Gasket matching

Little flow secret for You, the valve-job has a ton more influence on flow than most appreciate, and opening the bowl too much can ruin any chance of establishing a
great one. Since You're learning from scratch, (and almost ALL of Us did), and You don't have a flowbench to learn with, You should invest in some research and even
better... buy Mopars porting templates for the iron heads and start there. If You go oversized valves, don't assume they'll automatically flow wonderful, they won't.
Steve Dulcich did a small series comparing the different BB iron head castings, and the results of porting and o/s valves, check it out on Hot Rods Mopar Muscle site.
Had the links saved on My old PC, but the handle on the crank broke off!!!