572, 15-1 34 degrees fixed. Big plenum. Cold, pump 3 times. Let it set 30 seconds. throttle cracked. Crank with ignition on 2 revolutions or less. Warm 1 pump same scenario. Very warm, no pump. Starts in less than 1 revolution. Very cold gets a cloth fender cover over the carbs.
Doug

Last edited by dvw; 01/28/22 09:00 AM.