Quote:

my heads are ported and polished and are suppose to flow 250cfm at .500 lift on a 440,cast heads

That is very comparable to other 440 Mopar BB iron heads that had similar work that where flowed on a Super Flow 600 bench at 28 inches of water

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)