My potential compression ratio

blue missile said

Octane,
do me a favor and plug these numbers into the calculator

Click to expand...

Andrew - using Pat Kelly's calc, which requires SS timing, I come up with the following using my specs and the IVC values of the cams you listed:

Comp Cams XE275HL-10 = 8.687 DCR

Comp Cams XE285HL-10 = 8.340 DCR