Guys, I'm going to change the TH350 tranny to a TH400. I know that the yoke on the drive shaft will have to be changed, but will the length stay the same ? I've got a TH 400 cross member for the swap. Will the new cross member bolt in the existing holes ? I'm working with a 1969 Firebird. The existing tranny is a short shaft and the new one is a short shaft. What other problems will I run into ?
Jim
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