If you want my opinion I would build the 331 and buy the stuff from your friend and go from there. I think it will work better than you think. It will feel a lot better than what you have, the aod will probably hold up as long as you don't rip on it too hard all the time.
I would probably go with around a 3000 to 3400 rpm stall with the aod.
__________________
James Cox
RHC Member #44
nochevy@hotmail.com
1991 Mustang LX
Dart iron eagle block, 4340 28oz 347 crank, 4340 h-beam rods, probe ultra light pistons canfield heads “race ported by Brent Frazier”, solid roller cam and lifters “custom grind”, kooks 1 7/8" race headers, and much more.
Engine built by Brent Frazier.
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