318 MAX fuel economy builds?

Ceedawg said
Reading through these posts have given me an idea, I have the TQ carb and sp2p intake, so I remove the TBI and intake on my pickup, maybe I’m in the 20 plus range!

I would try and find the manifold used in this article not the airgap:

Mopar Performance Parts - '71 Satellite 340 Small-Block Bolt-Ons - Hot Rod Magazine

Only draw back was it was a Whopping 17 HP down @ 5600 RPM.......