For comparison, here are some numbers for an Ede E-Street
75cc head. The 75cc chamber definitely has more valve shrouding
compared to the 84cc heads, and has a noticeable impact on
the low and mid-lift flow numbers.

Ootb head with ede valve job

Lift-----in/ex
.100----62/52
.200---122/100
.300---183/137
.400---230/167
.500---262/185
.600---275/195
.700---282/201

Last edited by fast68plymouth; 08/19/15 07:34 PM.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads