Quote:

My goals are apparently ambitious. I want to run mid 10.50s with the car, non gutted with cal-tracs. I also want to run a streetable gear (3.55


A mid 70's Challenger full street interior, etc. will weigh a lot. Depending I am thinking 3600-3800 lbs. That makes running 10.50 a lot tougher, and needs more power/torque.

IMO, a big block stroker is no more expensive than a small block stroker, and for the power level you need; I think the BB will be less expensive.
You can always sell your small block stuff to get some cash.