New Magnum heads for 347 with Flow data

you have to respect a guy like that , go out of his way to do some r and d work to try to help us find less expensive proof of real #s than to throw up a graph with no R&D work proof done to it at all even by joe blows heads and try to sell it on us to figure out by word of mouth . interesting thread . like to see it with an intake added when this testing done. by the way Screws thanks for the visuals on the rockers the other night real world prospective showed huge differences in after market parts and brands thanks