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OBA -> On Board Air Mega Thread & BS

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

  1. Aug 26, 2021 at 1:34 PM
    #2201
    Redline870

    Redline870 Well-Known Member

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    This is probably my favorite setup I've seen yet.

    I don't like the expedition essentials mount despite using dead space that I don't use for anything else because they decided to leave the top open on it and I've seen multiple posts about the whole cabinet filled with mud/dust/water. ARB compressors are expensive, I don't want it failing prematurely.

    I don't like the under hood mounts because it takes the space where a dual battery setup would go.

    I don't like the R4T option of mounting it in front of the radiator as I imagine it would diminish performance of the radiator's ability to cool the engine.

    This setup looks very clean and uses a spot not used for anything else. Do you have a parts list by chance? Do you know if this setup could mount an ARB single? I don't have lockers and have no need to duals, I just want to air up tires.
     
  2. Aug 26, 2021 at 1:39 PM
    #2202
    Redline870

    Redline870 Well-Known Member

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    The setup where you have the quick disconnects looks awesome, I really like it!
     
  3. Aug 26, 2021 at 2:02 PM
    #2203
    ClassyTacos

    ClassyTacos Wait what.

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    Thank you very much, I appreciate the kind words.
     
  4. Aug 26, 2021 at 3:36 PM
    #2204
    bagleboy

    bagleboy Well-Known Member

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    You need a lot more air for tires than for lockers.
     
  5. Aug 26, 2021 at 5:48 PM
    #2205
    Jojee117

    Jojee117 Well-Known Member

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    Where do you guys get your wiring for the compressors? I've only ever bought small quantities of smaller gauges for other projects. I'm finding 25 ft of 4 gauge wire to be in the $50 range. Is it really going to get any cheaper than that with non CCA cables?
     
  6. Aug 27, 2021 at 4:53 AM
    #2206
    Redline870

    Redline870 Well-Known Member

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    Yeah a single compressor will still fill them fine. Instead of 3 minutes per tire, it will be 5, no big deal.
     
  7. Aug 27, 2021 at 7:07 AM
    #2207
    shiftd

    shiftd Well-Known Member

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    Thanks!

    Here is a run down of what was used. I think I've listed it all, just make sure you have a game plan before going and buying things to prevent buying something you don't need. Obviously you'll need an air compressor, in this case an ARB single or twin.

    Mounting Bracket:
    This would be the mount for that location with an ARB single. I can't confirm that this will work on your 3rd gen as I used the mount for the twin, but I did use a 2nd gen mount on my 3rd gen. The base of the two mounts looks very similar, it relocates the power steering reservoir and uses that space. Search around a bit before pulling the trigger to make sure. I've linked both, I used the one for the twin along with the linked custom bracket I picked up on TW second hand

    Single
    https://sleeoffroad.com/products/sok0001/
    Twin
    https://sleeoffroad.com/products/sok0002/
    Custom
    https://www.tacomaworld.com/threads/under-hood-vertical-compressor-mount.590585/


    Hose:
    I went with an ARB stainless one, 3.5 feet fit my needs. You could use nylon tubing but make sure you get the proper fittings if you go that route.

    https://dasmule.com/products/arb-reinforced-stainless-air-hose?variant=39259814363317


    Fittings:
    Used the elbow fitting on the compressor body and the straight fittings on the quick disconnect.

    https://www.northridge4x4.com/part/...arb-90-deg-elbow-jic4-male-1-4in-npt-male-2pk

    https://www.northridge4x4.com/part/...es/0740101-arb-adapter-1-4-npt-m-jic-04-m-2pk


    QD Coupler:
    I picked up this one, you could probably piece this together for a little cheaper if you wanted at the hardware store. I replaced the hose fitting supplied with the one above from ARB to adapt to my hose.

    https://absolute-wits-end.com/air-quick-coupler-fitting-set/

    Optionally, I also picked up one of these caps. Protects the QD and seals it shut.

    https://absolute-wits-end.com/quick-connect-air-coupler-pacifier/

    QD Mounting Bracket:
    I picked this up and rattle canned it. Also found a machine screw lying around that matches the threads of the existing hole I used to attach it I don't have a link.



    That's generally it, I used teflon tape on all the threads which I had on hand. I can provide some info on wiring if your interested but that'll be unique to everyone's individual setup. You'll also need some tools and an afternoon.

    Hope this helps
     
    Last edited: Aug 28, 2021
  8. Aug 27, 2021 at 8:52 AM
    #2208
    Bruce988jl

    Bruce988jl Well-Known Member

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    I have the ARB in the expedition Essentials bedside mount with the dust shield on top. I tried my best to box in that corner of the truck with some plastic liner material I bought. Unfortunately it still gets some dust but not nearly as much as if it was exposed.... Here are some photos of what I did and the link to the material I used. It's comforable-ish with a heat gun as well, cuts easy with shears and I punched the holes using a leather hole punch set I bought years ago. No clue how long it will last but it'll do for now and it was cheap.

    https://www.amazon.com/gp/product/B006K8HX56?ie=UTF8

    239643750_1029090467828487_8716135229979335087_n.jpg
    240679447_1979246338921222_8465688401634137024_n.jpg
    240101036_546080920011130_3436033378257219193_n.jpg
     
    ClassyTacos and shiftd like this.
  9. Aug 27, 2021 at 8:56 AM
    #2209
    Bruce988jl

    Bruce988jl Well-Known Member

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    I order all my wire from wirebarn.com and some of my thicker welding cables to the battery I actually buy off Amazon....
     
    Jojee117 likes this.
  10. Aug 27, 2021 at 9:20 AM
    #2210
    Redline870

    Redline870 Well-Known Member

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    Thanks for all the info!!
     
    shiftd likes this.
  11. Aug 27, 2021 at 9:21 AM
    #2211
    Redline870

    Redline870 Well-Known Member

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    They make a shield for the top of it? Or did you make a shield for the top of it?
     
  12. Aug 27, 2021 at 9:25 AM
    #2212
    buyobuyo

    buyobuyo Read The Fucking Manual

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    A thing or two...
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  13. Aug 27, 2021 at 9:26 AM
    #2213
    Bruce988jl

    Bruce988jl Well-Known Member

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    "Debris shield" according to them. It just covers the filter assemblies also make sure you mount it as low as possible as it rubbed against some of the support brace/ribs on the edge of the bed so I had to cut part of that part off. You can unscrew the filters with the dust cover on - it's a pain but doable...

    Yes majority of the top is still exposed to water, debris still. This only protects the filters at most. I did the splash shield/fender liner to help with that issue. Granted if I go through a deeper puddle it's all getting wet regardless...

    https://expeditionessentials.com/collections/toyota-tacoma-products

    upload_2021-8-27_12-25-44.jpg
     
  14. Aug 27, 2021 at 2:08 PM
    #2214
    Jpmurph

    Jpmurph Well-Known Member

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    Single ARB. No mount, drilled a couple holes in the sheet metal off to the side of the radiator and mounted using the plate that came with the compressor. It was tight getting in their to bolt it down but doable. I will eventually extend the air connection to a more convenient location.

    Hate how the wiring looks but I guess i'm the only one that will see it.

    Now off to find the filter and cap that I misplaced during install...
    20210827_102409.jpg 20210827_102417.jpg 20210827_102404.jpg
     
    shiftd likes this.
  15. Sep 25, 2021 at 6:49 PM
    #2215
    Chukwithak

    Chukwithak Active Member

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    Hey guys, air fittings are a different language to me. I installed my compressor with a SLEE mount in the passenger corner. Attached is the manifold. I would like to run an airline along the the passenger side up front through the radiator area and grill and mount on my bumper. What kind of hose do I need? Fittings? Been trying to look at Amazon, but I feel like I keep getting fuel lines.
     
  16. Sep 25, 2021 at 7:10 PM
    #2216
    bagleboy

    bagleboy Well-Known Member

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    You can use 1/4” air line(1/8”ID) or air tool hose in a variety of sizes. Not wild about ptc (push to connect) fittings for storing pressurized air but it’s fine for fills. If you use compression fittings then you need to use brass inserts and nylon compress sleeves instead of brass sleeves when using flexible tubing. If you go with barbed fittings be sure to use wire ring clamps instead of band clamps which don’t work too well on small tubing sizes.
     
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  17. Oct 11, 2021 at 6:57 AM
    #2217
    bellassaiw10

    bellassaiw10 Formally afroman5015

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    I used 1/4” DOT hose and push to connect fittings. Been holding hair for over a year now no leaks also had PTC fittings on my old truck with train horns also no issues.

    TAILONZ PNEUMATIC Male Elbow 1/4 Inch Tube OD x 1/4 Inch NPT Thread Push to Connect Fittings PL-1/4-N2 (Pack of 10) https://www.amazon.com/dp/B07P7BFZ6T?_encoding=UTF8
     
  18. Oct 12, 2021 at 4:04 PM
    #2218
    Blktacopro

    Blktacopro Member

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    I was on the AP off-road website and saw that they have a harness that can hold two independent switches for the arb dual compressor.

    “Unlike the competitors, each harness comes standard with wiring for both compressor and locker solenoids. Another bonus is that the compressor harnesses include an integrated switch circuit that allows you to mount a rocker switch in the bed, the cab, or both to control the compressor. Both switches are independent of one another so the compressor can be turned on even if the other switch is in the “OFF” position. Switches are not included.”

    has anyone attempt this themselves?
     

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