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Original Message
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RE: 390 Pistons, HELP! |
By Nash - 10/07/2003 1:49:16 AM; IP 205.188.209.51 |
My goal is to land at the stock C/R.
i'm buying old used heads. They should be anywhere from 66-69 CC's if im correct.
Summit Sells 2 pistons for me:
UEM-KB150030-8 Pistons, Hyper., 4.080 in. Flat Top, Ford 390, 2-5/64, 1-3/16, 8 Pk.w/Pins/Locks
Those are hyper 9.4:1 Pistons
TRW-L2291F30 Ford: 390, .030 in. overbore, 3.78 in. stroke, 6.489 in. connecting rod, flat top, forged, piston
Those are 9.9:1 pistons.
Which ones with a set of old school heads iwll give me the final stock CR of 10.1:1, or about.
Thanks! |
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