One wire lock-up, 4 spd automatic w overdrive into A-body.

jbc426 said

I am going to weld the torsion bar crossmember from the door sills to just short of the transmission tunnel by about a 6".

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Why do all that extra work? No need. That's brutal. I chopped out my cross-member hump and welded in 1/8. No problems pulling serious G's.