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What Is This Monstrisic Fuel Line?

Discussion in 'Intermediate CJ-5 and CJ-6 Tech' started by turbogus, Jun 7, 2018.

  1. Jun 7, 2018
    turbogus

    turbogus Member

    Albany, Oregon
    Joined:
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    Well, now that the ignition seems to be working well time for me to think about other P.O. issues.

    This is a hard line fuel line that's been in 'BB' since I got her and realative to it's shape and placement this is what I'm accounting longer than normal startup times.

    [​IMG]

    [​IMG]

    I'm thinking of cutting the hard line, finding a flare tool and run soft (normal) fuel line from at or near the fuel pump.

    Before I dive in does anyone have a clear photo of the stock position or better of the fuel line from the pump to the carb?
     
  2. Jun 7, 2018
    Focker

    Focker Ran when parked... Runs while moving. Staff Member Sponsor

    Tri-Cities WA
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    What engine?
     
  3. Jun 7, 2018
    timgr

    timgr Jeepin' Nerd Sponsor

    Medford Mass USA
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    Looks like a V8 ... likely a 304 or 360 AMC. Distributor is in the right place. Right forum for an AMC.

    The original fuel line curves like that to support the canister fuel filter above the manifold. Let me see if I can find a picture.
     
  4. Jun 7, 2018
    timgr

    timgr Jeepin' Nerd Sponsor

    Medford Mass USA
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    You can kinda see it here -

    [​IMG]

    The filter inlet goes out of the picture but it curves around and goes under the filter and down over the front of the engine to the fuel pump. The line from the fuel pump to the filter inlet is all steel up to the short piece of hose to the filter. The smaller return line from the filter is also seen here.
     
  5. Jun 7, 2018
    Keys5a

    Keys5a Sponsor Sponsor

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    The length of the fuel line ( at least within 1' extra length) will have no effect on harder starting. The fuel is under a few lbs pressure feeding the carb, and as long as the carb bowl has fuel, the fuel will be drawn though the carb as soon as you begin cranking. It is possible for the fuel bowl to leak down when parked for several hours or more, and may require more cranking to refill the bowl before starting, but and extra foot or two of line will have no real effect on this.
    -Donny
     
  6. Jun 8, 2018
    turbogus

    turbogus Member

    Albany, Oregon
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    'Black Betty' is a '78 but who knows what year of motor, it's a 360 that a P.O. stuck in there.

    Right on, that pic makes sense to me Tim thanks Donny and Tim for setting me straight!
    My AFB fuel inlet is 90* different being on the starboard side but I can accomodate that.
     
    Last edited: Jun 8, 2018
  7. Jun 10, 2018
    turbogus

    turbogus Member

    Albany, Oregon
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    Thanks again for that photo, with the help of some Thailandese fuel line (Autozone had neither Gates or Goodyear) I got mine to as close as O.E. as I could;
     
  8. Jun 10, 2018
    turbogus

    turbogus Member

    Albany, Oregon
    Joined:
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    After obtaining a photo of the O.E. location of the fuel filter and lines with the help of some Thailandese fuel line (Autozone had no Gates or Goodyear) I did my best to relocate what I had from the P.O.

    [​IMG]

    [​IMG]

    [​IMG]

    I'm thinking that with the feul filter up higher it would trap fuel that would ease startup, whereas before below the intake manifold the fuel may have drianed from the carburator back to the filter.
     
  9. Jun 11, 2018
    turbogus

    turbogus Member

    Albany, Oregon
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    I found some Gates at NAPA the following day so I replaced that fuel line, especially because that return line runs over the top of the distributor now.
     
  10. Jun 12, 2018
    turbogus

    turbogus Member

    Albany, Oregon
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    'BB' fired right up this morning after sitting for a few days. Glad to see that. Funny thing, in the shop where I'm taking 'BBB' my '96 GMC there's a '78 FSJ Wagoneer (same year as 'BB') and I noticed that the seemingly stock fuel filter had no provision for a return line. Just a through and through filter.
     
  11. Jun 12, 2018
    timgr

    timgr Jeepin' Nerd Sponsor

    Medford Mass USA
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    Should be there. Owners do odd things sometimes.
     
  12. Jun 13, 2018
    turbogus

    turbogus Member

    Albany, Oregon
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    I heard that Tim :)
     
  13. Jun 17, 2018
    turbogus

    turbogus Member

    Albany, Oregon
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    For the first time ever, 'BB' started up without have to resort to pumping the gas. Just once to set the choke and on the second try she started right up. :)
     
  14. Jun 18, 2018
    turbogus

    turbogus Member

    Albany, Oregon
    Joined:
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    Yesterday I rolled the choke two clicks richer and it's now spot on, not prematurely going to low idle and not lingering too long on fast. It's working seamlessly. [​IMG]

    [​IMG]
     
    Last edited: Jun 20, 2018

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