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Old(s) Fart
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Thanks a lot. One other question. Will a 700R4 crossmember work with a 350 transmission?
It depends on the car. Early cars with the straight crossmember, yes. You simply slide the crossmember to where it needs to be and if the factory didn't pre-drill the holes, just put some in. On the 1978-88 A/G body cars and the 1977-1990 B/C-body cars, the crossmember is not straight, it's angled. The frame rails are not symmetric and you can't just slide it. There are different crossmembers for the TH200/350/four speed and the TH400/200-4R. The 700R4 crossmember is unique.
 
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