[JLMounce]

With a TBI setup like a sniper, run the manifold that you would run with a carb.

I do have back to back testing on a dual plane and single plane with my FiTech. It being first on an Edelbrock P4B, then on an Edelbrock Torker II.

The system ran fine and confidently on both intakes. The torker II did have slightly better fuel distribution than the dual plane P4B, but that's not saying that the distribution wof the P4B was bad, the single plane was just better.

With the manifold that you want to run, you should run the Sniper quadrajet instead of trying to adapt a square bore throttle body. It's going to work better.