4wd-Eclipse
20+ Year Contributor
- 380
- 3
- Aug 26, 2002
-
Oman, Muscat,
Asia
Soon I'm going to overhauling the engine and using 9:1 JE piston. So I need to know if a thicker metal head gasket should be used with this compression ratio for daily driven 1G dsm with 15 psi low & 22 psi high (for racing only) using 94 octane fuel.