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  1. Cummins Oil | RamForum.com | Dodge Ram Forum for Truck …

    Jun 23, 2025 · I have a 2025 RAM 2500 with the 6.7L Cummins engine and I want to make sure I use the right motor oil and I've always used Shell Rotella. I looked in the owner's manual and …

  2. EGR Delete: Pros, Cons, and Best Kits to Use? - ramforum.com

    Jan 25, 2025 · Here is my full delete list of parts & mods made to my 2017 Cummins powered Laramie. 4TH Generation 6.7L Cummins Delete & Tune Mod List Delete & Tune mods • Edge …

  3. Oil Type for 6.7L Cummins T Diesel - RAM FORUM

    May 30, 2019 · The 2019 CGI Cummins doesn't call for 15W40 at all. I assume this is because of the hydraulic roller lifters, instead of the old reliable flat tappets. I plan to run either Rotella T6 …

  4. 2018 RAM 2500 6.7L Cummins P2227 finally resolved

    Apr 22, 2020 · Thought I would share my experience with the P2227 error code and replacing the Barometric Pressure sensor on my 2018 RAM 2500 with the 6.7L Cummins...

  5. Review: 2025 Dodge Ram Power Wagon and Rebel HD

    Apr 8, 2025 · The Cummins turbodiesel has been heavily revised for 2025 with a new turbocharger and intake manifold, glow plugs replacing the old grid heater, a top-loading …

  6. New Cummins oil change question - ramforum.com

    Dec 1, 2020 · Just bought a 2024 2500 with the 6.7l Cummins. It’s my first diesel. It has 4000 miles on it, question is what are your thoughts on what oil to use, Manual says 10w-30 rotella …

  7. Cummins ISL 9L Problems? - iRV2 Forums

    Dec 16, 2018 · I currently have almost a year old ISL and looking for some info. I was wondering if any of you guys have had any problems with the engine. Also, what do you think of buy …

  8. Best Motor Oil For the 3500 High Output Cummins 6.7

    Aug 29, 2020 · Since my purchase of a new 2019 Ram 3500 High Output Cummins 6.7 I have yielded to the Dealership's Service Dept's advise that Shell Rotella 10w30 be used...

  9. The new Cummins oil requirements - RAM FORUM

    Nov 9, 2014 · So I had a Gen4 cummins. Now I have a Gen5 6.7L cummins in my new 2500. So I see that the recommended oil is now either 10w-30, or 5w-40. The thing is I have a lot of the …

  10. Dodge Ram Cummins Diesel Forum

    Dec 4, 2016 · Dodge Ram Cummins Diesel Forum General Discussions Any in general about the Cummins Diesel.