you're gonna need the following:
Bigger Radiator
Schmaucher Mount kit
Disc Brakes
a minimum of 1.03 torsion bars.
at least a 8.25 rear axle, preferably a 8.75 or dana 60
Better shocks.
as for power, 383 has way more than a 318. it'll be easy to push 350-400 hp flywheel with simple mods like headers/intake/carb
