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venting a banjo rear end?

Discussion in 'The Hokey Ass Message Board' started by sephgato, Dec 25, 2007.

  1. sephgato
    Joined: Dec 15, 2005
    Posts: 699

    from fenton

    I am running a hot rod works open drive conversion on my 37 banjo and I know I hav eto vent it and I also know that this is a dumb question but, do I need to take the rearendoff the car and disassemble it prior to drilling to avoid any shavings getting in it or would it be okay if I drilled it in a step fashion (start really small and gradualy get bigger) with it left in place?
  2. Phil1934
    Joined: Jun 24, 2001
    Posts: 2,717


    Replace a bolt with Hotrodworks hollow bolt with vent
  3. uncle max
    Joined: Jan 19, 2006
    Posts: 906

    uncle max

    I tried the hollow bolt and it threw grease everywhere. Ended up drilling and tapping for 1/8" npt and used a screw-in vent at about 10:00 o'clock, 6" away from flange on left side; this keeps it away from the eggbeater action of the ring gear. Use a glob of heavy grease on your drillbit to catch the shavings, you'll be fine. Three years, no leaks.
  4. butch27
    Joined: Dec 10, 2004
    Posts: 2,848


    I've got one from Hot rod works?? How did it throw grease out of that TINY hole? I like YOUR way.

  5. Tulsa oldskool55
    Joined: Dec 15, 2006
    Posts: 83

    Tulsa oldskool55

    You can buy magnetic drill bits from your tool guy.
  6. HotRodWorks
    Joined: Dec 6, 2005
    Posts: 354

    Alliance Vendor

    We had mixed results with the "vented bolt". We recommend installing the vent outboard of the differential bearings.

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