Small Block Cylinder Heads 'Stock Specs'
Jake,
I was only posting the results from 'Stock' and 'Unmolested Virgin Cylinder Heads'.
But, in the #2659820 Cylinder Head ~ 1.78" to 1.84" Intake Valve Flow comparison.
Stock Intake Port Volume..........125 CC
1.78" Intake Valve
1.53" Bowl Opening {86% of Valve}
Intake Flow.............158 CFM @ .450" Lift........160 CFM @ .500" Lift
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1.84" Intake Valve
1.60" Bowl Opening {87% of Valve}
Intake Flow............163 CFM @ .450" Lift.........167 CFM @ .500" Lift