I tried to run a pressurized airbox on a TZR250RR about 2 years back. At that time I didn't have dyno access readily available even though it turns out there was on nearby.
The problem was that I couldn't get the bike to run right and it was generally a right pain so binned the idea shortly after conception.
It's not so much the main jet settings but the slide spring rate and the needle taper that became so difficult to set up.
You can't use a dyno to prepare a stroker running a force feed system as you can't normally simulate the changing pressure - I presume some sort of pressure check valve would be needed. Spoke to Farnham about it and he said good luck and have fun.
Get the picture.
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These aren't the droids you're looking for.