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OBA -> On Board Air Mega Thread & BS

Discussion in 'Technical Chat' started by Gunshot-6A, Oct 20, 2013.

  1. Jul 15, 2016 at 3:49 AM
    #881
    Onlydad

    Onlydad Well-Known Member

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    Lots of fantastic ideas and installs in this thread. I just figured I'd add mine. Being basically "cheap" as I can be.. Years ago when I wanted OBA for my Jeep I bought an MV50 and a discounted/cheap Ryobi compressor for $50 on sale at my local hardware. I found all the parts I wanted on the compressor, regulator,shut off, blow out pin, 1.5 gal tank etc. All I had to do was swap out the compressor for the MV50 and quickly and easily and cheaply I had OBA. figured I'd share..
     
  2. Jul 15, 2016 at 12:31 PM
    #882
    916TacoTruck

    916TacoTruck BallzDeep is how I go

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    image.jpg


    New addition to the oba setup. Can watch locker psi and supply psi on one gauge.
     
  3. Jul 16, 2016 at 11:58 AM
    #883
    tan4x4

    tan4x4 Well-Known Member

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    Locker PSI seems a little high. I've heard that around 85 is ideal.
     
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  4. Jul 16, 2016 at 12:17 PM
    #884
    916TacoTruck

    916TacoTruck BallzDeep is how I go

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    Yea, book says 85-105. My old ass regulator gauge is at 95, digital say 100.
     
  5. Oct 4, 2016 at 2:28 PM
    #885
    ramonortiz55

    ramonortiz55 Not A Well-Known Member

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    I notice you guys use a different variety of tank sizes.

    2 - gallon
    3 - gallon
    1.5 - gallon
    5 - gallon

    are you guys happy with tank size with respect to filling tires and running air tools?
     
  6. Oct 4, 2016 at 2:46 PM
    #886
    Squeaky Penguin

    Squeaky Penguin Nothing Ventured, Nothing Gained

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    I'm using the main tube of one of my sliders as an air tank. My calculations have it at 1.3 gallons.

    Not enough air to do anything with, and is annoying to fill when you want to use a locker. First tire airs up slightly quicker. If I weren't running an air locker, I would consider a larger tank.
     
  7. Oct 4, 2016 at 2:48 PM
    #887
    ramonortiz55

    ramonortiz55 Not A Well-Known Member

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    so that eliminates the 1.5 gallon for meeh
     
  8. Oct 4, 2016 at 2:53 PM
    #888
    el topu

    el topu Well-Known Member

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  9. Oct 4, 2016 at 3:00 PM
    #889
    samiam

    samiam Always here, never there

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    I use a 1 gallon tank. It gives a quick burst from 20 - 30 lbs, then all compressor from there, but it refills quickly while moving from tire to tire.
     
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  10. Oct 4, 2016 at 3:42 PM
    #890
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    My small tank(I don't recall size) works fine for locker. Air it up and compressor doesn't run all weekend.
     
  11. Oct 11, 2016 at 11:58 AM
    #891
    ramonortiz55

    ramonortiz55 Not A Well-Known Member

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    So I think im going to pull the trigger on an OBA setup. I believe I'm already halfway there - Figure I get some critiques from you guys:

    I already have a compressor installed for my rear locker -



    The compressor and the small tank already have a pressure switch, which is the one that came with the ARB compressor:

    upload_2016-10-11_13-53-0.jpg

    It is rated at shutting off at 145 PSI - which is okay with me.

    Since I already have that pressure switch, I wouldn't NOT this puppy:

    [​IMG]

    I only plan to run a hose from a spare port on the ARB compressor 'mini - tank' using ARB air line hose and fittings I have laying around to a via air 2.5 gallon tank.

    ARB Air hose fitting:

    [​IMG]

    Extra ARB hose I have laying around:

    upload_2016-10-11_13-52-44.jpg

    and then run my plumbing to:

    [​IMG]

    Is this thought process sound?

    Would there be an issue with me using the ARB pressure switch VS the pressure switch from VIAIR?
     
  12. Oct 11, 2016 at 12:08 PM
    #892
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    This puppy is not a pressure switch. Just an air valve. You're toggle switch opens and closes the valve.
    The pressure switch is the piece on the left with 2 spade connectors.
     
  13. Oct 11, 2016 at 12:09 PM
    #893
    Speedo

    Speedo Well-Known Member

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    ARBs are built in I believe. Having two would be pointless. you wont need the viair one. but using that solenoid(the arb air valve) might be useful. You could turn off/on the air two the tank with a switch. That makes me think. I might have two re do my pumping this way. but back to you. your pumping for the tank make sure to put a relief valve on it as well as a drain.
     
    Last edited: Oct 11, 2016
  14. Oct 11, 2016 at 12:09 PM
    #894
    ramonortiz55

    ramonortiz55 Not A Well-Known Member

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    wait! you're right! That was the wrong picture lol
     
  15. Oct 11, 2016 at 12:10 PM
    #895
    Squeaky Penguin

    Squeaky Penguin Nothing Ventured, Nothing Gained

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    That hose is too small to fill up your tank. I believe the port on that mini tank where the pressure switch is is 1/4" NPT. So get a T and go off that. I'm running 3/8" OD air line and PTC fitting I bought off Amazon and have had good luck with them.
     
  16. Oct 11, 2016 at 12:11 PM
    #896
    ramonortiz55

    ramonortiz55 Not A Well-Known Member

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    arb pressure switch - https://www.amazon.com/Air-Compress...476212998&sr=8-5&keywords=arb+pressure+switch

    Yes @Sandman614 you are correct, the pressure switch is the piece on the far left with the spade connectors. Would that suffice for my setup?
     
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  17. Oct 11, 2016 at 12:13 PM
    #897
    ramonortiz55

    ramonortiz55 Not A Well-Known Member

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    I have an extra port that is not being used on the little tank, can I just come out of there with a 3/8" OD air line?
     
  18. Oct 11, 2016 at 12:14 PM
    #898
    Squeaky Penguin

    Squeaky Penguin Nothing Ventured, Nothing Gained

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    The air locker ports are 1/8" BSP fittings. I wouldn't use them.
     
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  19. Oct 11, 2016 at 12:15 PM
    #899
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR

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    Nothing wrong with BSP threads. The 1/8" fitting though will just be a bottle neck. 3/8" line is not gonna do any better of a job @ramonortiz55
     
  20. Oct 11, 2016 at 12:16 PM
    #900
    ramonortiz55

    ramonortiz55 Not A Well-Known Member

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    Thanks for the input squeaky.

    Looks like ill be adding a brass tee into my cart and do this:

    The tee will have the pressure switch and the airline to the tank.
     

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