Small Block Cylinder Heads 'Stock Specs'

This a general information thread,

Your results may vary.

These results were performed on sets of Cylinder Heads that we had in our
storage bin, 'Stock' unmolested Cylinder Heads.

The 1968 thru 1974 #2843675 Cylinder Heads that we tested had a 'tad'
greater port volume level at 127 CC's.

Does it really matter '1 Wild & Crazy Guy'.