Diesel Oil.....
2006 Cummins 5.9 - 150k miles. I know nothing about this 5.9 that I just bought, except it really runs good. I've always used Delo 400 in diesel engines, what do you prefer and why? Thanks
Forum Discussion
I run the AMZ/OIL 15-40 Diesel Marine in everything, 99 Tahoe-DR Mower- Honda 2000-pressure washer-2001 RAM Cummins 2500.
2015 I run their LE Signature Series 15-40.
2015 I run their LE Signature Series 15-40.
