different saginaw pump shaft sizes?

hi fellas, im trying to get my 383 ready to run one of these days but im now having trouble getting the power steering pump set up. i got the correct big block mounts for the saginaw pump and also the correct crank and water pump pulleys now, but im trying to use a saginaw pump from a 78 volare, but when its bolted up the pump pulley groove doesnt line up with the crank pulley groove. i think there might be different size pump shafts or something . does anybody know if the shafts differ in lengths or something. on second thought maybe the pump pulley is needing to be changed . the pump and pulley both came from a slant six motor . any ideas on this? thanks
Author: admin