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707 Posts
Ok guys I have swapped in a 454BBC and now swapping the th350 for a th400 and a ford 9" rear. I know that my crurrent x member will still work for the th400 BUT now I gotta find out if the driveshaft will still work or if I will have to get it shortened? If it has to be shortened how do I go about figuring what dimensions are needed to shorten up my drive shaft?