Your welcome. I was thinking you might want to separate the water cross-over from the intake. It helps to align the intake with the ports alot better. I realize you know that. Just thrown ideas your way.
The other thing I noticed in your pics was that the top part of the flange has alot more material than the bottom suggesting that maybe who ever ported it moved the openings downward. So cutting a-bit off each side will lower the intake to the port opening. And then the angle that has been mentioned comes into play.
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68 Firebird. IA2 block, 505 cu in, E-head, Solid roller 3650 weight. Reid TH400 4:11 gear. 29" slick.
Best so far 10.12@133 mph. 1.43 60 ft.
76 Trans am, TKX .81 o/d, 3.73 Moser rearend,
468 with KRE D-ports, Doug headers, 3" Exh.
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