i just brought a 400/512 engine big block.everything is new.timing at 34-36 locked,holley 1050 brand new carb from thumper.using 91 pump gas 10.5 compression.i went over this so many times..,check valve adjustment,took apart thumpers carbindy intake,total flow 270 heads.everything brand new.7 psi fuel pressure.engine wont idle no matter what i do to the carb.and headers glowing red.i brought this motor of hoping to go racing one more time in my life.i have that red 71 dart for sale in the for sale section.couldnt sell the car so i got a motor for it.now have 25k in this car.and all this