Re: One of ? L89 Nova for sale at Russo and Steele
Head #3946074 open chamber 118cc. ZL-1, L-88, and 1971 LS-6 Corvette. Round exhaust ports. Piston for 396/375 GM #3878231 11:1 compression with 106.8cc closed chamber head #3919842. Calculculated compression with this new combo: 10:1 at best. Too low for the #3863143 camshaft. It is highly unlikly for GM engineers to mis-match open and closed chamber componants. I am just saying, IMHO.
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1962 Oldsmobile Jetfire, Factory all Aluminum V8 Turbocharged and Methanol Injected TURBO ROCKET engine, 4 speed Hydramatic, 4 link rear suspension, 3.36 Anti-Spin differential, California car, PS, PB, PW, AC, Jetfire 2 option package.
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