Have the carbs been rebuilt? You might want to check the floats/needle valves for proper adjustment. If the needle valve can't open, no feul will be able to get in.
That said, I'm more inclined to beleive that you might actually have an ignition issue. It sounds like the base timing is off, perhaps too far retarded. It's not unusual for that problem to be blamed on a "lack of feul".
Last edited by LONGBOX55; 12/24/2012 10:37 PM. Reason: spellin'
