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Classic Truck Discussion Board

drive shaft help?

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Posted by Nat Hatfield on April 15, 2007 at 15:11:33 from (

hey fellas, I just had a 78 chevy givin to me. Its got a half-dead inline 6 and a three on the tree. I've had a 1960 Chevy sittin on the back burner for a few years with a fresh 283 and a saginaw 3speed + granny gear floor shift tranny. So you can see where this is going. All the swap seems to be straight forward: cut the floorpan, change the engine brackets already have the exhaust ready to swap etc. Now for the snag the tailshaft on the original tranny is longer about four inches difference as measured from the bell housing to universal yoke. Also on the saginaw the output yoke will not seem to come out like the newer trannies. So I'm fairly certain i'll have to use the intermediate shaft from the sixty. But I still don't think I'll have enough shaft. I know you can shorten drive shafts to make room for longer trannies but is the adverse true. Can you add length to a drive shaft without throwing it out of balance, Or will i have to order a longer unit. Any input would be helpful.

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