Originally Posted by
jayeg
im getting my motor rebuilt now by online performance how can i stop the sleeve cracking on the new motor should i get the computer retuned and upgradred the raditor it only has a standard one at the moment and someone was telling me if you punch it in say 4th gear and you only reving at 2000 it can cause the sleeve to cracked because it does something with the igition timing and im wondering what sort of power my setup could make it has skunk2 prosries manifold, 70mm throttle body, 1000cc id injectors with cai and a stock b18c2 head with stock bottom end and s300 with a 2/2.5 inch exhaust with good headers