Diesel engines.
This is NOT another thread about gas vs. diesel. This is a new diesel owner with some questions. 1st, just purchased 2013 Ram Crew Cab long bed with 6.7 Cummins diesel engine. My history, I hav...
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I used Valvoline Premium Blue 15w-40 in my four Cummins Rams. It's Cummins' recipe contracted and brewed by Valvoline. Used to be contracted and brewed by Castrol back when TDR didn't exist and we had a Cummins owners' email list. I still have the first issue of TDR. My four Cummins engines stayed clean inside with Valvoline PB. There is none better for the Cummins with it's sliding cam followers. Fleetguard filters for oil, fuel and air as well.
Do not fall for gimmicks and snake oils. The cool sticker for your window isn't worth it. Your owner's manual is gospel. Follow it to the letter.
Valvoline Premium Blue
Do not fall for gimmicks and snake oils. The cool sticker for your window isn't worth it. Your owner's manual is gospel. Follow it to the letter.
Valvoline Premium Blue
