Holley stumble trouble

Tip. Premeasure the number of turns of the idle speed screw to reveal .20 through .040 of the t-slots.
Tip. Use a note book. I'm sure you already do. Use a notebook of some sort because its way too much to remember.

Not sure why pump cams were changed. Too many variables.
Don't really care about the secondary side for this. But primary side, stay with whatever. Does the white work OK for more rapid throttle opens, like leaving a traffic light briskly? (not spinning tires, just in slight hurry brisk, LOL). If so, stay with it, if not go back to blue. 'Cause if not, that will annoy the heck out of you while driving,