Power valve

Looks like the thread is well underway and your getting good info. Follow mopers advice. And absoultely understand the cam has enuff overlap that the tail pipe will have a rich smell almost no matter what you do. But the eye burning, Yaow!

What jet size's are in there now? If for example, there 88's, try 84's.

You also need to have the vacuum gauge hooked up to the full time vacuum port and the distributor hose pulled and the port pluged.

The idle screw seem to be in very tight @ 3/4 of a turn. I see mostly 1-1/2 to 2-1/2 turns out of them outwards.