Here is a diagram from the shop manual of the pedal attachment. Shouldn't be hard at all to put them together. Thread the end of the pushrod and attach with a heim joint.

http://i107.photobucket.com/albums/...5-450B-A50A-2764ABF797CA_zpsjr6ssxgi.jpg


1956 Chevy School Bus Superior Body
In the Stovebolt Gallery