Twin h fuel blocks

stevepet
stevepet Member
in HUDSON
Hello
Does anyone one know the dimensions of the twin h fuel blocks thread sizes etc trying to find something in Australia.

Thanks

Steven

Comments

  • bob ward
    bob ward Senior Contributor
    Fuel blocks? If they are tapered pipe threads they will be NPT, not common in Oz but findable. Similar to BSPT but usually a slightly different TPI.
  • cheyenne7271
    cheyenne7271 Member
    It’ll be 1/8” NPT where it threads into the carb, then it’s 5/16 flare
  • Doctorvaux
    Doctorvaux Member
    That is a coincidence I have just taken delivery of the following from Rockauto:


    This is 1/8 NPT male to 5/16 pipe thread (1/2 x 20 UNF) elbow, to fit the rear WA1 carb on a twin H set up.

    Delivery to the UK was only a couple of days, maybe they ship to Oz too.  I ordered up a number of other things from Rockauto as well, so well worth browsing through their listing for Hudsons.

    Hope this helps.  Regards, Brian.

  • ratlee2
    ratlee2 Expert Adviser
    edited March 2022
    If you are talking about the tee.  It is 1/8" male npt at the carb and two female to 5/16" inverted flare (1/2 x 20 UNF).  I had difficulty finding them even online.
  • 50C8DAN
    50C8DAN Senior Contributor
    edited March 2022
    I scrapped the stock fuel lines and put in stainless steel Swage fittings.  
  • stevepet
    stevepet Member
    Found some at a hydraulic parts supplier

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