318 head flow

LIFT-------AS CAST------PORTED

.100”-----51.8/N/A--------71.8/N/A
.200”-----92.5/70.7--------148.4/86.3
.300”-----130.1/104.3-----212.2/113.9
.400”-----163.9/113.2-----241.5/131.1
.450”-----169.1/115.2-----244.6/137.7
.500”-----170.4/117.3-----246.7/139.7
.550”-----172.2/119.0-----242.6/144.9
.600”-----172.5/120.4-----240.8/144.9

All #’s at 28” of water
No flow tube on exhaust
As cast #’s are 1.78”/1.50” valves, Ported is with 2.02”/1.60” Ferrea 5000 Series, No Back Cut.
Ported Intake Runner Volume is 151 CC’s

For more information on “302” Swirl port heads email [email protected]

Probably water leaking paper weights.