Need to know the size and number of attaching bolts on a 1959 Chevy V8 Hydra-Matic for: flywheel to crankshaft flywheel to torus cover Also, if anyone has the part number of the Chevy flywheel, that would help too. I have LOTS of GMC parts info, but no Chevy parts books. I am trying to help a GMC buddy transplant a GMC Hydra-Matic into a Chevy truck that was originally equipped with an HM.