Buyer Guides. Can you explain? 5w40 vs 15w40. We will tell you. you end up with a extra filter. Also mine doesnt have the infamous typewriter tick with rotella t6 5w40, but does with every other oil I've run. If your motorcycle requires a 10W40 engine oil, there is no need to go for 5W40 oil. Thanks in advance!! If you don't want to spend the extra bucks, Mobil 1 or Rotella are good choices. No Off-Roading. Menu. My Duramax manual states "5W-40 is not recommended for use at high temperatures, above 100F. 12X?????????????? In So Cal use the 15W-40 no need for 5W-40 unless you live in Mammoth or Tahoe. I was planning on extending my OCI's to 10k from 6k. 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. Viscosity (High-shear rate) 2.9 at 150g . JavaScript is disabled. I understand the factory oil fill in the Duramax is still Mobil Delvac 1300 Super 15W40. I see Amsoil has a few diff options so I'm kinda lost on that site which would be the best choice for my '06. CST UCAs..Rare Parts Pitman/Idler/Tie rods Allison Deep Trans Pan/Mobil Delvac 1 ATF Transgo Jr @ 75k w/ Mike L updated springs/trans … How long or how many miles should I be running this oil? 2008 Duramax, Crew Cab Long Bed, 4wd, White, with factory bed liner. ", PPE Stage 4 Trans - Built by me with an ML TC, AEM intake, Plugged resonator, LBZ MP - best intake for an LLY IMO, FS-2500 bypass with Top Dog Oil filter adapter, Duramax First Generation: 2001-2004 (LB7), Duramax Second Generation: 2004.5-2005 (LLY), VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. amsoil. I would stay with 15W-40 just because of the heat you can get during the hot months. Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. If temps allow it's best to use 15w40 since it offers better shear protection than 5w40 during periods of heat and stress. Cost is the deciding factor. 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. Thanks in advance!! Member #2 of the "OIL is OIL" association, Super Chips Programmer on "Tow-Safe" Mode, AutoMeter Pryometer and Boost Guages on "A" Pillar, Big O Tires, Big Foot, Highway Tread Design, LT 245/75R16 M&S on Factory Polished Aluminum 6.5" Rims. I said " Because you have a gun, a faster car, a radio, lots of friends with radios, pepper spray and handcuffs". Dually Club #360. LT2 with everything. And which one should you use? Why I use certain oil. Der Motor braucht 5W30 oder 5W40. 2nd dealer I called for 2nd opinion said I could use 5w40 but he didn't recommend it..too thin he said. Can you explain? Habe quasi keinen Ölverbr… I use the Baldwin oil filters. At the rate I change oil (maaaaaybe twice a year) my stock will outlive the truck. AirLift 25415 auto-leveling bags/compressor. 5W30. You could easily do the 15-40 in your climate. For $60. Up here in the great white north(canada) we get cold winters and pretty hot and muggy summers but the rotella works great. And I went to start my 6.2 today -10F today and there was a lot of lifter clatter and rattle. But that was in a place where it was 20*F but I moved to a colder place. T. tnt_motorsports. cheers.......................:ro). Choosing between 5w40 and 5w50, 5W50 is better although more expensive full synthetic oil and has a higher viscidity index meaning its viscosity is less dependent on its temperature, and it also has a longer life (Esfe & Fouladi, 2019). I have 2005 LLY with 61,000 miles on it. Just my opinion though. Does anyone use this oil and how does it compare with others? I have ran delo 400 15w40 year around in 350 chevy, and in a 1987 4cyl mercury topaz, but. Rotella. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! when and why I use certain oils. Delo rotella amsoil Schaeffers. JavaScript is disabled. 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...? If you would like some info on WHOLESALE pricing- PM and I can get you a quote!!!! 5w40 or 15w40? Just driven on pretty days. Messages 230 Location Iowa. MANNOL Extreme Motoröl SAE 5W-40 VW 502 00, VW 505 00, MB 229.5, 20k Liter. 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. And I have always used it in my 6.2s and never had a problem. I run 5W40, hot or cold it will start up better. 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. I'm comfused about wheather to run 15w40 or 5w40. 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? At operating temp the viscosity is the same as the other xxW40 oils. How to; Contact Us; Top 10 Best Oil for Duramax of 2021 – Buyer’s Guide. 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!! 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. I've been in wyoming for almost two years, never had any problems with my oil. 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. 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? Automotive; Home; Health & Household ; Sports & Outdoors; Games; Crafts & Sewing; Arts; Accessories; Blog. Skip to content. 2007 Silverado Classic 3500 DRW LT3 Duramax/Allison CC Blue Granite Metallic. What is the difference between them? But also for recent engines. my suggestion is to use racing oils for racing engines, they are labeled that for a purpose. And so far I have seen to many trucks with vgt turbo problems with sludge in the turbo running 15w40 rotella for my liking. 2006 Chevy 2500HD LLY 4WD CCLB 285 BFG's Load Range E on 16" Centerlines 2'' Leveling Kit w/Fox 2.0 IFP Shocks. Are all mentioned in this video. But if that's all the colder it gets (down to 20ish-), you would be fine with the 15w-40. 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. Mobil Super 96819 15W-40 Delvac 1300 Motor Oil; 5. Line-X, Truxedo cover, Willmore brds, Cloud Rider grill insert. 2006 GMC 3500 Duramax Allison reg cab dually green. I firmly believe you will be happier, as well as your truck!!!!! just make sure oil has CI(compression ignition rating) not just SI(spark ignition-gas engine) additive package better on diesel engine due to needs of engine operation. 2007 Silverado Classic LT3, 3500, DRW, CC, LBZ:saluteusa: Racor sec. CST UCAs..Rare Parts Pitman/Idler/Tie rods, Allison Deep Trans Pan/Mobil Delvac 1 ATF, Mobil Delvac 1300 15w40/M1 or Baldwin Filter, Wolf Spray-in Bedliner/Husky 16k 5th Wheel Hitch. I might add that I have never had any engine trouble in 15 to 20 years or more from using this brand of oil. I'm comfused about wheather to run 15w40 or 5w40. 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. If the oil has the same api ratings, it meets the same standards. Manufacture recomends 15w40 but some of you guys run 5w40. BANKS RamAir intake, MBRP turbo-back, Rotella T6 (5w-40), Quadzilla Stealth-2, DJM 7.5"/9" drop, Rancho RS9000s. What does the owner's manual say? 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. 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. in SoCal...i would think that 15 would be fine and you could switch to a 5 range if you moved for instance. Explaination: In most vehicles using a heavier weight oil won't have any noticeable effect. Mobil 1 96989 0W-40 Synthetic Motor Oil; 3. 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!! It doesn't get to play in the snow or much rain. Go shell rotella synth 5-40 it is better or as good than all in tests and costs less, it is the product used by more large trucking firms than all others combined and that is its cost to quality ratio. Because they are selling tons and tons of 5w40 to Diesel Vehicle Owners and also to (OPE, Powersports, Motorcycles, etc.) Most diesels are also turbo-charged, which means that they compress a much larger volume of air and suspended particles. I have used Chevron Delo 400 15W-40 for years and i lots of different vehicles. 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. Also gonna switch to synthetic. Liqui Moly 2041 Premium 5W-40 Synthetic Motor Oil; 4. Viscosity (Low- shear rate) 9.3 – 12.5mm 2 /s at 100g. For a better experience, please enable JavaScript in your browser before proceeding. Manufacture recomends 15w40 but some of you guys run 5w40. Approved or Recommended for applications where Cummins CES 20086, Mack EOS-4.5, Volvo VDS-4.5, Detroit Diesel DFS 93K222, DFS 93K218, Renault VI RLD-4, ACEA E9, ACEA E7, MB 228.31, Ford WSS-M2C171-F1, Caterpillar ECF-3, or Chrysler MS-10902 are specified In your climate I don't think its much of an issue like it isn't in mine. 3.5 at 150g. 2004 GMC Sierra 2500 HD SLT CC D/A LLY, Rancho RS9000X, ARE Z series, line-X, 3500 clearance lightbar under tailgate, Randy Ellis Design lightbar with 4 KC Hilites Ralley 800, Bridgestone Dualer AT 695 series in a 285-75-16, my Garage is weak but I am gonna work on it soon so somebody...anybody...will give me some love! Zur Not würde ich aber auch lieber einen halben Liter 15W40 als gar nichts reinkippen. ", 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". Comparison Table of 5W30 vs. 5W40. Usually can get twelve for ~100 bones. For a better experience, please enable JavaScript in your browser before proceeding. Inhalt 20 Liter (1,89 € / 1 Liter) 37,89 € * Vergleichen Merken. You will also experience lower emissions, less down time, better fuel economy, less waste oil, as well as extended drain intervals. I don't see any reason to run a 15w40 over a 5w40. ", GMC, Denali 2016 LML, CC, 3500, SRW, standard bed. Ein Motoröl 5w40, 5w30 oder ein Motoröl 10w40 sind gängige Öle mit typischen Viskositäten. The owners manual says it's perfectly acceptable. when and why I use certain oils. 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. I think I'll stay with 15w40. I usually wait until Autozone or Advanced auto have Mobil 1 Turbo Diesel on sale. 2007.5 Chevy Silverado 2500 HD ext cab short bed 4x4. 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. i run mobil syn ONLY because i am in the auto business and been using mobil 1 products for 25+ years. Habe quasi keinen Ölverbr… Durch sein spezielles Additivpaket besitzt es einen niedirigen Stockpunkt und gutes Kaltstartverhalten. And Mobil 1 is a great oil. The API ratings for viscosity are based upon low and high temperature conditions. Motoröl Motorenöl 5w40 10w40 15w40 5w30 10w60 1L 4L 5L 7L 10L 20L . 5W40 vs 10W40 – Differences. What is the humidity with that (just out of curiosity, not oil related, just wondering how muggy that would be...). I know lots of people that use it in a racing environment. 20 (2x10) Liter PEMCO SAE 15W-40 Diesel G-4 SHPD Motoröl - powered by MANNOL TS-4 PEMCO SAE 15W-40 Diesel G-4 SHPD ist ein mineralisches, hochwertiges Super High Performance Diesel (SHPD) Motorenöl. In So. Pep Boys and Autozone near me both have Mobil1 5w40/synthetic. If you want to know about this. 5w40 vs 15w40.Delo. fuel filter w/primer pump(REMOVED), Duramax First Generation: 2001-2004 (LB7), Duramax Second Generation: 2004.5-2005 (LLY), VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. So, the question would be put better; WHY run 15w? 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. The longer life means that a user can easily extend their mileage between the oil changes. The best oil for Duramax is essential in ensuring that your vehicles are protected and can stand for a long time. Which oil should we choose between 5W40 engine oil and 15W40? ARAL High Tronic SAE 5W-40 20 Liter VW 505.01 MB 229.51 dexos2. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. Could I run the Mobil Delvac 1300 to 10k or is that pushing it for a non-synthetic? Nice not having to buy two different oils too. Click Here. ML-15W40-TS1-20K. The short answer : You should use the oil recommended by the manufacturer in most circumstances. K9 beat me to it...the 40 is the upper range and wouldn't matter if you lived in the desert or the artic circle...the 5 or 15 is the colder range. Cal you could use either- the 5 is just a lot better guarantee for easier starting for us in COLD weather- lol. if someone told me i had to switch to something else...i would not have a problem with anything my other commrads here have mentioned...synthetic is my only real requirement...personlally. 6.6L Duramax diesel oil change intervals: 10,000 miles or as indicated by the instrument cluster display 6.6L Duramax oil filter: ACDelco PF2232 6.6L Duramax engine oil pan drain plug: GM 11569943 6.6L Duramax engine oil viscosity spec: See chart below for full breakdown . 5W40. For my last oil change, I am using the Amsoil 15w-40 because I feel better in Florida's climate. I also installed my FS2500 finally as well into the oilling system. I use rotella 5W40 synthetic all year round and no probs. But when the temperature is higher, both motor oils similarly perform their intended functions (using the same viscosity). The main difference between the two oil types is that one is thinner than the other. 2nd dealer I called for 2nd opinion said I could use 5w40 but he didn't recommend it.. $20 a jug for synthetic, again no brainer. Should I go to a thinner oil. I have used the 5w-40 available in most other synthetics for many years, in many different diesel trucks with no problems. However it seems that everyone wants to use 10W30 in the 6.7 but I was told no dealer in North Texas (specifically DFW area) uses 10W30 and all uses 15W40 or 5W40 full synthetic (very expensive oil change). A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. I haven't seen much, if anything on this oil in the Duramax. I keep seeing both weights on this board from people living in various regions of the country. Original Mercedes-Benz Motoröl 20 Liter 5W40 229.5 inkl. ... LMM Duramax/Allison 6-speed, 4" MBRP turbo back dual exhaust, EGR blocker plate, PCV reroute kit, PPE cold air box modification, l eveling kit, Nitto 285x75R16, Rhino bed liner, Stealth 2 programmer, Reese 16k 5th wheel hitch, Amsoil synthetic throughout, … I'd stick with the 15W-40. The manual calls for 15w40. Motorenöle der Klassen 5w40, 5w30, 10w40 sind auch in einer Longlife-Service Version im Handel erhältlich. Properties. Old thread but synthetic Rotella 5w40 all the way. 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. Delo rotella amsoil Schaeffers. 6.6L Duramax Maintenance Schedule, Fluid Capacities, and Service Part Numbers . 20 Liter Motoröl MANNOL 7915 Extreme 5W-40 … 2008 C3500 2WD DRW LMM. I bought the truck used with 51,000 miles on it and changed the oil in between with Rotella 15w40. We only use synthetic oil in our vehicles, so we have thus far used Royal Purple 15w40 and Mobil 1 filters, because Royal Purple seems to bet the only brand I can find that makes a full Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! What are the main differences between their properties? Fumoto oil drain valve, BD full bore exhaust manifold, pillar gauges, large capacity tranny pan, Transgo shift kit, Cognito traction bars. After that, it will then end up being the same as the 10w40. Injector Rebuilding, Millwright, Mobile Mechanic. What type of engine are they best suited for? 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.