Hello. Bruce Chrystal, proprieter of Manchester Muncies a home based business located in Manchester, Iowa. A business started to rebuild Muncie 4 speed trasnsmissions for GM muscles cars from 1963 thru 1974, but has expanded to do restoration of some other small parts assocaited with the GM driveline. i.e Shifters, 4 speed pedals, bellhousings,z-bars, etc.... Below is a picture of a 1970 M-22 "ROCK CRUSHER" trans I've redone just to give you an idea of what type of work I do. Read on and I'll give you more info about me and my business!