From the same flow bench, here are some numbers from some
MCH CNC ported stealths. Stealth valves with back cut, MCH
valve job, full CNC ported, std port size. Average flow for one
left and one right cylinder.(#1 & #7)

Lift------in/ex
.100----70/60
.200---161/113
.300---222/143
.400---263/169
.500---289/189
.600---305/205
.700---309/215

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads