David Vizard, Uncle Tony's garage, Unity motorsport. Mission impossible Dodge 302 Head porting
Nope.
It’s something I do when I’m flow testing an intake manifold........ but most times I don’t see anyone doing it.
I have tested it both ways, and it doesn’t always make a difference, but my guess is on an intake that’s knocking the flow of the head down 80-90cfm, it would probably help.
