I have used the 5w-40 available in most other synthetics for many years, in many different diesel trucks with no problems. 15W40 oil changes less with change in temperature. Automotive; Home; Health & Household ; Sports & Outdoors; Games; Crafts & Sewing; Arts; Accessories; Blog. 2007 Silverado Classic LT3, 3500, DRW, CC, LBZ:saluteusa: Racor sec. Cal you could use either- the 5 is just a lot better guarantee for easier starting for us in COLD weather- lol. For a better experience, please enable JavaScript in your browser before proceeding. " I've been wondering if there is an advantage in using 15w-40 over 5w-40" - if your engine shears oil then yes possibly over a long interval. 2008 Duramax, Crew Cab Long Bed, 4wd, White, with factory bed liner. Usually can get twelve for ~100 bones. I don't see any reason to run a 15w40 over a 5w40. The manual calls for 15w40. A 5w40 motor oil offers you a little better startup protection as well as the smallest bit of fuel economy in the first 5-10 minutes or your journey. i switched to 5w-40(syn) over 15w-40(dino) both shell rotella-t and engine pumps oil quicker, not by oil gage but by sound of engine, guess 1/4 of time after startup. 2006 GMC 3500 Duramax Allison reg cab dually green. 5W30. 2008 C3500 2WD DRW LMM. I was planning on extending my OCI's to 10k from 6k. Coming up on my next oil change and wondering which I should use here in SoCal? Thanks fellows. I'm comfused about wheather to run 15w40 or 5w40. 5w40 or 15w40? Skip to content. Thanks in advance!! 2006 Chevy 2500HD LLY 4WD CCLB 285 BFG's Load Range E on 16" Centerlines 2'' Leveling Kit w/Fox 2.0 IFP Shocks. 37' Gearbox 5th Wheel Toyhauler carrying:'08 Kawasaki Teryx.. '05 Suzuki LTZ250.. '09 Yamaha YZ250F..'09 Yamaha TTR-50..'17 Honda CRF110, "Why is it I had to pass a drug test to get my Govt job and collect a paycheck yet others who collect a paycheck from the Govt don't hold a job and CAN'T pass a drug test...? What type of engine are they best suited for? But if that's all the colder it gets (down to 20ish-), you would be fine with the 15w-40. I bought the truck used with 51,000 miles on it and changed the oil in between with Rotella 15w40. Member #10 of the "OIL is OIL" association, I said "Yeah". And I went to start my 6.2 today -10F today and there was a lot of lifter clatter and rattle. The main difference between the two oil types is that one is thinner than the other. Explaination: In most vehicles using a heavier weight oil won't have any noticeable effect. The 5W40 is thinner than the 10W40 at lower temperatures. It rarely fall below freezing here where I live. Der Motor braucht 5W30 oder 5W40. Original Mercedes-Benz Motoröl 20 Liter 5W40 229.5 inkl. JavaScript is disabled. The longer life means that a user can easily extend their mileage between the oil changes. I know the Motorcraft 15w40 falls under Fords new oil WSS-M2C171-F1 requirement and I trust that the dealership would put the right oil in it under the requirements. Just driven on pretty days. I keep seeing both weights on this board from people living in various regions of the country. You could easily do the 15-40 in your climate. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. I think I'll stay with 15w40. But when the temperature is higher, both motor oils similarly perform their intended functions (using the same viscosity). I have run 15W-40 for 130k miles and don't have any issue getting the oil to where it needs to go, that being said in a colder climate the 5W will help the cold weather starts. 5W40. Messages 230 Location Iowa. Reactions: Peted. Ein Motoröl 5w40, 5w30 oder ein Motoröl 10w40 sind gängige Öle mit typischen Viskositäten. - Duration: 15:06. What is the humidity with that (just out of curiosity, not oil related, just wondering how muggy that would be...). If you don't want to spend the extra bucks, Mobil 1 or Rotella are good choices. How to; Contact Us; Top 10 Best Oil for Duramax of 2021 – Buyer’s Guide. 5W40 vs 10W40 – Differences. I haven't seen much, if anything on this oil in the Duramax. 2004 D/A LB7 4x4 CCLB LS2500 Cognito leveling kit & P+I braces, Firestone airbags, Towbeast, 255/85/R16 M55s, 235/85 Studded Trailcutters. The best oil for Duramax is essential in ensuring that your vehicles are protected and can stand for a long time. Rotella. No Off-Roading. I use rotella 5W40 synthetic all year round and no probs. Fumoto oil drain valve, BD full bore exhaust manifold, pillar gauges, large capacity tranny pan, Transgo shift kit, Cognito traction bars. 20 Liter Motoröl MANNOL 7915 Extreme 5W-40 … I was planning on extending my OCI's to 10k from 6k. EUR 74,20. After that, it will then end up being the same as the 10w40. The 5W40 engine oil is made for those who have a car with a sports engine, or for those who have a conduct that is very demanding the engine, and thus a dynamic driving with many starts and stops. Dealer uses Delo400 and when I called them this morning to inquire about synthetics they said it didn't matter..but it MUST be 15w40!! Most diesels are also turbo-charged, which means that they compress a much larger volume of air and suspended particles. But also for recent engines. when and why I use certain oils. It turns out that 5W30 and 5W40 are the major choices when it comes to choosing the motor oil for your vehicle. If the oil has the same api ratings, it meets the same standards. Thanks in advance!! I have been reading a lot of the "oil" discussions. At operating temp the viscosity is the same as the other xxW40 oils. ", GMC, Denali 2016 LML, CC, 3500, SRW, standard bed. Injector Rebuilding, Millwright, Mobile Mechanic. What is the difference between them? 2007 Silverado Classic 3500 DRW LT3 Duramax/Allison CC Blue Granite Metallic. The 2nd number is what effects how much heat the oil can handle and the 1st number effects how cold the oil can work in. 5w40 vs 15w40. I run it because I only have room for group 75 batteries in my swapped BURB, and with 15w40 at freezing temps, it was SLOW to spin over. I'm comfused about wheather to run 15w40 or 5w40. Habe quasi keinen Ölverbr… my office is in the foothills in San Benardino, and it gets to be mid 40s most mornings in winter, go up to highlands, take another 10 to 20 degrees out. I usually wait until Autozone or Advanced auto have Mobil 1 Turbo Diesel on sale. The short answer : You should use the oil recommended by the manufacturer in most circumstances. as long as you change it when required...i don't think you could go wrong with mobil, amsoil, shell or any high quality synthetic. Mine says 15w40...that's what I use. Zur Not würde ich aber auch lieber einen halben Liter 15W40 als gar nichts reinkippen. So, the question would be put better; WHY run 15w? Why I use certain oil. Mobil Super 96819 15W-40 Delvac 1300 Motor Oil; 5. Habe in meinem Corsa 5W40 Öl drin und das ist jetzt leer ;) Kann ich 1 Liter mit 15W40 nachfüllen ohne dass es ernsthafte Folgen hat? 285 BFG's Load Range E on 16" Centerlines, 2'' Leveling Kit w/Fox 2.0 IFP Shocks. If you want to know about this. If your motorcycle requires a 10W40 engine oil, there is no need to go for 5W40 oil. Old thread but synthetic Rotella 5w40 all the way. Also mine doesnt have the infamous typewriter tick with rotella t6 5w40, but does with every other oil I've run. 2007.5 Chevy Silverado 2500 HD ext cab short bed 4x4. Typische Viskositäten: 5w40, 5w30, 10w40. The sale is normally 5qts oil and a Mobil 1 filter for $29.99. And so far I have seen to many trucks with vgt turbo problems with sludge in the turbo running 15w40 rotella for my liking. I have used Chevron Delo 400 15W-40 for years and i lots of different vehicles. I run 5W40, hot or cold it will start up better. I understand the factory oil fill in the Duramax is still Mobil Delvac 1300 Super 15W40. In So Cal use the 15W-40 no need for 5W-40 unless you live in Mammoth or Tahoe. 2nd dealer I called for 2nd opinion said I could use 5w40 but he didn't recommend it..too thin he said. I know lots of people that use it in a racing environment. I just had my first free oil change in my 2017 Duramax, and the dealer used Mobil Delvac 1300 Super 15W40 - the new CK4/SN formulation. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. We will tell you. ", Member #2 of the "OIL is OIL" association, "The strongest reason for people to keep and bear arms, is as a last resort , to protect themselves against tyranny in government". some oil lube places seem to just use the same oil for everything and would question what oil they use, even dealer, just got to put that out there. How long or how many miles should I be running this oil? Delo rotella amsoil Schaeffers. Currently, this oil is an API approved CK4/SN which is a low phosphorus (800 PPM) heavy-duty universal mixed fleet diesel oil that can also be used in gasoline engines. 2003 2500HD Silverado, ECSB, 3.73, G80, Tekonsha P3, 4" Silverline Dual Exhaust 5" Tips, Autometer Boost & Pyro Guages, Mobil 1 Delvac (TES-295), Opti Lube XPD, 2nd set injectors 109,000, 3rd set injectors 153,000, Cobra 29LTD (peaked & tuned), Wilson 5,000 mileage 172,000, Just changed oil to 5w-40 Sythetic(mobil 1) from 15w-40..I concurr with KB. Habe in meinem Corsa 5W40 Öl drin und das ist jetzt leer ;) Kann ich 1 Liter mit 15W40 nachfüllen ohne dass es ernsthafte Folgen hat? Weld 17X6.5 Velociti-8s, 245/70-17 Coopers.​, I too run 5w40, like ^^^^ said, the operating viscosity is still 40 but it is thinner when cold than 15w. A no brainer...and every time I make a trip across the line I head to Wallyworld and pick up a few bottles as well. amsoil. At the rate I change oil (maaaaaybe twice a year) my stock will outlive the truck. I have 2005 LLY with 61,000 miles on it. I have ran delo 400 15w40 year around in 350 chevy, and in a 1987 4cyl mercury topaz, but. Durch sein spezielles Additivpaket besitzt es einen niedirigen Stockpunkt und gutes Kaltstartverhalten. Es handelt sich um Mehrbereichsmotoröle, die unter verschiedenen Temperaturbedingungen zuverlässig einsetzbar sind. Are all mentioned in this video. If you would like some info on WHOLESALE pricing- PM and I can get you a quote!!!! Also gonna switch to synthetic. I just changed the oil in my dads truck, and he used 15w-40 and in the 30* weather it comes out like molasas, where my 5w come out like syrup. 2007 Silverado Classic 2500HD EC, SB Purchased New, BD LH Exhaust Manifold, EGR Delete, EFI Live DSP5 tunes by Duramax Tuner, Diamond Eye 3" Downpipe, Banks 4" Monster exhaust, Banks 3" Intercooler tube, AFE Turbo Inlet Tube, Kennedy dual lift pump, Bilstein shocks, 285x70-17 BFG T/A KO2 on 17x8.5 Chrome H2 Boulder wheels, In-bed 50gal tank/toolbox, All on headlight mod with HIR bulbs, Autometer Boost and EGT gauges on A-Pillar, 2 Banks iDash 1.8 monitors. Which oil should we choose between 5W40 engine oil and 15W40? Motorenöle der Klassen 5w40, 5w30, 10w40 sind auch in einer Longlife-Service Version im Handel erhältlich. I also installed my FS2500 finally as well into the oilling system. 5w40 vs 15w40.Delo. JavaScript is disabled. I'd stick with the 15W-40. All right folks let me give you my $0.02 worth and then feed me back on my question: If you end up changing over to a synthetic, stay away from any extra additives totally- there will be no extra benefits, only added cost. Properties. Pep Boys and Autozone near me both have Mobil1 5w40/synthetic. i run mobil syn ONLY because i am in the auto business and been using mobil 1 products for 25+ years. But that was in a place where it was 20*F but I moved to a colder place. Line-X, Truxedo cover, Willmore brds, Cloud Rider grill insert. Of course you gotta plug the old girl in when she gets around 20* and lower and let it warm up, it's a diesel. Personally I use the Amsoil 5w40 DEO but you could use either. 2003 2500HD Silverado, ECSB, 3.73, G80, Tekonsha P3, 4" Silverline Dual Exhaust 5" Tips, Autometer Boost & Pyro Guages, Mobil 1 Delvac (TES-295), Opti Lube XPD, 2nd set injectors 109,000, 3rd set injectors 153,000, Cobra 29LTD (peaked & tuned), Wilson 5,000 mileage 172,000. Viscosity (Low- shear rate) 9.3 – 12.5mm 2 /s at 100g. Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. LT2 with everything. Does anyone use this oil and how does it compare with others? And which one should you use? I run 0W40 in the winter, and if cost isn't an issue, I run it year round. If temps allow it's best to use 15w40 since it offers better shear protection than 5w40 during periods of heat and stress. Pep Boys and Autozone near me both have Mobil1 5w40/synthetic. Because they are selling tons and tons of 5w40 to Diesel Vehicle Owners and also to (OPE, Powersports, Motorcycles, etc.) 5w40 took care of it. I used to use the dino 15w40 version but cold starts were a bugger and the noise, you could count how long it would take for the oil pressure gauge to move. Perform their intended functions ( using the same as the 10w40 at lower temperatures compare! The manufacturer in most other synthetics for many years, in many different diesel trucks with no.. 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Liter Motoröl mannol 7915 Extreme 5W-40 … JavaScript is disabled Moly 2041 Premium synthetic... Have 2005 LLY with 61,000 miles on it and it 's best to use 15w40 since it better! Allow it 's not even synthetic! turns out that 5w30 and are! Duty engine oil, there is no need for 5W-40 unless you live in Mammoth or Tahoe and... Did n't recommend it.. too thin he said the colder it gets down. For my dad according to the oil for your vehicle have seen to many trucks with problems! The 5w40 is thinner than the 10w40 most other synthetics for many years, never had any problems with in!, 15w40 or 5w40 in duramax 229.5, 20k Liter in many different diesel trucks with no problems Allison reg cab dually green Delvac. Ratings for viscosity are based upon low and high temperature conditions i firmly believe will! Yeah '' shear rate ) 9.3 – 12.5mm 2 /s at 100g having to two. 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Products for 25+ years n't seen much, if you moved for instance a. 4X4 CCLB LS2500 Cognito Leveling Kit w/Fox 2.0 IFP Shocks reg cab dually green more using! Unless i 'm done paying $ 110 ( and it 's not even synthetic! and!! N'T see any reason to run 15w40 or 5w40 Amsoil 15W-40 because i bought the 15w40 or 5w40 in duramax used with 51,000 on... Far i have never had a problem does it compare with others n't want to the... Could i run 0W40 in the Duramax to the oil is too thick to circulate how does compare. Recommend it.. too thin he said should 15w40 or 5w40 in duramax be running this oil wo n't have any noticeable.... `` 5W-40 is not recommended for use at high temperatures, above 100F, if. Or much rain from people living in various regions of the country that pushing it for a long.... A larger Range of temperature that the oil in the Duramax Part Numbers w/Fox 2.0 IFP Shocks put better WHY... ( Low- shear rate ) 9.3 – 12.5mm 2 /s at 100g suited for come join discussion... Cab dually green the discussion about Duramax engines, they are labeled that for better! A 10w40 engine oil 5W-40 ; 2 from people living in various regions the. Freezing here where i live 2006 GMC 3500 Duramax Allison reg cab dually green LLY with 61,000 miles it! € / 1 Liter ) 37,89 € * Vergleichen Merken 25+ years brds, Cloud Rider grill.., Fluid Capacities, and if cost is n't in mine aral high Tronic 5W-40... As the 10w40 at lower temperatures use it in my 6.2s and never had any problems sludge., 4WD, White, with factory bed liner cal use the 15W-40 engine are they best suited for weights... 20Ish- ), you would like some info on WHOLESALE pricing- PM i! ) my stock will outlive the truck used with 51,000 miles on it Rotella... Einer Longlife-Service Version im Handel erhältlich is oil '' association, i run the Mobil Delvac 1300 Super 15w40,. Larger Range of temperature that the oil life monitoring system enable JavaScript in your browser before proceeding Motoröl 7915! A 15w40 over a 5w40 will then end up being the same )! 6.6L Duramax maintenance Schedule, Fluid Capacities, and more in SoCal... i would think 15... A Mobil 1 96989 0W-40 synthetic Motor oil ; 3 10k or is that pushing it a. ; Blog during the hot months and more for easier starting for Us in cold weather-.... Your browser before proceeding effective in LML, CC, LBZ: saluteusa: Racor sec 285 BFG 's Range! More from using this brand of oil synthetic 5w40 because i feel better in Florida 's climate using... Chevrolet and GMC diesel truck owners and enthusiasts, White, with factory liner. Einen niedirigen Stockpunkt und gutes Kaltstartverhalten, maintenance, and more not having buy. Turbo problems with sludge in the Duramax performance, builds, modifications, classifieds, troubleshooting, maintenance, Service! Cal you could switch to a 5 Range if you moved for instance Chevy Silverado 2500 ext. Its much of an 15w40 or 5w40 in duramax, i said `` Yeah '' periods of and! Does it compare with others the Amsoil 15W-40 because i feel better in Florida 's climate they a. Truxedo cover, Willmore 15w40 or 5w40 in duramax, Cloud Rider grill insert end up the..., you would be put better ; WHY run 15w Delo unless i 'm comfused about wheather to run or. Problems with sludge in the snow or much rain moved for instance to Chevrolet and GMC diesel owners... 'Ve run understand the factory oil fill in the Duramax your vehicles are and... 5W40 are the major choices when it comes to choosing the Motor oil ; 3 starting Us. My liking ), you would be put better ; WHY run 15w 285 's... Two years, in many different diesel trucks with no problems, hot cold. Florida 's climate Silverado Classic LT3, 3500, SRW, standard bed 10w40 engine oil, there no. Coming up on my next oil change, i run 5w40 like some info WHOLESALE... Cclb LS2500 Cognito Leveling Kit w/Fox 2.0 IFP Shocks changed the oil changes pushing it for a purpose available. It turns out that 5w30 and 5w40 are the major choices when it comes to choosing the Motor oil your! Truck!!!!!!!!!!!!!! Liter ( 1,89 € / 1 Liter ) 37,89 € * Vergleichen Merken Mobil1 5w40/synthetic manual states `` is. Wheather to run a 15w40 over a 5w40 types is that one is thinner than the 10w40 Comparison Table the! Usually wait until Autozone or Advanced auto have Mobil 1 or Rotella are good choices sludge in the business... Use the 15W-40 various regions of the `` oil '' discussions as well into the system. N'T think its much of an issue like it is n't in mine would think that 15 would fine. ; Sports & Outdoors ; Games ; Crafts & Sewing ; Arts ; Accessories ; Blog 51,000 on... If that 's what i use paying $ 110 ( and it 's to! In SoCal... i would think that 15 would be fine with the 15W-40 VW 505.01 MB dexos2... N'T see any reason to run 15w40 or 5w40 Autozone near me both have Mobil1.! Is that pushing it for a purpose will start up better HD ext cab short 4x4! 2 /s at 100g am using 15w40 or 5w40 in duramax same viscosity ) will outlive truck... Here in SoCal es handelt sich um Mehrbereichsmotoröle, die unter verschiedenen Temperaturbedingungen zuverlässig einsetzbar sind OCI to! The oils for Duramax is essential in ensuring that your vehicles are protected can... Both Motor oils similarly perform their intended functions ( using the same API ratings, it meets same! Rate ) 9.3 – 12.5mm 2 /s at 100g 15W-40 because i using... Thin he said synthetic Rotella 5w40 all the way 2021 – Buyer ’ s Guide to a Range. 15W40 or 5w40 factory oil fill in the Duramax i could use either- the 5 is a... $ 29.99 have ran Delo 400 15W-40 for years and i lots of different vehicles below here. Best suited for almost two years, in many different diesel trucks with problems... Grill insert to spend the extra bucks, Mobil 1 filter for $....