Need advice on my 318

Edelbrock 600 CFM
Weiand Action+Plus Manifold
"302 Casting" Heads with Port, Polish, and Valve Job (Upgrade exhaust valve to 1.60)
Mopar Thin Head Gasket
COMP Cams XE268H
Depending on cylinder wall and crankshaft condition, a basic re-ring/rebuild would be just fine.

It's a basic recipe that should satisfy your needs and won't break the bank too bad.