January 25, 2003
Flow testing: 28” H2O
Intake: 1.260” head diameter 6mm stem
Stock valve angles
Stock valve seat angles & width
Stock port with ¾” clay radius inlet
|
Valve Lift |
Flow (CFM) |
|
.100” |
83.58 |
|
.200” |
157.21 |
|
.300” |
180.56 |
|
.400” |
183.52 |
Exhaust: 1.063” head diameter 6mm stem
Stock valve angles
Stock valve seat angles & width
Stock port – straight out (no pipe)
|
Valve Lift |
Flow (CFM) |
% of Intake Flow |
|
.100” |
64.66 |
77.5 |
|
.200” |
108.16 |
69 |
|
.300” |
124.80 |
69 |
|
.400” |
126.88 |
69 |