Okay, So after changing plugs, two carburetor dis-assemblies with cleanings, one with aerosol carb cleaner and the second in a good soaking in Berryman Chem Dip. I am fairly confident it's clean. Motor starts fine idles fine and and runs up fine 
...... unless you really slam it wide open :facepalm: then it falls on it's face. Does anyone know which jet or what adjustment could be made in-order to alleviate this problem. Seems like other than stalling when "floorboarded" so to say, it seems to be running great.
Thanks!
...... unless you really slam it wide open :facepalm: then it falls on it's face. Does anyone know which jet or what adjustment could be made in-order to alleviate this problem. Seems like other than stalling when "floorboarded" so to say, it seems to be running great.Thanks!