LS conversion what to do with OBA - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 11 Old 08-28-2015, 11:55 PM Thread Starter
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LS conversion what to do with OBA

I did an LSwap on my 2dr JK , before I was using the Kilby OBA ,but with the LS enigine there is not enough room under the hood for the oba pump.
Is there someone who solved this problem , or have a solution how I can fix it , I was thinking on a ARB twin compressor.
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post #2 of 11 Old 08-29-2015, 08:39 PM
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I have the LS3 and use the ARB twin under the passenger seat and have a warn powerplant winch for air as well. The ARB twin is faster filling up 40" tires
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post #3 of 11 Old 08-29-2015, 11:35 PM Thread Starter
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Thx, I will go for the ARB twin in combination with the tank and fittings I allready have from the OBA I used before.
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post #4 of 11 Old 08-31-2015, 08:08 AM
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JSS makes a bracket:
http://www.shop.jeepspeedshop.com/Yo...KCMPRSRMNT.htm

http://www.pirate4x4.com/forum/motor...ork-mount.html


Also found this one which is not JK specific:
http://www.littleshopmfg.com/gm-4-8-...ompressor-kit/


And this guy building his own (again not JK specific):
https://www.trainhornforums.com/showthread.php?t=5903


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post #5 of 11 Old 08-31-2015, 08:45 AM Thread Starter
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Thx Alasha, the bracket from JSS would be great but do you know were they exactly mount the bracket with the compressor, like I said there is not so much room for it.
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post #6 of 11 Old 08-31-2015, 10:14 AM
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Quote:
Originally Posted by marcj8 View Post
Thx Alasha, the bracket from JSS would be great but do you know were they exactly mount the bracket with the compressor, like I said there is not so much room for it.
If you look at the second link to Pirate4x4, they have pictures of where it is mounted.


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post #7 of 11 Old 08-31-2015, 07:43 PM
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It depends what ls kit you used. I used motech and it mounts the power steering pump up to the left, where the Jss kit puts the compressor. I looked at the Jss kit for mine but determined it wouldn't fit.

07 JKU, 14 bolt rear/ Teraflex 60 front, Tera Long Arm, King Coilovers, 40" MT/R-Ks, Antirock etc. 430HP LS3 engine swap. Cage and 14 bolt swap thread-
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post #8 of 11 Old 08-31-2015, 10:17 PM Thread Starter
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I use the Motech kit to, maybe it's posible to make a bracket and mount the compressor on the right side of the alternator.
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post #9 of 11 Old 09-01-2015, 08:25 AM
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Quote:
Originally Posted by Keith B. View Post
It depends what ls kit you used. I used motech and it mounts the power steering pump up to the left, where the Jss kit puts the compressor. I looked at the Jss kit for mine but determined it wouldn't fit.
Quote:
Originally Posted by marcj8 View Post
I use the Motech kit to, maybe it's posible to make a bracket and mount the compressor on the right side of the alternator.
You think this bracket would work?
http://www.littleshopmfg.com/gm-4-8-...ompressor-kit/


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post #10 of 11 Old 09-04-2015, 08:17 AM
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I'm guessing you dont want to use a portable setup, powertank or something similar?

Thats what I've done, was looking for on board setups that would work with my LS swap also but ultimately decided on a powertank, glad I did too. I like being able to take it with me when on a road trip without the jeep or out camping with our 4runner or throw it in the truck when we go ride dirtbikes and stuff, just nice to be able to use it for more than one situation. Obviously the downside being you have to take it somewhere to get refilled and are on a limited air/co2 supply.
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post #11 of 11 Old 09-04-2015, 12:53 PM
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I did an ARB Twin over the engine. I am actually adding a second in front of that one when I get an AEV heat reduction hood. I will remake the bars that hold it to fit.


07 JKU, 14 bolt rear/ Teraflex 60 front, Tera Long Arm, King Coilovers, 40" MT/R-Ks, Antirock etc. 430HP LS3 engine swap. Cage and 14 bolt swap thread-
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