Aftermarket/ported Intake/exhaust manifold power gains with stock head

[SnakePlisskin]

Does anyone have any dyno results or flow data for stock vs aftermarket or ported intake or exhaust using a stock head? Curious to what the gains might be.

[84svounoh]

Befriend turbo ford on Facebook there is a man on there who has been doing a lot of research you may be interested in.

[SnakePlisskin]

Ok thanks 84svounoh!