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Dual plane Poly intake?

That appears to be a single plane Mike. All runners are at the same level.
That's what I thought too. I questioned that in the title. It looks a lot like the 7503 Weiand.
 
Mike, I just found a thread on A bodies "Tested the new Poly SuperPac manifold" It shows a new dual plane they made and tests it against the Weiand. Good read!
 
Mike, I just found a thread on A bodies "Tested the new Poly SuperPac manifold" It shows a new dual plane they made and tests it against the Weiand. Good read!
I wish they still made the SuperPac manifold. They were cast in Mexico in a small and crude foundry. They supposedly worked well. Designed like an Air Gap.
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