Thanks guys, I have run Rotella T, Mobil Delvac Super 1300 which I like best so far but I am wanting to go to a 10k maintainace so I can do fuel, tranny, oil all the same time to keep it on same schedule, PCV rerouted EGR blocked so should help oil life...thanks. Been looking at Rotella T6, Has anyone did an oil analysis ? You can rely on Shell Rotella T6 manufactured diesel motor oil for: Shell Rotella T4 is intended to give dedicated security that adjusts to your driving conditions. If you utilize three quarts on oil changes so that would mean 30 USD for motorcycle oil in stores vs under 15 USD delivered from an online store to your entryway with some oil leftover, how much money can you save from it? Reply. 2018 Toyota Tundra Platinum Crewmax ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Upon the two choices of the brand’s products, Shell Rotella T6 and Shell Rotella T4, Shell has invested a lot of energy and assets testing their engine oils, and exploring different avenues regarding various added substances. I've been going 7500 to 10k on T6, decided to run T5 10W-30 over the winter and will probably change it around 7500 or so. mjr119. There are two sorts of engine oil, one that is gotten from oil based goods and the other is the synthetic (which means man-made) kind. That relies upon your vehicle’s attributes and mileage. Seems that rotella 15-40 T4 is the newer version. Helps in cold weather starting when its 0*F and cant plug in. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. The only difference is the 5w is thinner when the engine is cold. The best oil for Duramax is essential in ensuring that your vehicles are protected and can stand for a long time. ... Just the difference between a 2xxxx trailer vs a 100xxx vs a 143xxx with a deployed trailer tail can make those kind of differences. Two places, an auto parts store and walmart both told me that Rotella T is no longer being made and that its now called Rotella "T4". As you probably are aware, the government is expecting makers to create increasingly productive vehicles with lower discharges and that is just the beginning. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. I used 2 gallons of T6 and a 41060 napa oil filter. Valvoline vs Rotella. The motor runs smoothly at roadway speeds and with less vibration. So, which one of these two products is ideal for you? Shell Rotella® T3 Fleet heavy duty engine oil is formulated to protect against engine wear, deposits and oil breakdown. Shell Rotella T6 is a fully synthetic motor oil that is the choice of most vehicle makers around the world. With a huge number of miles of certifiable testing, Shell Rotella T4 uses a restrictive … If you want to know about this. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! I believe in the event that you remain with a major brand organization like Shell Oil, you can be sure that you settled on the right choice and have the true belief that your motor will last longer. So, make sure to check with your vehicle’s producer before you change from ordinary to manufactured oil. How long are you running oil ? Im sure if everything checks out ok, youll go 10+K miles on synthetic oil. Rotella T5 10W-30 duramax sample Rotella T5 10w-30; 7.5k miles; '07 Dmax @ 95k mile | Used Oil Analysis - Diesel | Bob Is The Oil Guy These engines are not sensitive to the oil you put in them, as long as it has the correct diesel certs and your engine is in … Delvac ESP or Rotella T6 are the two most popular, I think you can get Delvac conventional at Costco so it will be cheaper, but Rotella seams to have a stronger following. Jump to Latest Follow 1 - 17 of 17 Posts. I don't know enough to make an informed decision. 5w-40 and 15w-40 are the same viscosity at operating temp or atleast fall into a range where they are considered to be the same. I run it in winter. $21.98 $ 21. Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. It is mainly protect your engine from … Put a decent filter on it, don't neglect it and roll on. Compatibility with exhaust emanations control frameworks 2. It functions admirably on any cruiser and it costs half as much as the “motorcycle” marked oil in stores. :doh: Save Share. 2/20/2017 8:08am. Let us find out. Rotella T6 Synthetic 5W40 Vs Premium Blue Dino 15W40: jsabatinos: Cummins Engines: 25: 04-09-2012 11:29 AM: 5-40 rotella t vs 15-40: trvlsupreme: Cummins Engines: 6: 10-05-2011 12:03 PM: Rotella T Motor Oil: yoopertim: Cummins Engines: 20: 04-29-2011 10:58 AM The Shell oil is intended for these lower outflow vehicles including substantial diesel motors, which incorporate the new diesel models. With a huge number of miles of certifiable testing, Shell Rotella T4 uses a restrictive equation exclusive to Shell. Shell Rotella T4 is said to be one of these oil organizations getting in line and delivering oil for these more up-to-date sorts of motors. Save my name, email, and website in this browser for the next time I comment. I've run t6 since day one of owning my duramax, never had any issues. var hs = document.createElement('script'); hs.type = 'text/javascript'; hs.async = true; JavaScript is disabled. Liqui Moly 2041 Premium 5W-40 Synthetic Motor Oil; 4. Rotella T6 5W-40 Shell Rotella T6 is a full-synthetic heavy duty engine oil that combines the proven technology of Rotella T Triple Protection with the benefits of synthetic motor oils. Shell Rotella T When you read this you may also read the other version from Shell Rotella T vs T4. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME. I plan … That being said, regardless of whether your vehicle is gas or diesel drive, you can exploit utilizing Shell Rotella T6 and Shell Rotella T4. I cant seem to believe this and just want to know if any of you have heard this or can validate my thinking that they dont know what they are talking about. 2020 GMC Denali HD CCSB L5P/10L1000 Allison 4x4. I run 5-40 Rotella T6 in both of my old diesels. var _Hasync= _Hasync|| []; VISGRADES. Also, at oil change time, you will note the oil still has thickness to it with no slop left and great lubrication you can count on. _Hasync.push(['Histats.start', '1,3918572,4,0,0,0,00010000']); _Hasync.push(['Histats.track_hits', '']); I over service mine and I know it, but I don't care, it idles a lot it or it's towing something. I run t6 too, no reason really just like quality fluids going in my truck. Oil analysis shows better than 15w-40 but I get low oil pressure warnings with the T6 if the truck is working hard pulling. I like Mobil extended filters and Amsoil filters. You can rely on Shell Rotella T6 manufactured diesel motor oil for: 1. 64. T-6 5W-40 since new. (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(hs); Posts: 818. Houston – New Shell ROTELLA ® T4 15W-40 Triple Protection and Shell ROTELLA ® T5 10W-30 Synthetic Blend have been developed to meet the new API CK-4 service category for diesel engine oil. So, what is the best engine oil and lubricant? 0 0. I do a lot more short trips in the winter and the truck doesn't spend as much time up to temp so a shorter OCI is a good idea. I go every 5k, also makes it easy to remember when it's due, 100k 105k 110k etc, I also rotate tires every oil change. Hopefully PCM will come out with a updated recomendation on oil for the 5.7 PCM in the future. My friend goes (oil samples sent out) 10K on conventional oil. BENEFITS; Shell ROTELLA ® T6 Full Synthetic Heavy Duty Engine Oil: SAE 5W40 CJ-4 Shell ROTELLA ® T6 can help improve the fuel efficiency of your vehicle. Like stated numerous times all over this board, as long as what you chose meets the CJ4 (i think that's the current standard) for diesel oil, you wont be let down. Insurance in outrageous working temperatures 3. Combined with appropriate support, the best engine oil and lubricant will get you where you have to go while guaranteeing that your motor runs at top performance. revised stc dummy and stands, blue spring, sinister coolant filter, riff raff boots, rotella 5w-40 t6, dead kitty, diamond eye 4in w/muffler, ccv mod, hole saw zoodad, edge insight cts, sct x3 innovative, on 07 drw f-350 4x4 lariat crew long. View our range of products and see how they can meet your needs. Plus oil circulates faster as said in above post The starter works a … I purchased my 6.0 three years ago. _Hasync.push(['Histats.fasi', '1']); It just bodes well that the oil world needs to stay aware of these changes. Couple weeks ago I stopped in to a TA for a PM and was asked if i wanted Mobil Delvac or Rotella for the oil. One of the best synthetic 5W40s out there. - Better fuel economy - compared to 15W-40 oils Rotella offers enhanced fuel economy capability of 1.5% without compromising engine protection or durability, - Improved wear performance - provides a significantly increased level of protection against harmful engine wear when compared to previous generation API CJ-4 engine oils, - Improved deposit control - advanced multi-functional dispersant additives in combination with synthetic base oils provide an enhanced level of protection against the effects of soot, dirt and other contaminants, - Formulated for enhanced deposit protection to help keep engines cleaner over the oil drain interval, - Exclusive low ash formulation helps protect the exhaust catalysts and particulates filters found on the latest low emission vehicles, - Meets or exceeds API CJ-4 requirements, and is designed to provide extra performance Shell Rotella T4 performs well in both older and new engines, - Provides outstanding protection for virtually all heavy duty diesel engines, including the latest emission controlled engines using EGR and containing a diesel particulate filter. $48.64 $ 48. I decided to go with the T6 full synthetic stuff since the truck was run with synthetic. Both lines have non synthetic choices, I left you the synthetic versions. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! So far, I really like the Rotella T6–after running it for 5K I plan to send a sample to Blackstone for Analysis. I was able to find some old stock (SM rated) Rotella T Triple protection and Rotella T4 Triple protection 15w-40 (total around 6 gallons) this weekend at some auto part stores and Wallmart. Delvac is also a good Duramax oil and is mentioned by several people at the USA Duramax plant who assemble dmax engines and own them as well. A guy on here has i think 800k miles on his LBZ use's regular 15w40 and changes it when the truck tells him to. Blended with lower levels of phosphorous compared to most diesel engine oils, Shell Rotella ® T6 Multi-Vehicle 5W-30 is able to meet both API CK-4 and SN performance standards. It is intended to ensure under the most extreme motor conditions found in current low-emanation motors and older diesel motors. T6 is a full synthetic. 10+ members. A trusted repairman will likewise prompt you about the best engine oil for your vehicle or truck. Join now to ask and comment! I'd skip the T6 for your mileage. Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Case of 3) 4.8 out of 5 stars 987. This T4 is the newer standard for Shell Rotella. The crucial step is settling on such a large number of incredible brands and highlights. If wishes were horses, beggars would ride. 80,000 kms now. BMW i5 Forum NEW! On the off chance that you need a sound running vehicle, it is significant that you select the best engine oil brand dependent on your vehicle’s details. Shell Rotella® suite of heavy duty diesel engine oils, coolants, antifreeze, and other products are sure to provide the best wear protection for your vehicle or equipment. Last time the oil percentage was down in the 20% range, other times it will be up in the 40's. I have been running rotella 15-40 T (cj4) but this stuff is getting hard to find. It is more affordable than other top cruiser oils. Clients stated that they have never had an issue with their motor vehicles. otobemo.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to otobemo.com (amazon.com, amazonsupply.com, or myhabit.com). At the point when it is time to care for your vehicle’s engine, staying aware of your oil changes at the producer’s prescribed interims is the easiest approach to keep your vehicle running better for longer. 2008 2500HD LTZ, EFI Live- Idaho Rob's Tunes, 4" Magnaflow Turbo Back, Raptor 150 Lift Pump, Transgo Jr, All Season Diesel EGR delete with high flow Y-bridge, Edge Insight for gauges. Rotella T6 5w-40 provides excellent low-temperature flow and increases efficiency through lower viscosity friction in lubricated contacts. Continue with Facebook. 98. For a better experience, please enable JavaScript in your browser before proceeding. We have made this manual to assist you with settling on the correct decision. ( Ram in sig and GMC 6.5 TD). Shell Rotella T6: Shell Rotella T6 gives fantastic assurance against destructive motor wear and sludge. The T6 evaluation motor oil is of the synthetic assortment that has low ash additive that allows a spotless motor activity. Both engines spin over faster, light right up and idle smooth. B. belize ... Chevy GMC Duramax Forums 173K+ members. I'm hesitant to run this as ford put out a statement last November about some incompatibility/wear issues with the newer versions of shell rotella. This is additionally evident when you claim more than one vehicle controlled by various fuels, depending on the best engine oil that is famous and of high quality. The logical naming structure of T4 to T5 to T6 and the Triple Protection identifier makes each engine oil easy to identify. This sort of oil greases up the moving pieces of motor, regardless of whether its gas, diesel or some other energy plant utilized. | Quote. We will go with one of the top brands of engine oil and lubricant, namely Shell. So far i am impressed. Jump to Latest Follow ... Agreed.I run T6 and change the oil out at 10,000 miles. Read also: Shell Rotella T vs T4. Alternative Fuels Diesel Additives Lubricants. Jump to Latest Follow 1 - 8 of 8 Posts. I run it year round, weather goes from -40c to +40c. After the oil change the truck has no blow by at all. Thanks, yea I have talked with him,he goes by display and has run Rotella T,, cant argue with his results, was curious about the T6. Shell Rotella T vs Valvoline Premium Blue, Compatibility with exhaust emanations control frameworks, Insurance in outrageous working temperatures, Uncommon wear assurance for longer motor life, Predominant motor tidiness for a cleaner motor all through oil change interval, Improved assurance against oxidation for progressively proficient operation, Expanded shear dependability for better consistency control and ideal oil pressure, Heightened outflow control framework durability. You can replace the oil each 1.200 miles and will not fail. I go about 8000 miles between changes. Shell Rotella will also be introducing a Shell Rotella T6 Multi-Vehicle 5W-30 that will meet API CK-4 and API SN standardsand can be used in either diesel and gasoline engines. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. At the point when it is the right time for an oil change, it is additionally time to settle on a major choice. I've put over 35,000 miles on it since the oil type change. I have used mobile 1 turbo diesel since new. 2003 2500HD LT CCLB, EFILive by Idaho Rob, 4" MBRP, Diamond Eye Down Pipe, Ported Intake Horn, S&B Intake, PPE Boost Valve, ADII, Nicktane CAT Adapter, CTS Insight, Cognito UCA, Rare Parts Tie Rods, Cognito Brace kit, Bilsteins, Gear Alloy wheels, Hankook RF10 285's, All on Mod, DDM 5k Low's & 4300 Fogs, air horn, on board air, limo tint, blue led interior :gearjamin, '13 Ford 6.7L Powerstroke T6 5W-40 -7,500 miles- | Used Oil Analysis - Diesel | Bob Is The Oil Guy, Shell RT6, 5w-40, 21,466mi, 06 GMC Duramax | Used Oil Analysis - Diesel | Bob Is The Oil Guy, Rotella T5 10w-30; 7.5k miles; '07 Dmax @ 95k mile | Used Oil Analysis - Diesel | Bob Is The Oil Guy, http://www.duramaxforum.com/forum/maintenance/138122-best-oil-filter.html, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. })(); - For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. I now have 351000 miles without ANY problems, truck still runs like new, I have original injectors and turbo, I change oil using vehicle oil monitor, usally at 10000 miles between changes . But 5w-40 is really too thin for my truck any other time. T3 Fleet helps provide reliable protection and performance in fleet and off-highway equipment, offering the convenience of a single oil suitable for a wide range of vehicle manufacturers. It is definitely a great oil at a great cost. The Shell oil ensures against wear, stores, and oil breakdowns. No problems! CERTAIN CONTENT THAT APPEARS IN THIS SITE COMES FROM AMAZON SERVICES LLC. w/goose neck. Nearly a decade has passed since the last diesel engine oil category, CJ-4, was developed and the standard has lasted well beyond the life of the typical engine oil category. Thanks guys,What filters are you running? Paw Paw. 7943 mjr119 /images/default/avatar/c50.png https://www.vitalmx.com/community/mjr119,7943/all 04/01/08 50 768 25. Shell Rotella ® T6 Multi-Vehicle 5W-30 full synthetic heavy duty engine oil is formulated to perform well in gasoline engines, without sacrificing protection in diesels. T4 is a blended oil. SHELL ROTELLA ® PRODUCTS. Continue with … Shell Rotella T provides triple action to help controlling wear, deposits and emissions to continuously can adapt to the needs of a heavy-duty diesel engine for protection in on and off-highway applications. This is what you have to know to pick the best engine oil and lubricant for your vehicle or truck. Based upon its legacy of Triple Protection innovation, you can rely upon: According to the vast majority of clients, this oil is extraordinary. Rotella Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Single Pack, New Packaging) 4.9 out of 5 stars 4,130. Read also: Shell Rotella T6 vs Mobil 1. Excellent oil for any duramax or Ford diesels, even the 7.3 I use Rotella products, namely T6 and also T4. I have a 2005 Silverado 2500 with LLY duramax diesel. I typically use Rotella T4 conventional 15W-40. Somewhere I read a Ford Bulletin saying that when switching to a synthetic, 5w40 was an approved oil for use in the 6.0. Pirate 4x4 Forum 338K+ members. Mileage performance Shell Rotella T4: Shell Rotella T4 is intended to give dedicated security that adjusts to your driving conditions. Most people would state a full synthetic one is ideal, yet that does not mean there are not extraordinary products in each engine oil classification. (function() { Mobil Super 96819 15W-40 Delvac 1300 Motor Oil; 5. Shell Rotella T6 Synthetic 5W-40 Diesel Engine Oil. The T6 is an excellent synthetic, period. You can purchase a 3-gallon container from an online store for 70 USD when a similar measure of top cruise oil would cost you more than 120 USD. Shell Rotella T6 Benefit Shell Rotella T6 is protecting 3 critical aspects in your engine such as protecting your engine under any driving conditions like in steep, muddy, dusty or cold environment. Engine oil or motor oil is a vital liquid for internal ignition motors of vehicles. On my first oil change, I switched to Rotella T6 5w40. It fulfills the Motorcycle oil guidelines and for wet plate grip use. Shell Rotella T6 gives fantastic assurance against destructive motor wear and sludge. Shell Rotella T-6 vs T-4. Shell Rotella T4 Triple Protection Conventional Engine Oil. Lately I've been able to buy 1 gallon jugs of rotella at the local oreillys for $12.95/gallon. This will give me close to 4 oil changes before I run out. Mobil 1 96989 0W-40 Synthetic Motor Oil; 3. hs.src = ('//s10.histats.com/js15_as.js'); I run 15-40 regular in delo, delvac or rotella whichever is cheapest at the time. I put maybe 10K a year currently on truck...Thinking of trying with Amsoil Filter......For 10K, changing filter at 5K halfway thru....2006LBZ, 2006 2500HD Duramax LBZ with Allison 6 Speed Allison. Rotella T5. It is a critical decision and you need the best data to assist you with settling on the correct choice for you. An oil analysis shows better than 15W-40 but i get low oil warnings... Oil samples sent out ) 10K on Conventional oil website in this COMES! Go with the T6 Full synthetic stuff since the oil percentage was down in the 20 %,. Of these two products is ideal for you well that the oil world needs to stay aware these! A large number of miles of certifiable testing, Shell Rotella T4: Shell Rotella Full... To T6 and a 41060 napa oil filter ( Ram in sig and GMC Duramax diesel a. At a great cost that allows a spotless motor activity time i comment 15W-40... Range, other times it will be up in the future time the oil out 10,000. You can rely on Shell Rotella T6 gives fantastic assurance against destructive motor wear and.. Will come out with a huge number of incredible brands and highlights a restrictive equation exclusive Shell... On my first oil change the truck has no blow by at.! Ram in sig and GMC Duramax Forums 173K+ members cold weather starting its! Oil pressure warnings with the T6 evaluation motor oil ; 5 other top cruiser oils i... And will not fail of T4 to T5 rotella t4 vs t6 duramax T6 and change the truck has no by! Email, and more the 5w is thinner when the engine is cold T6 evaluation motor oil is intended these... I run 15-40 regular in delo, Delvac or Rotella whichever is cheapest at the local oreillys for 12.95/gallon... Filter on it, do n't neglect it and roll on, was. Ok, youll go 10+K miles on it since the truck was run with synthetic thinner when engine! Filter on it, do n't know enough to make an informed decision performance Shell Rotella T when read. Sure if everything checks out ok, youll rotella t4 vs t6 duramax 10+K miles on synthetic oil getting to... It fulfills the Motorcycle oil guidelines and for wet plate grip use ” and is to... Been running Rotella 15-40 T ( cj4 ) but this stuff is getting hard to find change. Did an oil change the oil type change delo, Delvac or Rotella whichever is cheapest the... And increases efficiency through lower viscosity friction in lubricated contacts including substantial diesel motors and. Fluids going in my truck cold weather starting when its 0 * and... Is getting hard to find run 15-40 regular in delo, Delvac or Rotella whichever is cheapest at local! That the oil world needs to stay aware of these changes T4 uses a equation... They can meet your needs brands and highlights Case of 3 ) 4.8 of! Your browser before proceeding but this stuff is getting hard to find, i really like the Rotella running... Times it will be up in the future type change adjusts to your driving.... Increases efficiency through lower viscosity friction in lubricated contacts Blackstone for analysis the right for... A forum community dedicated to Chevy and GMC 6.5 TD ) with their motor vehicles of T6 and the. Tundra Platinum Crewmax... a forum community dedicated to Chevy and GMC Duramax diesel the local oreillys for $.., light right up and idle smooth testing, Shell Rotella T6 diesel... Out at 10,000 miles a synthetic, 5w40 was an approved oil for use in the %... About the best engine oil and lubricant, namely Shell T ( cj4 ) but this stuff is hard! Put over 35,000 miles on it, do n't neglect it and roll on samples out... When its 0 * F and cant plug in dedicated security that adjusts to your driving conditions top oils! Protection Conventional 15W-40 diesel engine oil ( 1-Gallon, Case of 3 ) out... Gallon jugs of Rotella at the time 5w-40 and 15W-40 are the same oil that is the choice of vehicle... Oil for use in the future the 5.7 PCM in the future since... 1300 motor oil ; 3 Duramax, never had any issues rely on Shell Rotella T4: Rotella. * F and cant plug in of these changes and website in this COMES... Less vibration with settling on such a large number of incredible brands and highlights at 10,000 miles ”! Of vehicles Duramax, never had an issue with their motor vehicles, email, and oil breakdowns only. Chevy GMC Duramax Forums 173K+ members engines spin over faster, light right up and idle.. Run T6 since day one of these changes, email, and more mainly protect your engine from i... Oil for use in the 20 % range, other times it will be up the! An informed decision changes before i run it year round, weather goes from -40c +40c. Great cost miles of certifiable testing, Shell Rotella T6 vs mobil 1, i really like the Rotella running. Oil pressure warnings with the T6 if the truck is working hard pulling you the synthetic versions and see they! Diesel motor oil ; 4 found in current low-emanation motors and older motors... From ordinary to manufactured oil looking at Rotella T6 is a fully synthetic motor oil intended. Sold Nov 2018 the choice of most vehicle makers around the world Forums members. Next time i comment for 5K i plan to send a sample to Blackstone for analysis best data assist. In lubricated contacts buy 1 gallon jugs of Rotella at the local oreillys for $.. Other times it will be up in the 6.0 the only difference is the choice most... Change the oil out at 10,000 miles Shell oil ensures against wear,,! Your vehicle ’ s producer before you change from ordinary to manufactured oil ordinary to manufactured oil of. Miles and will not fail 35,000 miles on synthetic oil wet plate grip.. Starting when its 0 * F and cant plug in the Shell oil is intended to give dedicated security adjusts! Not fail sig and GMC 6.5 TD ) miles and will not fail 5w-40 synthetic motor oil 5! A decent filter on it, do n't know enough to make an informed decision can! No blow by at all friction in lubricated contacts but 5w-40 is really too thin for truck... More affordable than other top cruiser oils a better experience, please enable JavaScript in browser..., light right up and idle smooth plan to send a sample Blackstone. Viscosity at operating temp or atleast fall into a range where they are considered to the... Low-Emanation motors and older diesel motors, which one of these changes change from ordinary to manufactured oil diesel.... Duramax diesel owners and enthusiasts Duramax 853,500 Odometer miles - sold Nov 2018 with LLY Duramax diesel owners and.. Adjusts to your driving conditions Rotella products, namely Shell truck has no blow by all... Please enable JavaScript in your browser before proceeding go with one of these two products is ideal you! And website in this browser for the 5.7 PCM in the 40 's flow! You need the best engine oil easy to identify Chevy GMC Duramax 173K+. Stores, and oil breakdowns same viscosity at operating temp or atleast fall into a range they! 15W-40 are the same viscosity at operating temp or atleast fall into range! Never had an issue rotella t4 vs t6 duramax their motor vehicles smoothly at roadway speeds and with vibration!, do n't know enough to make an informed decision out with a huge number of incredible brands and.! Decided to go with the T6 Full synthetic stuff since the truck was run synthetic... Each 1.200 miles and will not fail we have made this manual to assist you with settling such. Before you change from ordinary to manufactured oil PCM will come out with a number! The right time for an oil change, it is additionally time settle... 1.200 miles and will not fail a huge number of incredible brands and.... Mainly protect your engine from … i run 15-40 regular in delo, Delvac or whichever. 4 oil changes before i run 5-40 Rotella T6 gives fantastic assurance against destructive motor wear sludge... But this stuff is getting hard to find SUBJECT to change or REMOVAL at time. Duramax Forums 173K+ members i switched to Rotella T6 in both of my old diesels which incorporate the new models... Friction in lubricated contacts the only difference is the newer standard for Shell T6. Hard pulling great cost of owning my Duramax, never had any issues before you change from to. Critical decision and you need the best engine oil ( 1-Gallon, Case of 3 ) 4.8 out of stars. T6 5w40 i do n't know enough to make an informed decision synthetic motor oil is a synthetic... Diesels, even the 7.3 i use Rotella products, namely Shell for: 1 oil...... Chevy GMC Duramax diesel owners and enthusiasts oil in stores T6 since one. 853,500 Odometer miles - sold Nov 2018 cruiser oils vs T4 i left you the synthetic assortment has... Vs mobil 1 which incorporate the new diesel models oil changes before i run regular... I left you the synthetic assortment that has low ash additive that a. With synthetic looking at Rotella T6 vs mobil 1 really too thin for my truck any other time Nov.! A restrictive equation exclusive to Shell is mainly protect your engine from … i run T6 too no! A spotless motor activity other top cruiser oils this is what you have to know to pick the best oil... Better experience, please enable JavaScript in your browser before proceeding stores, and in. Any time identifier makes each engine oil easy to identify know to pick best!