Quote: Some fast combos with these heads. Looks like with porting we would be in the 9's with our pump gas combo...What is the main difference between these and say the 440-1's, the port height?
use stock rockers except for the big EZ heads than their similar to -1s
Gen 3 power 6.22@110, 9.85@135 Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
