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Hot Rods I need help from the Aussie's

Discussion in 'The Hokey Ass Message Board' started by drumyn29, Oct 18, 2022.

  1. drumyn29
    Joined: Feb 16, 2006
    Posts: 2,279

    drumyn29
    Member

    I have two Australian BXOV-2 carbs on my Ute and I need accelerator pump plungers for them. Does anyone gave any connections on where I could find parts?

    I had them built in Australia and both American carbs parts dealers that I found only have the larger plungers.

    I mostly need the leather cups actually.

    Stromberg 385401


    tempImageJYFjtl.png IMG_3518.jpeg tempImageyMAPM6.png
    IMG_5608.jpeg
     
    KiWinUS, 34 GAZ and a bloke like this.
  2. Reidy
    Joined: May 13, 2016
    Posts: 232

    Reidy
    Member

    mgtstumpy and Budget36 like this.
  3. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    Two options for you.

    If you want brand-spanking new ones, these guys can sell them to you:
    Carburettor Service Company
    240 Parramatta Road Burwood NSW 2134
    Telephone +61297474066.

    If you don't mind second-hand ones, I have plenty that you are welcome to for free. Send me your name and address and I'll post some to you, gratis.

    Cheers,
    Harv
     
  4. Normally something small would be sent in a bubble envelope but not to long ago i read somewhere that parts in envelopes to U.S.A. are a no-no. Must be a parcel with customs declaration.
     
  5. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    My local post office is tolerant of the stupid **** I post, and help me with the rules (had them scratching their heads when I posted a couple of hundred individual grey motor head gaskets :D). If drumyn29 wants them, I'll check with them before I post it the wrong way and end up on some kind of watch-list.

    Cheers,
    Harv
     
    kadillackid and OzMerc39 like this.
  6. drumyn29
    Joined: Feb 16, 2006
    Posts: 2,279

    drumyn29
    Member

    SOLD!!!!!
    I insist on paying you for the used ones.
     
    firstinsteele and kadillackid like this.
  7. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    No problem. PM received, will post them to you when I get home from work.

    Cheers,
    Harv
     
  8. kadillackid
    Joined: Nov 11, 2006
    Posts: 638

    kadillackid
    Member

    you Aussies are alright :rolleyes::)
     
    lumpy 63 likes this.
  9. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    Quick check please.

    In the early model BX carbs, the float bowl was not externally vented (the vent was made through the air horn). Later carbs were fitted with idle vent valves (sometimes referred to as anti-percolator valves). The idle vent valves ***embly is shown in the left image of the diagram below. It consists of a seat fitted into the top of the air horn directly above the accelerator pump stem. The valve seat is fitted with a valve stem and spring from underneath, then a valve “washer” is screwed on from above. The aim of the idle vent valve is to vent buildup of vapours that form in the float chamber during idle under hot conditions, as this type of percolation (fuel boiling) in the fuel discharge system can cause poor idle and hard hot-starting. At idle, the accelerator pump stem rises upwards, and opens the valve. When moving away from idle, the accelerator pump stem drops downwards, allowing the idle vent valve to close. Later model carbs tend to vent the fuel bowl through a carbon canister to minimize emissions and have a different idle vent valve.

    Do your carbs have an idle vent valve, similar to the middle image in the diagram below?

    Idle air vent.png

    The reason that this is an important question is that the accelerator pump stems are different. If there is a vent valve, the pump stem has is bit longer. The pump stem shown in the right image above has an extra "knob" (circled in green) to extend the length. If you are rebuilding a carb with the idle vent valve, you leave the knob in place. If your carb does not have an idle vent valve, you snap the knob off.

    If your carb has an idle vent valve, I will need to find you an accelerator pump that still has the knob.

    Cheers,
    Harv
     
    lumpy 63 likes this.
  10. drumyn29
    Joined: Feb 16, 2006
    Posts: 2,279

    drumyn29
    Member

    No idle vent valve
    Screen Shot 2022-10-26 at 4.51.45 PM.png
     
  11. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    Coolio. That will make it easier to find some accelerator pump stems in my stash.

    Aiming to get them into the post for you on Monday.

    Cheers,
    Harv
     
  12. Beanscoot
    Joined: May 14, 2008
    Posts: 3,637

    Beanscoot
    Member

    Boy, a tech article on how to form leather cups from a piece of offcut leather would be neat...
    Anyone?
     
  13. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

  14. Beanscoot
    Joined: May 14, 2008
    Posts: 3,637

    Beanscoot
    Member

    Thanks for the link, Harv. Some good info from Carb King himself.
     
  15. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    Posted off for you today via Aussie Post. Have PM'd you the tracking number. Let us know how you go.

    Cheers,
    Harv
     
    trevorsworth likes this.
  16. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    A quick check-in. Did the pair of pump stems I sent you solve your problem?

    Enquiring minds want to know

    cheers,
    Harv
     
    X38 likes this.
  17. drumyn29
    Joined: Feb 16, 2006
    Posts: 2,279

    drumyn29
    Member

    You saved the day and might be helping others down the road.

    I installed yours and then sent my junk ones off to a local American carb parts guy on the H.A.M.B so he can reproduce that style.

    AUSSIE'S RULE!!
    Screen Shot 2022-12-04 at 8.53.56 AM.png
     
    X38 and firstinsteele like this.
  18. Harv
    Joined: Jan 16, 2008
    Posts: 1,469

    Harv
    Member
    from Sydney

    Nice outcome :) Glad to help.

    Cheers,
    Harv
     
    Budget36 likes this.

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