This is a street driven car so please do not overcam your build thinking you are drag racing at wide open throttle rather than driving to the cruise in
Small blocks like split lift and duration cams
the max i would go would be specs like a racer brown SSH 25-44
you need a good converter, stock won't work well at all
resist the think that you need 3.55s
3.23s with a good converter will work wayyyyyy better than 3.55s