HP question on a Cummins 8.3
So our DP sold and we are shopping for our "upgrade". Engine size is one of the things we want to improve. I see the following in an ad: "THE 8.3 LITER CUMMINS 360 HP ENGINE HAS BEEN RE-RATED TO ...
Forum Discussion
Ivylog wrote:
If you want 425 HP, look for the 8.9L ISL.
Another vote for the ISL. Ours is rated per factory specs at 400HP, but can be chipped easily to 450HP.
