Holley/Demon Carb stumble

Nope its in the top and yes it is screwed in the top but would have to be drilled and tapped to put it in the bottom.
Yup no threads in the e holes.
I'm just saying if the IFR is .054 all the way through, and it seems like it is, then unscrew it and put an .033 something like that in there.

edit:
And lead is just a quick and dirty way to get two e-holes in the .027 range without tapping and drilling.