Originally Posted by
hanker71
is there much that can be done with a jammin jpx .21?mod wise to smooth it out?
I ran a CEO mod Jpx many many moons ago and it was a beast. It was my 3rd engine after I blew up the rtr and toasted an os .30. It ran strong but back then I had no idea on how to tune them just faster, faster, faster. Good luck taming the bottom.