Got of the phone with the machine shop. Rear main was .060 and would have to be welded. (add $70!) They have another crank there that is .030 under and ready to go. Right size for the 74 converter.
$70

No wonder the rear main was leaking so bad!


"The only thing to do for triumph of evil is for good men to do nothing"

"NUNQUAM NON PARATUS!"