I did a similar 427 for my R code Fairlane, big F heads cam, headers & stock cast iron exhaust manifolds. I used the duel plane intake with the BC, BD combo.
I got pretty much the same results. Deans motor has a little more peak HP than mine but I had more trq. I would a tribute that to the tunnel wedge.
The Fairlane manifolds killed 50+ HP & Trq across the board on mine too.
Rob
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