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Unread 12-18-2011, 02:45 PM   #1
sjones26573
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Shocker XL train horn + VIAIR Ultra Duty OBO adaptability

Can a Shocker XL train horn run off of a VIAIR Ultra Duty OBA? I assume a 1/2" to 1/4" reducer would be necessary. The OBA end would be male but does the XL need a male or female connection? Has anyone ever done this sort of setup? How many air outputs does the OBA have? And how big is a 2.5 gal tank on a jeep and where do you mount it? Thanks guys.
http://viaircorp.com/OffRoad/20001.html
http://www.hornblasters.com/products...r-4-train-horn

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Unread 12-18-2011, 03:16 PM   #2
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Bump
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Unread 12-18-2011, 03:27 PM   #3
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BUMP.. Just ordered my VIAIR HD kit and would like to run a train horn also.
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Unread 12-18-2011, 04:19 PM   #4
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i made my own setup, more like the constant duty kit. it worked great to power a set of grover air horns off a big rig.
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Unread 12-18-2011, 05:28 PM   #5
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Bump. Looking for instructions and answers. Thanks
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Unread 12-19-2011, 01:56 PM   #6
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So I e-mailed Hornblasters and they said that I would have to exchange the pressure switch for a 105-150 model. Well I'm not interested in maxing out a 200psi OBA system at 150psi, so I researched. I came across this thread with a similar situation for lockers. http://www.jeepforum.com/forum/f9/vi...ockers-421632/ That gave me the idea to use a regulator. I found this type, which you custom order for your needs. http://www.zorotools.com/g/00064576/..._Shopping_Feed. It maxes at 250psi but can be adjusted to limit at 150psi. So if I put this in line after a 1/4" to 1/2" fitting, I should be guaranteed that the pressure to the horns will stay at 150psi, correct?
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Originally Posted by Jeremy Clarkson - Top Gear Botswana Special
Why don't all cars have no doors? When I come to power I'm going to make it a rule because this is just better.
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Unread 12-19-2011, 07:21 PM   #7
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correct until the supply pressure drops below 150. but be warned, the regulator will also limit the volume of AIrflow as well and decrease the sound of the horns. the Shocker XL uses a 1/2" Main feeder with 1/4" lines to each bell of the horn. the OBA setup only has 1/4" ports so it will be a choke point in the system.

I have a similar kit on my truck. Viair 380C compressor, 5 gallon tank, and the Shocker XL. I have been running the full 200 PSI through my horn for the post 2 years without issue. every now and then with such a high pressure i do get s slight high pitch squeak from the horns before the well known deep Honk sound but it is rare. and on only a 2.5 gallon tank you will blow through that amount of air in no time with the Shocker. a few short blast will easily drop you down in air pressure considerably.
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Unread 12-19-2011, 07:40 PM   #8
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I know the regulator will slow the air bit that's why I would put it on the 1/2" line instead of the 1/4". I would also get the highest flow I could find, which is about 100cfm. I don't know how good that is. I would get a bigger tank but there's no where to put one on a jeep. Thats why I want the Ultra Duty OBA. Larger compressor means faster fill. But I'm still not sure what kind of performance I'd get out of it. I was only going to run @ 150psi because the representative said any higher will cause damage and void the warranty.
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Originally Posted by Jeremy Clarkson - Top Gear Botswana Special
Why don't all cars have no doors? When I come to power I'm going to make it a rule because this is just better.
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