2004 Dodge diesel
Hi All: I have about 103,000 miles on my 5.9 cummins engine. I did install a new lift pump in the fuel tank. The old one failed and was located on the block. Aside from that I have not done any work ...
Forum Discussion
Cummins12V98 wrote:ScottG wrote:
Ya, I hate to disagree with my 12 valve brother but 2 stroke oil will just turn to carbon on the tip of CR injectors.
I assumed it would be ok. Never mind!
I used to run Stanadyne but after 07 with all the emissions the formulas have changed.
I will stick to 2cycle in the 12V that will eat anything.
As to questioning from another about 30K trans changes. I overkill with the best I can find and usually change fluids more often than I have to. It has served me well!
The problem with using a 2 stroke oil (even if it's a low ash type) is that there's still some anti wear metals in the oil. These metals can cause wear on the injector itself especially the precision injectors on a common rail fuel system.
