R RTM240SX Spectator Jul 19, 2007 #1 Today I bought arp head studs and a cometic headgasket 90mm/060" for my ka24de. How much can I boost and what compression is it going to drop me to?
Today I bought arp head studs and a cometic headgasket 90mm/060" for my ka24de. How much can I boost and what compression is it going to drop me to?
P PB&J //HELLA-FLUSH\\ Driver Jul 19, 2007 #2 stock block? if so only 8psi would be safe!! nothing eles and cop. will be about 9.2-1
R RTM240SX Spectator Jul 19, 2007 #3 Thanks for the info yeah the bottom end is stock. It will only lower the compression that much? Race Engineering said it would lower to 9.0:1?
Thanks for the info yeah the bottom end is stock. It will only lower the compression that much? Race Engineering said it would lower to 9.0:1?
