Forgot to mention the 12.6 degree port I am playing with that I got 428 cfm out of is 2.300 X 1.300, and the 390 cfm port is 2.300 X 1.100. I think that with what you and Calvin have will easily surpass the port I have. It looks like in the photos anyway, that your port openings are around 2.650 X 1.400. My csa at the opening is only 2.99 and that would make yours if I'm close around 3.700. The Tigers are 3.38 csa at the opening. Looking good!!!! I think I might open up my 428 cfm port and see what it can do. I need to pull a mold from it first though.
Don Johnston
DCI MOTORSPORTS INC.
330-628-3354 cell
330-850-5050 shop
Designer of the DCI Tiger Heads and the NEW DCI Ram Air V heads !!!!
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