ported ls1 head on 402
i have a set of 98/908 casting that made 398 rwhp with A4 and will be atop a 418 or 402 and im wondering how much i will be giving up in power
also using ls6 intake
lets say for example compared to a afr 225/fast combo
Last edited by B18CYA; Nov 4, 2006 at 06:53 PM.
Last edited by PewterC5-2000; Dec 3, 2006 at 09:04 AM.

