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1969 Corvette

Code Displ. & Carb. Comp. Ratio
HY, HZ 350" V8 4-Bbl. 10.25:1
HW, HX 350" V8 4-Bbl. 11.0:1
LL, LM, LO, LP, LU, LV, LW 427" V8 4-Bbl. 10.25:1
LN, LQ, LR, LT, LX 427" V8 3-2-Bbl. 11.0:1