then
pick a cam that uses the port work/flow chart-map...this will dictate the best cam profile...
for instance if the port is done at 500" you wont need a .530" cam...for example..
cheapst
I'm of the opinion that you get a cam that is actually larger than the best flow is noted. In the example of the .500 flow peak and a .530 camshaft, that's exactly what I like to do. Actually I'd more likely do something in the .550 range on a SB mopar. The amount of time the valve is hung open at peak lift is so minimal in a hydraulic/solid cam application, it's not really using the flow at peak lift.
Another issue with SB mopars is the crummy compound angles that snag lift at the valve. Your .500 theoretical lift probably isn't at the valve, likely more like .485 if you are lucky.
Home port your heads and ask someone that has done a few what you should and shouldn't touch with a cutter.
Cheapst always has good info.