Got the GMC back yesterday. Ended up using a completely different case and valve body. So far, so good. I am still leaning towards a 4L80E swap in the future.
__________________
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
|