Pistons, depends on combustion chamber size. A small, less than 100cc head - flat tops. 118cc + heads - dome, around an 1/8 inch. Intake - high rise, dual plane. Edelbrock Performer RPM or something similar.
What is the duration of that cam @ .050" ?
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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