318 head porting for the average joe

ditto....lol....I saw up to a 7 cfm increase in the lower .100-.300 lift range when going from a crummy valve job to a good valve job.

Tomorrow morning ill test what ive done today and post numbers by the evening.

Just as important as flow... The highest quality work, done with the highest quality equipment, means the cylinder seals totally and smoothly. That reduces valve bounce and valvetrain harmonics and the chances of breakage.