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On board air

Discussion in 'Technical Chat' started by josh3972000, Feb 13, 2009.

  1. Feb 13, 2009 at 12:56 PM
    #1
    josh3972000

    josh3972000 [OP] Well-Known Member

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    I am in the middle of getting everything ready for a cheap oba set up, plan on installing this weekend, I have the MV 50, But I do have one question, any of you guys have good ideas on were to mount the compressor? I am thinking of an external tank as well.

    I will post a complete walk through of my installation after the weekend.
     
  2. Feb 13, 2009 at 2:18 PM
    #2
    silver07taco

    silver07taco Well-Known Member

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    I have mine in my tool box. Alot of people mount them under the hood also, I have a 2.5 tank under the bed with the outlet run up the the storge boxs on the side of the bed.
    [​IMG]
    [​IMG]
     
  3. Feb 16, 2009 at 4:03 AM
    #3
    RCBS

    RCBS "Cause I'm mighty proud of that ragged old flag."

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    nice setup Silver. plan on getting a 450c setup in the near future. i noticed you picked the spot in the back to mount the tank...can it be put up towards the front of the bed? i would rather have it towards the cab, to keep it out of rear wheel spray.
     
  4. Feb 16, 2009 at 1:21 PM
    #4
    SocalMan22

    SocalMan22 Founder Socaltacomas.com Staff Member

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    What Mods!
    Nice setup fellas!
     
  5. Feb 16, 2009 at 1:39 PM
    #5
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the Taco's.... new truck is pretty stock
    I really want to get an onboard air setup except they're damn expensive for a good one. I was looking at getting a Viair 380 compressor and 2.5 gallon tank, or considering a CO2 air system as well. Anyone have any solid reasons to go either way? I like the portability of the CO2 and the constant hi pressure supply(and its a bit cheaper initially) but with the compressor you never have to pay for tank refills. I'm just a bit confused on which one to get.
     
  6. Feb 16, 2009 at 4:46 PM
    #6
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the Taco's.... new truck is pretty stock
    Thanks for the links silverback, looks like building a 10lb setup through those would run about $185 whereas a "source" air tank system through trdparts4u is about $220 and 240 through wheelersoffroad.com and that includes the air hose and a mounting bracket for the tank. The "powertank" brand systems are far more expensive for basically the same thing, so I'd get one of those "source" systems instead. One question on these systems that maybe you could answer- If I added ARB air lockers to my truck, could I just setup the CO2 system to fill a small on board air tank to power the lockers?
     
  7. Feb 16, 2009 at 4:50 PM
    #7
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the Taco's.... new truck is pretty stock
    In what way do you mean a better regulator? More PSI, or flow, or....?
     
  8. Feb 16, 2009 at 5:21 PM
    #8
    silver07taco

    silver07taco Well-Known Member

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    Im about to buy an ARB for the rear what do you mean without a gauge you can damage them?
     
  9. Feb 16, 2009 at 5:30 PM
    #9
    silver07taco

    silver07taco Well-Known Member

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    O ok, Thanks
     
  10. Feb 16, 2009 at 5:36 PM
    #10
    silver07taco

    silver07taco Well-Known Member

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    Ive hurd 100 and now 95 psi, So I dont know guess I find out here soon:D
     
  11. Feb 16, 2009 at 7:35 PM
    #11
    ForeRunner

    ForeRunner BBC. Bring Back Clarkson Staff Member

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    I'm running the ARB CKMA12 High output air compressor on the FJ. It is rated as a 50% duty cycle (30 min on/30 min off). I have found that I can air up all 4 of my 265/75 16's from 15psi to 36psi in 12 minutes. The good thing about the ARB CKMA12 is that on the unit itself there are 2 ports for the ARB air locker solenoids. The kit comes with a complete wiring loom with switch, connectors and a 100psi pressure switch and the install is pretty straight forward.

    Link to my build and picture of ARB compressor installed (6th pic down)

    Edit. TRDPARTS4U has the ARB CKMA12 for $225 and free shipping. Due not that the picture on the website is not the CKMA12.
     
  12. Feb 16, 2009 at 9:30 PM
    #12
    LonghornTaco

    LonghornTaco Can you pass the bailout please?

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    Are you running an air tank with this compressor or just the compressor?
     
  13. Feb 16, 2009 at 9:50 PM
    #13
    ForeRunner

    ForeRunner BBC. Bring Back Clarkson Staff Member

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    Compressor for now. Finishing up work on a 3.5 gallon tank. Don't know if I'll keep it though. Compressor is fine for me.
     
  14. Feb 16, 2009 at 11:25 PM
    #14
    Janster

    Janster Old & Forgetful

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    Check your suspension compression /setup etc.

    Just throwing this at ya.... I had a similar sized tank (so it appears anyway) mounted above my axle on my jeep. Went to Tellico, broke a shock mount.... and my rear suspension compressed farther than normal and the diff hit the tank and the tank bent the floor upwards pretty good.

    Needless to say - I ended up putting a longer & shorter tank in the same location.
     
  15. Feb 17, 2009 at 6:57 AM
    #15
    Bill Brasky

    Bill Brasky Well-Known Member

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    If I were to do it again, I would skip the whole tank setup and go with just a high-CFM (6 or 7) compressor like an Oasis or an Extreme Air. Regulate it down for lockers and use it full out to fill tires. Don't really need a tank...and it would run air tools.

    C02 bottles have a tendancy to run out of C02 at the very worst possible time...like on the trail. A compressor keeps on keeping on and is a one-time investment. It gets hectic enought trying to get ready for a trip out...the last thing I need is something else to worry about being done before I head out...like getting the C02 bottle topped-off.

    BTW- it's 80 psi for ARB lockers. 95-100 is a maximum condition. If you shoot 140 psi through your diff, it will blow the seals out, no ifs, ands, buts or maybes about it...it just will.
     
  16. Feb 17, 2009 at 8:00 AM
    #16
    LonghornTaco

    LonghornTaco Can you pass the bailout please?

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    Are you sure about that? You sound kinda iffy on the subject... :p
     
  17. Feb 17, 2009 at 8:28 AM
    #17
    Bill Brasky

    Bill Brasky Well-Known Member

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    lol, I have the bad seals to prove it.

    I was told you could run 110/120psi w.o a problem...but putting that into practice proved otherwise.
     
  18. Feb 17, 2009 at 2:01 PM
    #18
    silver07taco

    silver07taco Well-Known Member

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    BTW- it's 80 psi for ARB lockers. 95-100 is a maximum condition. If you shoot 140 psi through your diff, it will blow the seals out, no ifs, ands, buts or maybes about it...it just will.[/quote]

    Thanks for the tip:D
     
  19. Feb 19, 2009 at 8:34 AM
    #19
    Zombie Runner

    Zombie Runner Are these black helicopters for me?

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  20. Feb 19, 2009 at 8:39 AM
    #20
    LonghornTaco

    LonghornTaco Can you pass the bailout please?

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    Am I missing something? Is an OBA setup really this cheap? I was thinking that to do it right was gonna cost somewhere in the neighborhood of $700-$800... Just thought it was more expensive. Compressor, couple hundred. Air tank, less than a hundred...
     
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