Camshaft Blues

That cam has an advertised operating range of 1500-6500 rpm, the converter and gears are more appropriate for a cam with a much higher rpm range but that certainly isn't the reason for your bog.

To tune your combination you need to get the timing dialed in before messing with the carb. Many many times the rich smell at idle is due to the fact that you don't have enough initial timing for the mixture to completely burn. You will find that that cam will likely want initial timing in the high teens or low 20's which will require you to limit the mecahnical advance in the distributor to keep the total around 35 degrees. Once that is sorted you can move onto the carb.