Im looking at running their 220cc Pro action heads on my 406. Ill be running a 233 int./241 exh. duration 0.504 int./0.525 exh. lift cam ground on a 110 centerline. This with a Edel. RPM Air Gap and a 3310 Holley flowing 815 cfm at 5500 ft altitude. Anyone have any experience with a similar setup or the Pro Action line of heads? Thanks

 

I ran them on my ZZ4 and I loved them! High quality product and made 432whp with a 230 hyd roller, victor jr, proform 750, and 11.5:1 Cr. This was through a T-56 also. Heres a vid http://www.youtube.com/watch?v=aYazpBfpOco
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Oh and BTW OORAH!! Im at Lejeune right now.

 

Sweet Camaro man. Oorah!