Good to hear somebody tuning a Carter.
I had tried an AVS on the Colt, but wasn't having much luck.
Where it you find or purchase your numbered drill set?
I find the same condition on deceleration. But I am much leaner on cruise like 15 to 1 and then down to 13.3 or so on deceleration. Its the lack of air with butterflies closed and excess fuel burning off.im believing it is normal.