whats my comp ratio??
whats my comp ratio??
Getting ready to order a custom prom but one of the questions is about compression ratio. My bottom end is completely stock but I installed a set of afr190 68cc heads with felt pro 1010 gaskets. Does anyone here know the formula to figure this out. Thanks for the help.
Dave
Dave
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From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
ahhhhh
somthings not right...... you say 9.75:1 but he is going with a bigger head chamer........ hell factory is only 9.3:1 with 64cc chambers........ 8.75:1 i'll agree with, as a guesstimate....
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