Ed Anderson wrote:

Paul,

    For those with 20Bs, here is a source for a intake Flange


CNC 1/2" 6061 T6 ALUMINUM

20-B / 3 ROTOR FLANGE

$ 110.00

 http://www.jay-tech.com/FLANGES.htm

  Ed

That is an interesting web site Ed. Thanks. They have some 13B intake manifolds for
four
barrel carbs as well. They looked like they are tuned for high RPM racing.
Maybe we can talk them in to making an EFI manifold for aircraft use at 6000 RPM.
I'll give it a try. That 20B flange would be cheaper if they hydra jetted it :-)
CNC is the expensive way to make it.
Tracy is selling the six port 13B intake flange out of 3/8" thick for $45. 
A 20B version hydra jetted would not be that much more.

Paul Lamar
 
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