Diesel Oil Comparison Test - Ford Powerstroke Diesel Forum
WEBMar 23, 2009 · Oil 20 has the most additive of any oil we’ve seen. This is very likely an expensive, but great, Diesel engine oil! Since the additive package is so expensive, I’ll also bet this oil is a full synthetic. This is the best Diesel oil in our comparison, but don’t use it in passenger cars or light duty Diesels.
15W40 vs. 5W40 | Cummins Diesel Forum
WEBJan 26, 2020 · dauntless89. Below about 60 degrees Frankenstein, 5W-40 is much thinner than 15W-40, so it'll help starting and provide better lube system flow in the first few minutes of engine operation (which is where most engine wear occurs). around 60 degrees Frankenstein, 5W-40 and 15W-40 have the same viscosity …
oil:10W30 or 15W40 ( help) | Cummins Diesel Forum
WEBFeb 19, 2012 · 2001 Hypertech Cummins. 3161 posts · Joined 2008. #5 · Feb 19, 2012. I always use 15W-40. It is thick as syrup when it's cold but it thins out a lot when it warms up. I would recommend 15W-40. I just chenged my oil yesterday and the oil and filter were about $38 together al WalMart. Delo was the oil brand and Fram was the filter brand.
15w40 Oil Choices | Cummins Diesel Forum
WEBApr 14, 2015 · the back of the oil container. In ambient temperatures below 0°F (-18°C), SAE 5W-40 synthetic engine oil that meets Chrysler Materials Standard MS-10902 and the API CJ-4 engine oil category is required. CAUTION! Failure to use SAE 5W-40 synthetic engine oil in ambient temperatures below 0°F (-18°C) could result in severe engine damage.
Shell Rotella T6 15w40 - Ford Powerstroke Diesel Forum
WEBJul 18, 2019 · However even the rotella t5 15w-40 synthetic blend will run noticeably smoother in winter compared to regular 15w-40. My truck whined and groaned until it warmed up at -25. Check rotellas rebates. You can usually get $7 off a gallon for the t6 5w-40 and 15w-40. Use t5 or t6 and you will hear/feel a difference.
15W40 Oil in a 6.7, Who runs it? - Ford Powerstroke Diesel Forum
WEBApr 1, 2020 · I got my oil changed at a Ford dealership in North Texas yesterday and it turns out they use Synthetic Blend 15W40 for all diesels including the 6.7. 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.
5W-40 vs. 15W-40??? - Ford Powerstroke Diesel Forum
WEBOct 17, 2011 · 12033 posts · Joined 2008. #27 · Nov 16, 2011. 5w40 synthetic is the way to go with the 60 unless you are in a super cold climate and the I suggest the Amsoil 5W30 for the winter months. Those of you who want to run dino 15w40 will end up paying for it in replacing injectors unless you are using a 3500 mile OCI.
Costco Kirkland Signature 15w-40 oil | Cummins Diesel Forum
WEBJul 5, 2020 · Costco stopped selling Delo 400 and replaced it with KS oil with the same specs as the Delo. Price seems good - $26.99 for three gallons. Thanks. 2017 Laramie 3500 SRW SB 4x4 G56. 60 gal RDS bed tank. BD 2-low kit. AMP power steps.
Do any of you guys run a full synthetic 15w-40? - Cummins Diesel …
WEB138 posts · Joined 2016. #4 · Jun 20, 2017. :wink2: I have always run Mobil Delvac 1 5-40 ESP full synthetic with great success in Powerstrokes and now my new Cummins! 15-40 is soon going to be a thing of the past in synthetics. New HD diesels are even recommending 5 …
AmsOIL 15-40 diesel motor oil,consensus? - Ford Powerstroke …
WEBSep 24, 2010 · 5w-30 is a CI-4 oil designed for engines prior 2007. At the time it was originally produced it had the latest additive packages available. It is a proven and tested oil. That said the 5w-40 is a CJ-4 oil and the latest diesel oil from AMSOIL. It has the most advance additives on the market today.