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1968 Corvette

Code Displ. & Carb. Comp. Ratio
HE, HO, HP 327" V8 4 Bbl. 10.0:1
HT 327" V8 4 Bbl. 11.0:1
IL, IQ, IT 427" V8 4 Bbl. 11.0:1
IO, IM, IR, IU 427" V8 3-2 Bbl. 11.0:1
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