The cam is 232/234, 600_600. Heads are 227 prc, going on a lq4 with dish pistons. Pistons are .010 out of the bore. I'm looking at 59,58 or 57 Cc heads to get the compression up to 11.5 for 93 octane. It's going in a 99 silverado extended cab with 3.73 gears. Anybody have this setup?