Forget the adapter plate, it just adds cost to an already expensive project. Use the later engine and trans. What rear end gears are you going to use if you go with the overdrive trans? How important is it to have overdrive? If your intended use is around town, cruise-ins, etc, then do you need overdrive?
Last edited by 63 Pontiac; 10-17-2013 at 08:10 AM.
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