Deck height?
According to Summit, a deck height of 8.2" with a TRW L2488F piston ( yes it has valve reliefs) would yield a compression ratio of 9.98 to 1 with a 61cc TFS cylinder head combustion chamber.
All of this discussion is mainly for blower application consideration and I can have 'em in before my dyno run on Wednesday.
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1988 GT Convertible
331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta...
One week with new motor, two speeding tickets...joy
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