Doing some clean up - - Hey, it's gotta be done some time - -but I uncovered a 4-speed tranny I didn't even know I had - - But I don't know what it's for [maybe AMC]Gear box is steel w/ a casting of T10B-1, W.G. Div,W-1 - - Tail section has a casting of T-10H-7A,W.G. Div,W-2 and the tag has D3-B-1. Any body got an idea ?