Roger, trying to settle a disagreement amongst friends...
What cylinder heads are on your car? 3919840's? Or 3964291's? I say the 840 castings are more correct for 67'-68' cars, and the 291's are more correct for a 69'.
TIA
__________________
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
|