340 tunnel ram

I'm gettin' ready to try a tunnel ram myself, for now its a BUDGET build, nothing razzle - dazzle or hi-tech, Its going on a stockish 383, I'd really like to run 2-500 edelbrocks (no offence-I hate holleys).. What would be the best cam and converter choise to try??? rear is a 3.73 locker, figure I'll run tall slicks at the track to gear it down a little.. Car is a 66-valiant straight axle gasser, front whees will be moved forward 8 inches...it should be pretty light.. Any ideas on cam and converter stall???