this V-4 has a very complex Carburetor system and without understanding how each sub-system interacts with the whole, I am stumped. The engine starts and idles ok, but seems to have poor throttle response if lugged and if you are cruising and turn the throttle on, it will actually reduce power before accelerating. I have checked float levels (as best as one can), cleaned all four carbs, checked freedom of movement, checked TPS but could not adjust to limits (max resistance is 4680, ohms full throttle reads 1200 ohms and throttle closed is 4300 ohms) and ballanced the carbs. Fuel pump seams to work, choke seams to work. Any ideas??