I know the car type don't matter....BUT... My 68 galaxie 390 came to me insanely over mechanically cam'd like 305 in duration. The monkey on the fender with the fire hose squirting gas into the plenum was fired. His name was as usual "Holley"(AND THERE WAS NO TAMING THE SMOKE). Having had better luck with edelbrock I put a 650 AVS2 on. Tech said that would run sub 400 cubes at 6000 rpm all day. and fine it does. HOWEVER... One spring size pukes smoke. One leaner and it won't climb a hill and plugs is way lean. Since this started I've replummed only to find same each time I know its carb
THOUGHTS?
THOUGHTS?