Ford 460/501 Compression Ratio
Ok, So guys I am new to the forum. I have not found my answer yet so I am reaching out. I purchased a motor that was advised third hand was a 514 crate motor with 11/1 compression. I bought this motor for a 68 Galaxie 500(Toploader-389 gear). I took the pan off and discovered that it had a fresh rebuild with good parts: Eagle 4340 4.140 crank, Eagle 6.8 H beams, Srp flat top pistons(-3cc.. 4.390), with A429 72 cc heads. Problem, I believe all this adds up to 501 CI and 12.5 Compression, not streetable. Question, has anyone used a cometic gasket.. thinking .092 to reduce compression back to 11/1 vs new dish pistons. Will this much gasket create quench issues.. srp says no.. This is a street motor with a crower solid roller(was already with motor) with 650 lift 252/262 dur and 108 sep. not as concerned with hp as I am with fuel issues. 93 pump gas, weekend fun car, and can add a little race fuel to bring up octane.
Gasket are $260 vs pistons and rings.. $650
Last edited by anthonycorvette; 07-17-2019 at 07:06 PM.