Mopar '340-X' Heads vs. Chevy 'Fuelie Heads'

'340-X' #2531894

Getting those Flow Numbers

Port Volume ...... Intake = 158 CC's ---- Exhaust = 73 CC's

Lift ........... Intake / Exhaust
.100 ............... 58 .... 45
.200 .............. 125 ... 95
.300 .............. 172 .. 122
.400 .............. 208 .. 135
.500 .............. 221 .. 140