Dual quads versus big hammer!!!...

Gotcha. Was just curious. Running it both ways is definitely the only way to get to the root of it and nothing wrong with removing the choke door. But I know filter versus not can cause issues sometimes, but so long as anything "close" is also checked with filters on then it shouldn't be a problem.

I ran across at least one other discussion elsewhere (non Mopar related) that mentioned tunnel rams sometimes see worse standoff despite the plenum because the ports can still have a pretty straight shot at the venturis and that it tended to be at lower revs with tunnel Rams and narrower LSAs which seems to match your setup.

No one had any clue on a solution though, LOL.

Anti reversion plates seem like the obvious thing to try, but throwing money at a maybe can suck.