Yes. You are slow. You took like six months to do that darn engine, I'm only on 6 weeks.

I got all my stainless piping now, I finally got stainless O2 bungs, I'm almost done with my shift tower mods. I set a big list of things to do so it is taking a while.
Oh, I got my LC-1 finally, it is cool as hell, cuts out all of the B-crap and should feed a signal to my GReddy A/F gauge so that I have a nice looking Analog wideband guage in the cockpit. Everyone sells crap or digital readouts. The GReddy is the only one I know of that has a nice analog readout, peak hold with warning light and matches the SVT gauges in the car.
Oh, and yes I see what you are saying about the cap and throttle hang. However, I was referring to its use for moosing, not bashing its use for throttle hang at all. YOU brought up it's use as a throttle hang mod...
He's still reporting that he had moosing even with the cap.
Personnally, I'm afraid I'd overcomplicate this for people so I'm going to post this with a simple warning. Keep it simple is smart!
You just need something that will baffle the air so that it spoils its' smooth flow.
Here's how I'd make a baffle or a series of baffles:
For a sheet metal baffle, you cut out a disk the ID of the hose, with little strip radials (tabs) sticking out the four cardinals, sort of like a compass rose on a map. The tabs will be bent two down and two up, 90 degrees from the plane. The opposites would be bent the same way. Then I'd make two diagonal cuts between each radial sort of like a pizza slice but stopping short of the middle.
Then with needle nose pliers I'd turn each of the pizza slices to about 30 degrees, not away from the plane of the disk but a twist in the plane of the disk.
The idea behind this would be that the air would have to chanbge direction twice as it went through the baffle. Unfortunately I haven't tested it so it may require more baffling than that. Maybe two in series, one on each end of the hole would work fine. OR:
Might work just as well with multiple small holes drilled into the copper cap mod too.