I am ready to pick out the head gasket and here is what I know. What I want is best CR and quench without denotation on 93 pump gas.
If I am already to high than best with Octane additive. I want most HP with what I have "street/strip" Build.
Flat Top Ross Piston, Edelbrock Performer Heads
Bore 4.10
Strke 4.00
gasket bore 4.180
Chamber volume 65cc
deck hight .051
Dome volume -7.5cc
with .025 gasket I get 10.71:1 CR with quench at .076
cam is roller XR274R
Roller rockers 1.5
Roller lifters