I have a '57 with a 4bbl 283 and a Powerglide
The thin steel flywheel/flex plate dust cover has two screw holes with 1/4-20 threads in the transmission adapter plate casting, and another to secure the access cover for the torque converter/flex plate bolts.
My recollection is that all three of...
Trying to stop by valve covers from leaking...
Any recommendations on vavle cover gaskets?
How about bolts vs. wing nuts? How can you get the torque correct with wing nuts?
I've also noticed that there are perimeter hold downs availble vs. the small retainers.