David Vizard, Uncle Tony's garage, Unity motorsport. Mission impossible Dodge 302 Head porting

Other than a slight gain in cr there's no power advantage over 273/318 open chamber heads with 302 heads and definitely not over 340/360 & magnum heads. All can be ported and all can be built with quench.

If you want to run them that's fine but stop trying to convince the average 318 guy that there the hot ticket for his setup especially unported.