40. Zinc is an important component in Zinc dialkyldithiophosphate (ZDDP) which forms a sacrificial anti-wear film in an engine to help protect internal components such as a camshaft. I like to see at least 1300-1400ppm zddp for even mild performance cams. I actually don't know any that used T6, T4 has been the version used for years. The answer: "Shell Rotella T Multigrade Oil SAE 15W-40 with Triple Protection Technology, our API CJ-4/SM specification product, typically contains about 1200 ppm zinc and 1100 ppm phosphorous as manufactured. Most people say what you do but the fact is many contributors claim that Wikipedia is in fact run and updated by only a handful of people. The need for ZDDP is directly proportional to the amount of valve spring pressure. Rotella 'synthetic' also has a 10w/40 I add about 2oz of ZDDP as levels have been dropping for years and have been removed from most automotive oils 'Our' engines were designed when ZDDP levels were around 1800ppm, today, levels are around 1200ppm which is the lower limit. Shell Rotella T4 Triple Protection 15W-40 Version 1. Rotella® T Multigrade SAE 15W-40 (CJ-4) ATTENTION! PROLONGED OR REPEATED SKIN CONTACT MAY CAUSE OIL ACNE OR DERMATITIS. I have been using Shell Rotella for years with no complaints. I started using Lucas high zinc break in oil a few years ago with good success. I use the Shell Rotella for engine break-in as it was recommended by my engine builder. ZDDP is an important anti-ware component, and exceptionally helpful in resisting wear at startup as well. Count on Shell Rotella T6 Full Synthetic, 15W-40, 5W-40 and 0W-40 synthetic diesel engine oil for: Compatibility with exhaust emissions control systems. Diluted 4 oz Zddplus to five quarts of zddp-free oil would give you 1700 ppm zinc and 1200 ppm phosporous, which is where the old SM oil was at. Don't think it matters to your ATV. Feb 28, 2011 #7 Agree with your line of reasoning. Likely, I will just try Rotella CK4 since its cheap, I have some in the garage, and the additive levels still look good. Passenger car oils now seem to use Boron or Molybdenum as FMs. 5L Turbo Powertrain (EJ Series Factory 2. This Shell Rotella T6 5w-40 Synthetic engine oil is both a quality product and very affordable for 4-stroke motorcycles which use 10w-40 conventional engine oil. That 440 starts at -15 below with no effort, and no lifter noise, ever. MichaelB Veteran Member. 8 Amsoil Break-in Oil (SAE 30) 9 Castrol GTX 20W-50 Conventional Motor Oil. · ·Avoid contact with skin. Shell Rotella T4 15W-40 heavy duty engine oil uses a proprietary formula exclusive to Shell. Use impervious gloves with used oil. Rotella comes in recommended 30 weight, and also has ZDDP in it to protect the cam shaft surfaces of VW motors. Shell Rotella T. (forgot to document his name, but very nice fellow) and I asked him how much zinc and phosphorous the new Rotella T 5w-40 synthetic contains. 18,563 Posts. If the engine is already broken, Rotella has enough zinc and should be fine. I couldn't tell you for sure one way or the other if high ZDDP will really hurt the cat in a WJ, but most likely nothing to really worry about (not like. As for ZDDP additives, other then GM OES, Lucas TP Zinc Plus containing approx 8300ppm ZDDP is our only available product. API SM now replaces API SJ and API SL -- but SM-rated oil is still not suitable for most motorcycle engines (just as SJ and SL rated ones weren't), especially virtually every air-cooled, oil-cooled and. Joined Aug 11, 2009 Zinc dialkyldithiophosphate (ZDDP) is the most commonly used anti-wear additive in motor oils. If you believe this Rotella synthetic oil provides the protection needed for the lifters & cam WITHOUT the ZDDP additive, than I am willing to pay a little extra to avoid the addition of an additive, and to give my turbo engine. Rotella T4 was the choice of KTM's teams for years and a lot of teams have used it at one point or another for practice lubricants. I keep reading that rotella doesn't have zddp anymore, so I called the company direct and they do, I believe 1200 ppm. I have used AMS Oil 15-45 in our Malibu since new. 5 Castrol GTX 15W-40 Motor Oil. Date published: 2019-11-18. He said he has seen turbo failures from using T6. The Valvoline bottle is an all-fleet (gas, diesel, natural gas), but the Rotella is just diesel. Going to switch to Rotella T6 synthetic after a few thousand miles. 25L 4-Cylinder Engine Oil. Although, S and Zn content of Rotella T 15W-40 was slightly lowered to meet CJ-4 specification, the performance of the oil. Formerly known as Shell Rotella® T Triple Protection, Shell Rotella® T4 Triple Protection 10W-30 Diesel Engine Oil is the most technically advanced Shell Rotella® formulation ever. If it says it's safe to use in both gas and diesel engines on the bottle then i don't see an issue running in in my applications. BTW the amsoil racing oil is fantastic oil for anybody interested in the best. Haven't done it in lot's of years with the new stuff out but 50/50 mix of STP and 30wt was the chosen assembly lube for many many years on fresh rebuilds because it contained somewhere in the mid teens (1300. I have used 10/30 in the past in the cold of winter but it was a diesel Rotella product that met fords specs. Ordered 3 gallons of the 10W-30 Rotella T and received Rotella T4. Double the amount of the 1980s Pennzoil. Motor Oil - Vehicle Specific. Big question is would you guys add some ZDDP addative to this oil. Shell Rotella T is a line of heavy duty engine lubrication products produced by Royal Dutch Shell. The straight grade Rotella has not changed the Zinc content but the other Rotella grades have lowered the Zinc content due to new government standards. 82 TBN and 1593 calcium compare that to old friend Rotella with 8. The oil carries both the American Petroleum Institute (API) diesel "C" rating as well as the API gasoline engine "S" rating. bonds to the zinc adding an additional, very slippery, sacrificial layer. I didn't really catch the reasoning but was willing to go along to get along. And while some people swear by Rotella the diesel engine is a completely different animal so the additives are different. The ZDDP content of this oil changed as follows (results of oil analyses, attached): 2014: Phosphorus 1157 ppm, Zinc 1310 ppm. Shell Rotella and Valvoline Premium Blue still retain about 1100 - 1200 ppm of zinc. Double the amount of the 1980s Pennzoil. I have ran shell rotella T non-syn 15w40 in my 22r in the past, and rotella t6 synthetic 5w40 in my 345 000km in my vitara. Delo 400 LE SAE 15W-40 76 911S, 2. Fuel economy performance. The subject of ZDDP was brought up and we were told that using Rotella will solve that problem or uning a Zink additive. I've been very happy with the Motorcraft 10w-30 diesel engine oil, which, unlike current Rotella oils, still has ~1000 ppm of zinc. The Mobil 1 V Twin at 1750 ZDDP (and wet clutch compatible, according to them) looks like a winner. Location: England. So far in conclusion, ZDDP additives between all 3 oils tested seem to be about the same. Oct 07, 2017 · ZDDP has been reduced over the the past ~20 years because of various reasons but the most relevant one here is that modern engines don't really need a ton of it because of roller lifters, Ect. Shell ROTELLA® T4 Triple Protection® oil uses advanced additive technology to protect under the most severe engine conditions found in modern, low-emission engines. When I used to buy it before the change, they only had 15W 50. 8 Amsoil Break-in Oil (SAE 30) 9 Castrol GTX 20W-50 Conventional Motor Oil. Shell Rotella oil is largely produced for DIESEL motors and that's why it boasts about its ZDDP components. What what I've read it's JASO MA but they've not had it tested so it's not listed and I believe this considering it's not energy saving or energy conserving. What can we do? Diesel engine oil still has the ZDDP additives, as do several other oils, including Castrol HD off road, Redline (synthetic) or Valvoline VR1. Shell Rotella T4 15W-40 heavy duty engine oil uses a proprietary formula exclusive to Shell. Its not JASO MA certified though, although I'm not sure that would matter in my application. The valve springs in Kohler engines have very low spring pressure, not at all like a high reving V-8 with high lift long duration racing cam shafts. In that one, I run Pentosin 5w-40. Most of us boost the Rotella products as that is the least cost way to get up to the higher ZDDP levels. Look up Schaeffer oil they cover ZDDP better than any oil out there and have the racing reputation all along. Rotella is more common older motors that use non hydr lifters. I used to use it in my trucks, but no longer do as it is a PIA to find a shop that stocks it. Plus its expensive!. #4 · Jan 2, 2010. Going to throw on a Amsoil 99 oil filter. Like ZDDP anti-wear chemistry, detergents are a surface active chemistry and compete directly for space on metal surfaces, such as the cam lobe and lifter face. So it doesn't matter what oil you start with, ZddPlus has enough zddp to bring it up to snuff. A couple yrs ago i sent a sample of new/fresh rotella std dino 15w-40 to blackstone labs for testing for an oil project i was working on which came back showing it had. Valvoline VR1 Racing Oil 30 weight or Royal Purple 30 weight is certainly good oil for VW air-cooled motors too. Mar 31, 2012 · True on price but going back to the chart posted the Delo 400 LE has one of the lowest TBN's and calicum aka detergents of 7. If the engine is already broken, Rotella has enough zinc and should be fine. Shell Rotella ® T6 Full Synthetic Diesel Oil provides excellent protection against harmful engine wear and sludge. The Synthetic Blend version also has 1100 PPM of ZDDP. It says that Shell Rotella still has 1100 to 1200 ppm, so the Rotella is probably just fine to use. Whereas a few years ago the zinc level was typically 0. With its wide range of specifications and approvals from many leading engine makers, it is an excellent choice for on-highway fleets, construction, agriculture, and diesel pick-up trucks, including high-power vehicles where resistance. Aug 29, 2012 · Yes, look for the API Classification If it's a CJ-4 listed product it is the newer 'Low Emission' formula - lower ZDDP and higher Moly concentrations. - Meets or exceeds API CJ-4 requirements, and is designed to provide. I didn't really catch the reasoning but was willing to go along to get along. Shell Rotella® T Triple Protection® oils provide triple action to help control wear, deposits and emissions to continuously adapt to the needs of your engine for protection in on- and off-highway applications It meets or exceeds API CJ-4 requirements, and is designed to provide extr performance. Sep 14, 2008 · Same story with the Rotella. It is designed to provide protection in three critical areas: Acid control helps protect against corrosion from acids formed as fuel burns and the oil ages. The straight weight 30 & 40 weight oils that were blended to be used in 2-cycle Detroit diesels have 1400 PPM ZDDP. ) Though marketed as an engine oil for diesel trucks, Rotella oil has found popularity with. Rotella is more common older motors that use non hydr lifters. *Compared to SAE 15W-40. affordable, good ZDDP content. ZDDP was not removed from many of the oils meant for diesel trucks. Shell Rotella T is a line of heavy duty engine lubrication products produced by Royal Dutch Shell. You could also by conventional, or synthetic, and put a zddp additive to bring up the zddp to adequate levels. If you want to go overkill, just go buy some Valvoline VR1 conventional oil, it is loaded with all the ZDDP that you need. 4,712 Posts. The test results (attached as pdf) show the following:. IIRC Rotella hardly has any ZDDP compared with the original formula that was available 6-7 years ago. Jul 1, 2021. Dear Straight Eight, Thanks for sharing another perspective that reinforces my gut feelings. ZDDP has been gradually reduced over the years so its content today will probably not be the same as, say, in 2014. The catalytic converters in diesel systems are designed to be able to deal with this problem, while the gasoline systems are not. affordable, good ZDDP content. I've been very happy with the Motorcraft 10w-30 diesel engine oil, which, unlike current Rotella oils, still has ~1000 ppm of zinc. Like ZDDP anti-wear chemistry, detergents are a surface active chemistry and compete directly for space on metal surfaces, such as the cam lobe and lifter face. The Valvoline racing oils (VR1 and vv850) come with ZDDP already built in. Keep ZDDP, via ZDDPlus™, in your car's motor oil. Started investigating T5 blend 15w-40 as an alternative to the T and T6 blend I currently use. Rotella Syn is common stuff and only costs about $13 a gallon which is a pretty good deal. ZDDP protects by creating a film on cams and flat lifter contact points in response to the extreme pressure and heat at the contact point. At the time, Shell Rotella T (diesel as the main spec application, gas motors as the secondary application) probably had something like 1400ppm or zddp in it. Rotella motor oil continuously adapts to the needs of your engine for protection in on- and off-highway applications. I went to Wal-Mart the other day to pick some up for an oil change and noticed that the bottle was different and more importantly, the API-SN rating was absent on the back. Remove contact lenses, if present and easy to do. I told him I use Shell Rotella T6 synthetic and he said the old formulation was a good oil but the new formulation that is currently sold is not a good oil and does damage to the turbo. Rotella T 15W-40 meets API CJ-4, and supersedes CI-4 and previous specs. Just about any diesel oil still has ZDDP in it. As things have progressed, a quality rebuild with quality machine work at or near min-spec clearances, OEM-quality gaskets, with quality syn motor oil (probably 10W-30 or 5W-40), a good oil filter, and ANY Chrysler V-8 should easily out-last your wildest suspicions of longevity. In Calgary the Shell Rotella T Diesel 15W40 is CJ-4 ( C jay 4)rated which means it has a lower ZDDP content, as compared to the CI-4. Most of us boost the Rotella products as that is the least cost way to get up to the higher ZDDP levels. Haven't done it in lot's of years with the new stuff out but 50/50 mix of STP and 30wt was the chosen assembly lube for many many years on fresh rebuilds because it contained somewhere in the mid teens (1300. Likely, I will just try Rotella CK4 since its cheap, I have some in the garage, and the additive levels still look good. 5L Turbo Powertrain (EJ Series Factory 2. Great deal on a great oil. The mobil is some dangerous junk and it is not the same oil as it was some time ago. Diesel oils, like Rotella and other 15-40 oils are not recommended for use in gasoline engines, however it seems it doesn't hurt anything. it's still performing at 30w unlike a sae30 that I read may breakdown to a 10w. As for ZDDP additives, other then GM OES, Lucas TP Zinc Plus containing approx 8300ppm ZDDP is our only available product. It is designed for improved fuel economy versus ROTELLA® CK-4 oils while offering equivalent wear protection to CK-4 products. Ask them what the PPM of ZDDP is in their Rotella oils today, compared to five years ago. The big deal with the reduction of ZDDP levels in automotive engines has to do with flat tappet engines, and especially air cooled flat tappet engines like Harley Davidson and Porsches. 7 Lunati15W-50 High Zinc Oil for Flat Tappet Camshaft. Valvoline is very good oil. The ZDDP content of this oil changed as follows (results of oil analyses, attached): 2014: Phosphorus 1157 ppm, Zinc 1310 ppm. Jan 11, 2008 · Right. Likely, I will just try Rotella CK4 since its cheap, I have some in the garage, and the additive levels still look good. The first results column is a Rotella T 15w-40 (dyno), the second column is averages, the third column is results from Honda HP4 10w-40 (semi-synth) and the last results column is from Rotella T6 5w-40 (synthetic). · ·Avoid contact with skin. And while some people swear by Rotella the diesel engine is a completely different animal so the additives are different. *Compared to SAE 15W-40. This is the new oil out that comes from a Natural Gas base oil which is much cleaner than crude oil. After skin contact, wash immediately with soap and water. Ratings differ based on the oil. Discussion Starter · #1 · Dec 9, 2014. Available at truck stops, Wal-Mart, and major auto parts stores, Shell Rotella T oils as of '06 still have plenty of ZDDP additives. Called Shell tech line and they said the T4 is T re-branded? They said it still has all the same ZDDP additive levels as the T but simply re-packaged for some reason. Rotella comes in recommended 30 weight, and also has ZDDP in it to protect the cam shaft surfaces of VW motors. I run the Lucas Hot Rod oil now in my turbo 6 and my tunnel rammed 350 in my deuce. Both run flawless. Although officially marketed for big 18-wheel trucks and construction equipment, Shell's Dan Arcy says, "Other than viscosity differences and possible catalytic converter issues, there is no reason not to run. Avoid breathing of vapors, fumes, or mist. Location: England. The newer API standards reduced the amount of ZDDP (an anti-wear additive) allowed in gasoline engines due to blow-by and the zinc burning up and reducing the efficiency of the catalytic converters. 3 Valvoline VR1 Racing SAE 20W-50 Motor Oil. 7 Lunati15W-50 High Zinc Oil for Flat Tappet Camshaft. Since the 1940s, the formulation of ZDDP has changed several times through the years. The prior "SL" oils were at 1000ppm zddp.