best engine oil out there? any suggestions?
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I switched to synthetic Rotella which was 6$ more per gallon then regular Rotella and I was able to start my truck unplugged below freezing on one or 2 tries when my GPR was bad. ON my Mercedes, the thing is almost like a gasser as far as starting below freezing when I switched to synthetic. But I think with a healthy Glow Plug system and batteries, dino would work as well. The difference between Delo and Rotella is just over a buck at Wally World today. but the other day they has a roll back on Delo for 10.50 a gallon. When reaching operating temperatures, I notice that with syn oil, the engine sound is quieter as well but a diesel is meant to be loud IMO.
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