Originally Posted by fred763
you made 460 whp on a ball bearing 20g, that suprises me. i didnt think i could even get that out of a dom 1.5. how much boost you running then to make that?
20G XTR, 1.5XTR, 2.5XTR, etc are all based on 30R cartridges with smaller wheels on them. My 20G XTR is running at 27psi peak and about 25psi at redline. A Dom 1.5XTR will perform very similarly, with a tad more top end.