Originally Posted by Squirrelnut
I've been changing the oil in my truck from 5K to 7K miles. What are you guys doing? I stopped changing it every 3K miles years ago.


The book sez 7500 for my truck, unless it's being used in 'severe duty' (or similar) which drops the mileage to 5000 between changes. Using Mobil-1 diesel synthetic.. I'm sure I could go longer, but oil's TONS cheaper than a new engine..


Ex- USN (SS) '66-'69
Pro-Constitution.
LET'S GO BRANDON!!!