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Im very interested in comments form those with real world diesel experience. So here is the question. How much, if any, does driving style effect the long term reliability of a diesel engine? I ask becuase I tend to drive my vehicle very gently. I don't think I do it out of a concern for long...

I just did change #3 in mt F250. Im at 14,000 miles and went from Rotella T6 (5-40) to Delvac 15-40. The Delvac is obviously much thicker than the Rotella. What I am wondering is if the 15-40 is OK to run this winter. Im in NC and it doesnt get crazy cold here. Now that I have my drain valve...

I recently changed over to Rotella T6 after 8,000 miles on stock Motorcraft and Delo oil in my new 7.3 Powerstroke. I swear that the engine is quieter and seems to rev more quickly. Am I just imagining things?

I did my first oil change on the F250 the other day. What a mess, even though I was prepared for the volume of oil I still spilled a bunch on th edarn driveway. Anyway I think I slightly over filled the engine with oil. The level is just above the hash markes on the dipstick. Is this that big of...

I just purchased a 2013 Ford f250 with the 6.7 Power Stroke deisel. Other than the factory MC oil what other brands should I consider? Only at 1800 miles right now. Would like to run full synthetic as I always have with previous gas engines. Im new to the diesel world and would love to hear...