[Jac Mac]

Originally Posted by cobrafx

edit: The right side mounting holes are VERY close to the radius of the bellhousing that the bolt heads interfere before bottoming.

Use hex cap screws or small head bolts to avoid or cure this problem where the larger 5/8" hex tends to push the bellhousing aside just as it fully tightens, some careful use of a small die grinding burr on the housing at the point of interference will help make clearance if reqd also.