Where is your filter Ron? I have had similar problems out here with non Ethanol pump swill in my Dominators with .120 viton needles and seats I use a 80 micron filter between the tank and the pump and a 10 micron filter between the pump and the regulator. I did end up dropping the pressure to 5.5 lbs. after replacing the .110 viton needles per Monte Smith suggestions on here several years ago, the larger needles have more area needing more pressure to close them and they flow more fuel at the lower pressures Why not try that