I am running a old MSD 7A with a fixed curve msd timing computer and locked out msd billet distributor, and msd 8.5 wires.
I am running a 750DP with proform body so it doesn't have a choke. I tried cupping my hands around the carb, but doesn't seem to affect the idle. 2 corner idle mixture and 30cc pumps. air bleeds are whatever comes in the proform main body. fuel pressure is 7.5 psi.
I put some gas into a spray bottle and sprayed around the base of the carb and all around the intake and nothing affected the idle. That's what make me think it may be leaking between the intake ports or into the valley pan. It doesn't smoke at any rpm. If i back the timing off at all it leans it out alot.
Once again, thanks for all your input. I appreciate it all