Register now to get rid of these ads!

Technical Electric Fuel Stop

Discussion in 'The Hokey Ass Message Board' started by desotot, May 15, 2017.

  1. desotot
    Joined: Jan 29, 2008
    Posts: 1,877

    desotot
    Member

    So I have a problem with a model A I recently acquired. The fuel tank is upright behind the rear seat in a 31 Tudor with a mild rake. I noticed that the fuel is gravity feeding to the carb when it is parked. The electric fuel pump doesn't hold back the fuel so if the carb leaks it fills up the crank case with gasoline. (blown power valve on a holley.) Is there a residual pressure type valve or an electric shut of valve available or should I install a manual petcock inline. Has anyone else had a similar problem and what did you do.Thanks Jack
     
    chryslerfan55 likes this.
  2. you need a new needle and seat.
     
    1927graham likes this.
  3. Sheep Dip
    Joined: Dec 29, 2010
    Posts: 1,572

    Sheep Dip
    Member
    from Central Ca

    desotot likes this.
  4. desotot
    Joined: Jan 29, 2008
    Posts: 1,877

    desotot
    Member

    thanks SD, I think that's what I need to do. I can't trust a whole bunch of gallons of gas and gravity to a needle and seat.
     

  5. inthweedz
    Joined: Mar 29, 2011
    Posts: 446

    inthweedz
    Member

    The fuel shut off valve in a dual fuel (LPG) vehicle is what you want, looks the same as the unit above, but has a manual bypass tap if needed..
     
    desotot likes this.
  6. desotot
    Joined: Jan 29, 2008
    Posts: 1,877

    desotot
    Member

    Would any one have a brand name and part # for the part inthweedz refers to ?
     
  7. gimpyshotrods
    Joined: May 20, 2009
    Posts: 18,676

    gimpyshotrods
    ALLIANCE MEMBER

  8. greybeard360
    Joined: Feb 28, 2008
    Posts: 1,811

    greybeard360
    Member

    Blown power valve won't cause that. It can cause it to be rich while it is running. You have a float and or a needle and seat problem.

    Sent from my Moto G Play using The H.A.M.B. mobile app
     
    54vicky likes this.
  9. AZbent
    Joined: Nov 26, 2011
    Posts: 272

    AZbent
    Member

    The general aviation world has lots of shutoff valves for fuel. When I was working at restoring Luscombe airplanes, we sold a lot of the valves. A quarter turn and the valve was either open or closed.
     
  10. inthweedz
    Joined: Mar 29, 2011
    Posts: 446

    inthweedz
    Member

    Hey desotot, do a search on evilbay, '' 12v lpg fuel shutoff solenoid'' they are listed there..
     
  11. desotot
    Joined: Jan 29, 2008
    Posts: 1,877

    desotot
    Member

    Thanks guys, I called a local propane conversion shop and they have the valves in stock so I will grab one today. I changed out the carb for a new one but I won't trust a needle and seat to a gravity feed fuel system. Unless I build a custom intake and use 8 updraft carbs.
     
  12. Ebbsspeed
    Joined: Nov 11, 2005
    Posts: 5,604

    Ebbsspeed
    ALLIANCE MEMBER

    A small bonus for a manually operated shutoff is that it may foil a theft attempt.
     
  13. flatheadpete
    Joined: Oct 29, 2003
    Posts: 10,211

    flatheadpete
    Member
    from Burton, MI

    My Ford 9N tractor has a manual fuel valve on it. 2 Turns and it runs off the primary fuel. 5 turns and it runs off the reserve fuel.
     
  14. jimmy six
    Joined: Mar 21, 2006
    Posts: 9,990

    jimmy six
    ALLIANCE MEMBER

    Nitrous oxide systems guys sell them. A great theft device too.
     

Share This Page

Register now to get rid of these ads!

Archive

Copyright © 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Terms of Service. Privacy Policy.

Atomic Industry
Forum software by XenForo™ ©2010-2014 XenForo Ltd.