OOTB Stealth vs Prepped Stealth?

What airflow difference will you see if you do a valve job and quickly clean up the ports?

Your results may vary, here are the last ones we did. Exhaust was using a 2" tube.

Lift.........OOTB IN/EX.........Prepped IN/EX
.100..............70/57..............75/59
.200............148/114..........152/128
.300............210/159..........216/172
.400............248/193..........263/208
.500............268/218..........288/236
.600............277/234..........299/256
.700............278/244..........305/268

Before the finish milling this set of heads is around 83.5-84cc.