Pont V8 Late   Cylnder Head  4X   Flow Data  - unported

Data SourceInt/Ex Valve.100.200.300.400.500.600
Pontiac 4X-7H Iron HPP
153.0 / 140.0 cc's, Exhaust = Pipe		2.110"/1.660"83/47142/96185/131204/147212/152-

Special thanks to Stan Weiss for supplying data. This is only a small detail of information available on his website. It is worth the time to dig into his stuff at
Stan Weiss - World Wide Enterprises.