rich exhaust smell

I agree with the cheif there. The larger the cam, the more of a pain it is to get it to NOT to smell at idle. This is where a 4 corner idle system and adjustable bleeds etc..... come in.

Keep at it. Your cam isn't that large. A helpful device is a 02 sensor. I do realize not everyone can afford a nice brand new dual sensor LMN or whatever they call it. But even a realitively inexpensive unit like an Edelbrock or K&N 02 sensor can help alot.
There retailing under $150 bucks.

A quick glance at any rpm, hopefulllly by your passenger co-poilt will tell you where you stand on the balance of air and fuel.