Southern Pa. | Bern - 5/24/2019 11:45
I think you'd be fine with the 18:1 CR pistons if you run with a wastegate turbo. The current Cummins X15 engine uses a 17.2:1 CR for the high HP engines, and 19:1 for the economy series.
I don't know about the X15, but I always thought the ISX didn't seem to have headgasket issues to speak of. Even though I have a lot of respect for the older Cats, I always thought they seemed to have more headgasket issues than Cummins. IDK.
I do like plenty of power too, so that's why I recommend the lower compression pistons. Then you can build some power if you ever want to. Our C-15 6nz has 650 +/- to the ground. 750+ at the flywheel.
Edited by JD 9400 5/25/2019 01:57
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Source for cat motors
