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  1. K

    78 Aisan Carburetor Idling from secondary Venturi?

    By the way, I watched Pinheads YouTube videos on how to rebuild the Aisan carburetor and they helped a lot.
  2. K

    78 Aisan Carburetor Idling from secondary Venturi?

    It is running as you described above. No fuel is visible in either Venturi until the throttle is raised above a certain level. Then it is spraying out of the primary side. I will work on the lean drop tuning method you described above. Thanks everyone for all of your help!
  3. K

    78 Aisan Carburetor Idling from secondary Venturi?

    I can't attach the pictures because of a size restriction. I will try again tomorrow morning.
  4. K

    78 Aisan Carburetor Idling from secondary Venturi?

    I pulled the carburetor and checked or fixed what was suggested above. The idle solenoid did check out okay. Blowing into the end with the case grounded allowed air through and shut it off when power was disconnected. I pulled the power supply off with the engine running and it killed the...
  5. K

    78 Aisan Carburetor Idling from secondary Venturi?

    Pics attached of the throttle/choke assembly. My apologies on the positioning of the pictures.
  6. K

    78 Aisan Carburetor Idling from secondary Venturi?

    When I took the air horn off, the old gasket was in such bad shape it was impossible to tell. It came off in very small pieces as it was removed. All off the jet holes and passages seemed to line up correctly. I suppose it is possible that a passage was covered. I made very sure that the slow...
  7. K

    78 Aisan Carburetor Idling from secondary Venturi?

    The idle solenoid does click. I am running it off of the battery as a way to test it. The needle inside the solenoid doesn't seem to move in and out but rather from side to side. Not sure if that is correct. I rebuilt the carb myself. I have a lot of experience on Quadrajets but this is my...
  8. K

    78 Aisan Carburetor Idling from secondary Venturi?

    I have a 75 Fj40 that ran great with a Holley 2 barrel, but I wanted the oem look and realiabilty offroad so I bought a 78 Aisan to rebuild. The PO had completely desmogged the truck, but I do have 12v running to the idle solenoid. The carb was dipped using Berrymans Chem Dip, the passages...
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