750 Holley or Proform?

its a 318 with keith black pistons. I have eddy rpm heads on it so the compression is right around 9.5:1. I have a regulator on it and have the pressure set right at 6 psi. I am not sure what the timing is at because I dont have a timing tab on it but I have it set where it runs at peak performance. but I have messed with the timing so much and in such small increments but it burns rich no matter where I put it or how much I jet it down. The one time it didnt burn real rich is when I put it 3 stages lean but as soon as I would even touch the gas it would fall on its face and starve the motor.