You are going to have to special order those brakes as they are too old for an auto parts store to carry. In fact, an auto parts store can most likely special order them for you, saving you the hassle.
No
All C3 Corvettes (1968 - 1982) came with factory 4 wheel disc brakes.
brakes do not release
Try replacing your brake calipers.
Yes it is possible to replace brakes yourself. If you have the tools and a little background in cars, you should not have a problem replacing the brakes on the car.
No you dont have to. All I did was was pump the brakes with the car running
The pads or shoes wear out and need replacing.
There's no guarantee that they will. Disc brakes have a higher initial cost and are prone to heating more quickly than foundation drum brakes.
Chevrolet makes corvettes.
no
All corvettes are constructed from fiberglass.
No, the brakes have nothing to do with the drive shaft.