Quote:

Air fuel ratio at idle is approx 13.25, but even adjusting air mixture screw on carb I cannot get it to fluctuate much from this point.
Thought?

What's your initial timing? ported or manifold? idle speed in drive (or neutral). How many turns is the idle speed screw in from the throttle blades just closed position?

live every 24 hour block of time like it's your last day on earth