if your needle valve is worn, you would most likely have gas pouring out all over the exhaust. You would get no benefit from pumping the gas pedal if there is no fuel in the carburetor. If you don't have sufficient fuel to start after 2 or 3 pumps of the pedal there would be no reason to continue for 30 seconds. (just look down the carburetor throat while actuating the linkage and you should see a stream of fuel coming out, if not you have no fuel in the carb or the accelerator pump isn't working) The needle valve may be STICKING in the closed position, and not allowing fuel into the carb, but there should be some left from the day before, although on hot days, combined with engine heat, it could evaporate pretty quickly. You don't use thread sealer on double flare fittings, that is what the flare is for. There is also the possibility you have something stuck in the valves of the fuel pump, it only takes a piece of rust the size of the period at the end of this sentence to shut you down. Then there is the ever present possibility you got a bad pump, there was one fella recently that went through 3 out of the box pumps before he got a good one. I can't believe you still think you would actually get what you are paying an outrageous price for in this day and age. One last thing, did it start immediately after the pump change?
Last edited by brokenhead; 07/03/2013 7:11 AM.
