Question about raising my SCR
01-14-2007, 09:02 PM
#1
Question about raising my SCR I bought a set of Patriot Stage 3 LS6 style heads and I know they're going to need a mill job to raise my compression ratio since they're 1cc larger than my stock chambers. What I am wondering is, how much should I mill and what head gasket should I use to bump my compression up a bit over stock? How far can you mill LSX heads before you start running into port/bolt alignment issues?
01-14-2007, 09:10 PM
#3
TECH Senior Member
iTrader: (23)
Join Date: Aug 2005
Location: Watertown, NY
Posts: 8,797
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by LS1Formulation
I bought a set of Patriot Stage 3 LS6 style heads and I know they're going to need a mill job to raise my compression ratio since they're 1cc larger than my stock chambers. What I am wondering is, how much should I mill and what head gasket should I use to bump my compression up a bit over stock? How far can you mill LSX heads before you start running into port/bolt alignment issues?
After around .050 you start having intake lineup issues.
01-14-2007, 09:45 PM
#4
I'm doing a Patrick G. style torque cam, 220/224@.050 w/ LSK lobes. I don't think I'll run into any issues with PTV clearance, but I'm still planning on checking. I only purchased these heads because they were $200 and I'm trying to build on a budget. Anything is better than the stock crap '98 heads.
