I'm going to echo what Bill said, don't waste time with a factory 400 crank. Scat is ok, avoid the cat cranks.(eBay junk)
I have had a few 383s, and helped build a few for friends. They make good power even with basic parts.
__________________
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
|