Fuel in oil duramax lb7
I would have to disagree, fuel in the oil thins your oil and changes every aspect of your oil. You can easily spin a bearing and LB7's are known for loosing cam and crank bearings due to excessive wear from fuel being in the oil bc of the notorious injector issues. Common Issues and Problems We See In The Shop With The LB7 6.6 Duramax Engine 4th May 2015 If you have a 2001-2004 Duramax 6.6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop.