Dominion Offroad (Jeepswag) OBA - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 7 Old 08-02-2011, 11:18 AM Thread Starter
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Dominion Offroad (Jeepswag) OBA

So I finally finished up my OBA set up. I used the Jeepswag complete kit minus the compressor. I opted to modify the Vair 300P portable compressor I already had due to its CFM of 2.40 being pretty darn close to the 400C offered in his kit at 2.56 CFM both at 0psi. So with that if you plan to go with a OBA eventually but are on a budget and wanting a cheaper portable this one has worked great for me for the past two years and can easily be modified for a OBA setup.

Install was pretty straight forward with any questions being answered with the direction or a video on the Dominion Offroad website. Ok and maybe I made a call or two to Brett when I was overlooking the obvious.

I opted to use my own fancy Carlington switch but the kit does come with a on/off switch. I decided to mount the in cab pressure gauge on one of the blank slots on my lower Daystar panel. I think it looks pretty neat and requires no drilling into the factory panels.

The in cab couplers are awesome and super convient to get too.

Over all its a easy install and a usefull mod.

The only thing i am still working out is getting my switch to light up when the compressor is on and finding some check valves so that when I make the 2 to 4 hose assembly air doesnt escape from other tires when disconnecting one. For now I just use one hose with a stem gauge with a lever.

This is my first write up so if it sucks sorry lol. Let me know if you have any questions or pic requests.
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Last edited by PhrogMech46; 07-03-2012 at 12:15 PM.
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post #2 of 7 Old 08-02-2011, 11:23 AM Thread Starter
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Switch and guage
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post #3 of 7 Old 08-02-2011, 04:34 PM
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Very cool - thanks for posting.

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post #4 of 7 Old 08-02-2011, 05:03 PM Thread Starter
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Quote:
Originally Posted by Woods View Post
Very cool - thanks for posting.
No problem thanks for making a great product, having great costumer service and letting my son play in your yard while we talked Jeeps.
If you get your hands on some check valves to put on each hose that goes to each tire so you can disconnect tires without pressure loss while using the 2 to 4 let me know.

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post #5 of 7 Old 08-03-2011, 07:51 AM
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No worries - happy to help.

Here's a video on how to use the fill hose with minimal air loss. You'll still leak a little, but not enough to effect tire pressure in any measurable way.
‪How to use the Four at Once Tire Fill Hose Assembly‬‏ - YouTube



Quote:
Originally Posted by PhrogMech46 View Post
No problem thanks for making a great product, having great costumer service and letting my son play in your yard while we talked Jeeps.
If you get your hands on some check valves to put on each hose that goes to each tire so you can disconnect tires without pressure loss while using the 2 to 4 let me know.

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post #6 of 7 Old 09-01-2011, 08:08 AM Thread Starter
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*UPDATE*

So after using the OBA set I must say I really like it. The convience of it always being there without taking up any cargo space is a real plus. The coupler locations have put an end to the days of stretching the hose on the portable to get to a rear tire and just when you think you got it the damn battety clip pops off. The only negative that I have found is with the 33% duty cycle of the 300P I used. I can air up all four of my 35" KM2's from 10psi to 30psi but after that she quits on me for about 30 minutes to cool down. So this isnt really a problem for me but more a problem for "YOU" people that always "forget" to bring your own air. Once again great product.

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Last edited by PhrogMech46; 09-01-2011 at 08:13 AM.
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post #7 of 7 Old 12-22-2011, 02:41 PM
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Nice setup and i like the aux tank location. I wonder if this will work with a powerplant. Im suprised you have to cool down the system for 30 mins after you inflate your tires Even with the aux tank.
Quote:
Originally Posted by PhrogMech46 View Post
*UPDATE*

So after using the OBA set I must say I really like it. The convience of it always being there without taking up any cargo space is a real plus. The coupler locations have put an end to the days of stretching the hose on the portable to get to a rear tire and just when you think you got it the damn battety clip pops off. The only negative that I have found is with the 33% duty cycle of the 300P I used. I can air up all four of my 35" KM2's from 10psi to 30psi but after that she quits on me for about 30 minutes to cool down. So this isnt really a problem for me but more a problem for "YOU" people that always "forget" to bring your own air. Once again great product.
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