Eddy 650 AVS vs. Holley 650 DP

I think part of my poor milage is that I can't keep out of the pedal. I have the Holley tuned really good and it will start and idle cold with out a choke or pumping it to start. I will do the Eddy comparison and report back. Since it is only driven on the street, I will do my best tuning the Eddy.