How much would different heads help
Thread Starter
Teching In
Joined: Mar 2011
Posts: 9
Likes: 0
From: Foley, MO
How much would different heads help I have a lq9 with a tsp 228r. It has 317 heads with a mild hand port job and milled .015". Would it help out any to get a set of cnc ported 243 or would the gain be minimal. This is in a 1994 chevy extended cab.
