Is this Demon just junk or am I just junk at dealing with it?

Link to a video where the power valve is closed with a manual vacuum pump.
Effect of an open or closed PV on idle
Paraphrasing FalconGeorge. Changing main jets has no real affect on idle. Not in most cases anyway.

Alright, so I watched the videos. They were helpful to refresh me on the various circuits. I loved the part where the record had to be flipped. My how times have changed as far as media.

As for the secondaries, here's a pic. You can see how, even with the curb idle adjuster pulled completely off the linkage, the transfer slots still show about .060" below the throttle blades. There's just no way for me to see how I can get the blades to adjust further to only show the .020" that I can get with the primaries.

secondary curb idle.JPG