Idle drop by 500 rpm?

George Jets said
Would think you would want your rear secondary blades closed.

That is certainly going to affect your idle ciruit if they are slightly open at idle.

Want to do all of your idle tuning on the front primaries and idle circuit richment screws.

Base timing seems aweful high?

Yessir, seems high as heck to me..don't need Detonation! I had one of the Ehrenberg distributors in there and when I mapped it out with a timing light I found out it was adding too much so I had one curved. Was running points in the Sat