That sounds like an old erson grind,low lift and mild ramps,similar to a comp 280 magnum but a bit smaller.What are the heads as far as performance?,how they are done is a major factor with regards to the cam.
Here's some info on the heads I pulled from 440source.
Cylinder Head Technical Specs:
Intake Port Flow (at peak ~600 lift):290CFM @ 28" of waterIntake Port CC: 212CC*Intake Valve Head Size:2.14" Exhaust Port Flow (at peak ~600 lift):220CFM @ 28" of waterExhaust Port CC: 72CC*Exhaust Valve Head Size: 1.81"
