I have a 1986 Buick Regal with a 307 olds V8 that i'm pulling out so i can install a SBC 350 along with a matching trans. I've been told that the TH350 trans has 3 diffeent tailshaft legnths, so how can i tell which one it is that i need? How much difference in them is there?
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'86 Buick Regal Limited