If you want a little attitude in the idle fatten up the idle mixtures and set the base timing to like 2-3* BTDC. That'll give it some rumble rumble while idling.
Regarding cam; for me it's choose the cam I want first, then build everything around it.
Not me as I do it like Dwayne said. I have an idea on some cam specs but I build the eng first (on paper) as I want to know about the head flow and comp and fuel and then last have a cam ground to work best with what you build. Thats just me as the eng in my car now I knew was going to be pump gas and Dwayne (Fast68Plymouth) made me a custom flat tappet to work great with my pump gas combo and I also bought my heads from him so he knew what they flowed. I feel you can fine tune the combo with the cam choice being last even though I may have a good idea about what I want to use. Ron
