5W40. 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). Mobil 1 96989 0W-40 Synthetic Motor Oil; 3. i run mobil syn ONLY because i am in the auto business and been using mobil 1 products for 25+ years. The sale is normally 5qts oil and a Mobil 1 filter for $29.99. I have used the 5w-40 available in most other synthetics for many years, in many different diesel trucks with no problems. 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. ... 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 have ran delo 400 15w40 year around in 350 chevy, and in a 1987 4cyl mercury topaz, but. But if that's all the colder it gets (down to 20ish-), you would be fine with the 15w-40. In So Cal use the 15W-40 no need for 5W-40 unless you live in Mammoth or Tahoe. 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. 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. 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 … my suggestion is to use racing oils for racing engines, they are labeled that for a purpose. The short answer : You should use the oil recommended by the manufacturer in most circumstances. 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? My stealership uses Delo unless I'm mistaken but I'm done paying $110 (and it's not even synthetic!) Der Motor braucht 5W30 oder 5W40. " 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. 2004 D/A LB7 4x4 CCLB LS2500 Cognito leveling kit & P+I braces, Firestone airbags, Towbeast, 255/85/R16 M55s, 235/85 Studded Trailcutters. Manufacture recomends 15w40 but some of you guys run 5w40. The … We will tell you. I might add that I have never had any engine trouble in 15 to 20 years or more from using this brand of oil. The owners manual says it's perfectly acceptable. What does the owner's manual say? Cost is the deciding factor. 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. The main difference between the two oil types is that one is thinner than the other. T. tnt_motorsports. Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. EUR 99,90. JavaScript is disabled. How to; Contact Us; Top 10 Best Oil for Duramax of 2021 – Buyer’s Guide. 2006 GMC 3500 Duramax Allison reg cab dually green. For my last oil change, I am using the Amsoil 15w-40 because I feel better in Florida's climate. Viscosity (High-shear rate) 2.9 at 150g . I'm comfused about wheather to run 15w40 or 5w40. Original Mercedes-Benz Motoröl 20 Liter 5W40 229.5 inkl. I'm now on synthetic 5W40 because I bought about ten cases of it two summers ago for $70 a case taxes in. cheers.......................:ro). For a better experience, please enable JavaScript in your browser before proceeding. 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. I'd stick with the 15W-40. Why I use certain oil. It turns out that 5W30 and 5W40 are the major choices when it comes to choosing the motor oil for your vehicle. I know lots of people that use it in a racing environment. amsoil. Manufacture recomends 15w40 but some of you guys run 5w40. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Member #10 of the "OIL is OIL" association, I said "Yeah". Rotella. AirLift 25415 auto-leveling bags/compressor. EUR 57,99. Mobil Super 96819 15W-40 Delvac 1300 Motor Oil; 5. Dually Club #360. And which one should you use? I run 5W40, hot or cold it will start up better. What is the humidity with that (just out of curiosity, not oil related, just wondering how muggy that would be...). It rarely fall below freezing here where I live. I have been reading a lot of the "oil" discussions. I use the Baldwin oil filters. 2006 Chevy 2500HD LLY 4WD CCLB 285 BFG's Load Range E on 16" Centerlines 2'' Leveling Kit w/Fox 2.0 IFP Shocks. ", 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". 5w40 vs 15w40. Thanks fellows. 2007 Silverado Classic LT3, 3500, DRW, CC, LBZ:saluteusa: Racor sec. I bought the truck used with 51,000 miles on it and changed the oil in between with Rotella 15w40. Pep Boys and Autozone near me both have Mobil1 5w40/synthetic. 3.5 at 150g. Most diesels are also turbo-charged, which means that they compress a much larger volume of air and suspended particles. I was planning on extending my OCI's to 10k from 6k. 20 Liter Motoröl MANNOL 7915 Extreme 5W-40 … 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!! 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. Nice not having to buy two different oils too. And Mobil 1 is a great oil. 5w40 or 15w40? At operating temp the viscosity is the same as the other xxW40 oils. 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. For $60. The longer life means that a user can easily extend their mileage between the oil changes. What type of engine are they best suited for? I'm comfused about wheather to run 15w40 or 5w40. 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. when and why I use certain oils. ", GMC, Denali 2016 LML, CC, 3500, SRW, standard bed. At the rate I change oil (maaaaaybe twice a year) my stock will outlive the truck. I think I'll stay with 15w40. 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. ML-15W40-TS1-20K. Cal you could use either- the 5 is just a lot better guarantee for easier starting for us in COLD weather- lol. 5w40 took care of it. Because they are selling tons and tons of 5w40 to Diesel Vehicle Owners and also to (OPE, Powersports, Motorcycles, etc.) No Off-Roading. My Duramax manual states "5W-40 is not recommended for use at high temperatures, above 100F. Properties. 2007.5 Chevy Silverado 2500 HD ext cab short bed 4x4. So, the question would be put better; WHY run 15w? 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...? I use rotella 5W40 synthetic all year round and no probs. 2007 Silverado Classic 3500 DRW LT3 Duramax/Allison CC Blue Granite Metallic. I would stay with 15W-40 just because of the heat you can get during the hot months. 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! Just my opinion though. 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. LT2 with everything. Inhalt 20 Liter (1,89 € / 1 Liter) 37,89 € * Vergleichen Merken. 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. Which oil should we choose between 5W40 engine oil and 15W40? 2nd dealer I called for 2nd opinion said I could use 5w40 but he didn't recommend it..too thin he said. In So. Skip to content. But when the temperature is higher, both motor oils similarly perform their intended functions (using the same viscosity). 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. What is the difference between them? Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! I also installed my FS2500 finally as well into the oilling system. Explaination: In most vehicles using a heavier weight oil won't have any noticeable effect. If the oil has the same api ratings, it meets the same standards. BANKS RamAir intake, MBRP turbo-back, Rotella T6 (5w-40), Quadzilla Stealth-2, DJM 7.5"/9" drop, Rancho RS9000s. Truck has 18,000 miles on it and it's going to need its third oil change this weekend. ", 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. Also gonna switch to synthetic. Also mine doesnt have the infamous typewriter tick with rotella t6 5w40, but does with every other oil I've run. Thanks again for the input!! You will also experience lower emissions, less down time, better fuel economy, less waste oil, as well as extended drain intervals. EUR 67,99. 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. But also for recent engines. Delo rotella amsoil Schaeffers. You could easily do the 15-40 in your climate. I've never put anything in besides rotella 15w40. Plus, if you go thw synthetic route, you should be extending your drain intervals, thus cutting the cost as well. 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. Comparison Table of 5W30 vs. 5W40. 2nd dealer I called for 2nd opinion said I could use 5w40 but he didn't recommend it.. I haven't seen much, if anything on this oil in the Duramax. ARAL High Tronic SAE 5W-40 20 Liter VW 505.01 MB 229.51 dexos2. 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. 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!! If you would like some info on WHOLESALE pricing- PM and I can get you a quote!!!! Click Here. In your climate I don't think its much of an issue like it isn't in mine. Can you explain? It doesn't get to play in the snow or much rain. 5W40 vs 10W40 – Differences. I said " Because you have a gun, a faster car, a radio, lots of friends with radios, pepper spray and handcuffs". Mine says 15w40...that's what I use. when and why I use certain oils. And I have always used it in my 6.2s and never had a problem. Schaeffer's. 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. 5w40 vs 15w40.Delo. Old thread but synthetic Rotella 5w40 all the way. Viscosity (Low- shear rate) 9.3 – 12.5mm 2 /s at 100g. 5W30. 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. But that was in a place where it was 20*F but I moved to a colder place. I don't see any reason to run a 15w40 over a 5w40. Delo rotella amsoil Schaeffers. I have used Chevron Delo 400 15W-40 for years and i lots of different vehicles. Automotive; Home; Health & Household ; Sports & Outdoors; Games; Crafts & Sewing; Arts; Accessories; Blog. Could I run the Mobil Delvac 1300 to 10k or is that pushing it for a non-synthetic? Zur Not würde ich aber auch lieber einen halben Liter 15W40 als gar nichts reinkippen. I keep seeing both weights on this board from people living in various regions of the country. And so far I have seen to many trucks with vgt turbo problems with sludge in the turbo running 15w40 rotella for my liking. 285 BFG's Load Range E on 16" Centerlines, 2'' Leveling Kit w/Fox 2.0 IFP Shocks. Are all mentioned in this video. I run 0W40 in the winter, and if cost isn't an issue, I run it year round. Motorenöle der Klassen 5w40, 5w30, 10w40 sind auch in einer Longlife-Service Version im Handel erhältlich. What are the main differences between their properties? 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. JavaScript is disabled. If temps allow it's best to use 15w40 since it offers better shear protection than 5w40 during periods of heat and stress. The 5W40 is thinner than the 10W40 at lower temperatures. Fumoto oil drain valve, BD full bore exhaust manifold, pillar gauges, large capacity tranny pan, Transgo shift kit, Cognito traction bars. Should I go to a thinner oil. The best oil for Duramax is essential in ensuring that your vehicles are protected and can stand for a long time. 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. Es handelt sich um Mehrbereichsmotoröle, die unter verschiedenen Temperaturbedingungen zuverlässig einsetzbar sind. Injector Rebuilding, Millwright, Mobile Mechanic. Can you explain? 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. 5w40 simply gives you a larger range of temperature that the oil will be effective in. Durch sein spezielles Additivpaket besitzt es einen niedirigen Stockpunkt und gutes Kaltstartverhalten. Does anyone use this oil and how does it compare with others? After that, it will then end up being the same as the 10w40. Menu. 15W40 oil changes less with change in temperature. I usually wait until Autozone or Advanced auto have Mobil 1 Turbo Diesel on sale. 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?