Built the intake in the pics with similar self-imposed constraints of the hood line. In my case I was trying to stay under the shaker of a 71 T/A. Manifold size looks very similar with small shallow plenum, single dominator and flat top. In a back to back test on our dyno this manifold was down about 3.5 percent from a ported Victor and 1" spacer (which would not fit under the hood line either.) We ended up running the Victor and 1" in the car with a different hood.
The third pic is what the intake looks like now. We will see if this combination likes two 950HPs and 1" plenum spacer better than the flat top. We have a total of 2.5" of spacers built and will be testing a few sizes to see what this combination likes.
Rattlesnake nearly ruined the party.
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