Just because it wasn't used doesn't mean it wasn't under consideration. Engineers try things to see what works best. The 3x2's must not have come out on top.
Personally, I used to run two 650 cfm Holley two barrels on a cross ram manifold in an IHRA drag class because the class record was softer than it was with a single four barrel. Rule books were meant to be read, whether it's Trans Am or drag racing.
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John Brown
This isn't rocket surgery.....
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