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Projects Fuel in flathead Carb boiling

Discussion in 'The Hokey Ass Message Board' started by JLford, May 25, 2015.

  1. JLford
    Joined: Aug 12, 2011
    Posts: 45

    JLford
    Member
    from Sudbury

    Have a simple stock setup in a 1951 ford Victoria, flathead with a Holley 94. The only thing not stock is the dual exhaust, which means there is an exhaust pipe close to the fuel line near the drivers rear tire. The fuel in the bowl keeps boiling after the car has been turned off, leading to challenging engine starts. Any ideas on how to stop this from happening?

    Thanks!!
     
  2. Try a heat shield on the exhaust or wrap the fuel line with some (cringe) asbestos fabric.
     
  3. cbillelder
    Joined: Dec 17, 2010
    Posts: 720

    cbillelder
    Member

    Maybe you need an insulator between the carb and the intake manifold.
     
  4. Diavolo
    Joined: Apr 1, 2009
    Posts: 824

    Diavolo
    Member

  5. Gene Boul
    Joined: Feb 9, 2006
    Posts: 805

    Gene Boul

    Yep lots of things mentioned above. Obviously try to insulate the fuel line from the exhaust although flatties don't carry a lot of exhaust temp. Phenolic insulator under the carb and an electric fuel pump between the stock pump and the tank. Hook it up with a three way switch so that it is either OFF or on when starting or ON full time. Do this at the solenoid.
     
  6. prpmmp
    Joined: Dec 12, 2011
    Posts: 1,132

    prpmmp
    Member

  7. Phenolic carb spacers will help tremendously. Use a section of rubber hose between the carbs and fuel pump.
     

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