Quote:

Quote:

I don't want to lose the velocity by hogging out the ports too much but want to increase the flow.




If you ported the heads until every interior port surface of cast iron is one molecule away from breaking into the water jacket you would not affect velocity in a way that will make you lose any noticeable torque.
-dulcich




interesting way to say 318 heads have small ports...LOL


Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)