help adjusting carb

Smells rich? Does it smell like CO or excess Hydrocarbon? A hint, if you can smell it, it is hydrocrbons. But it could be from poor ignition at idle due to a lean mixture, it happens. But smelling the tailpipe is a pretty inaccurate method of tuning an engine.

Does the engine idle smoothly?

How many turns out are the (IDLE) mixture screws now?

DO YOU HAVE, AND HAVE YOU READ THE OWNERS MANUAL FOR YOUR CARB?

To answer your first question, the BEST way to tune the carb is correctly. Now a 1406 Edelbrock should run pretty well on a mild 360 in it's stock configuration. And 99% of carb problems are ignition related (or owner caused).