|
an example is
a customer motor Im building is 30 over trw pistons deck was cut ~5 tho and heads were surfaced also not sure exact amont whatever champion shaves their iron heads
single steel shim ~23 tho unless you over tightened your heads
his motor came out just a hair under 8.5 to 1
If you cc a bone stock lc2 motor which I have done a couple and they have shown a stock compression of 7.9 to 1
my old motor was very slight surface , single steel shim , no head surfacing with factory pistons and came out 8.4 to 1
__________________
85ttype 87 powered (resting) , 78 elcamino turblo bruick powered
Eastern Virginia Turbo Buicks
From Stock To Stage All Types of Buick Repairs Or Mods
business is closed ... relocating to jax. florida soon 
|