Mild Torque 318 suggestions wide open!

Whatever you do, have at least a 3.23 rear gear when ya do it.
Going with stock replace style rebuild...252 duration cam, performer intake, 600 eddy with 2 steps richer on the primary rods, 35 total timing, also take the heavy spring out the distributor and only run the weak one, that'll give ya about 18 initial till you goose it.