318 head flow

Nice 308 head with factory valve and valve job(valve seat not beat up or sunk):
4.00 bore, 3/4” radius plate:

A- stock head and valve/valve job
B- grind/narrow seat, back cut valve, minor bowl blend

Intake:
Lift———A/B
.100— 51.6/ 58.8
.150— 75.2/ 90.0
.200—107.9/127.0
.250—137.1/157.4
.300—163.0/183.3
.350—180.8/199.3
.400—192.2/206.2
.450—201.9/208.2
.500—206.2/209.5
.550—207.5/210.8
.600—207.1/210.0

Exhaust:
Lift———A/B
.100— 42.7/ 62.6
.150— 67.5/ 87.4
.200— 89.9/106.0
.250—110.9/130.2
.300—127.7/143.1
.350—139.8/152.2
.400—147.5/157.3
.450—150.9/161.2
.500—153.5/163.0
.550—154.8/164.3
.600—155.3/164.3

Sure........ compared to the previous post, it’s a different head, on a different bench, with a different radius entry.
Compare at your own risk !!