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Old 07-09-2012, 07:05 PM   #1
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smittybilt power tank or viair onboard air?

so im sick of waiting for my little compressor tacking all day to fill my tires after a long day on the trail. or driving to the gas station and spending 5 bucks to fill my 35's. so I'm not that sure what way i should go? power tank or onboard air? anyone have any suggestions?

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Old 07-09-2012, 07:11 PM   #2
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I was told it was $10-$20 to fill a tank and that a tank would last around 8 trips. I went with the ViAir and I'm very happy. Try Onboard-Air.com. Good prices and GREAT customer service!!!!

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Old 07-09-2012, 07:15 PM   #3
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I was told it was $10-$20 to fill a tank and that a tank would last around 8 trips. I went with the ViAir and I'm very happy. Try Onboard-Air.com. Good prices and GREAT customer service!!!!
What size tires do you run? and how long does it take to get them from trail pressure back to street pressure?, say about 10psi to 25psi?
thanks
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Old 07-09-2012, 07:17 PM   #4
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I was told it was $10-$20 to fill a tank and that a tank would last around 8 trips. I went with the ViAir and I'm very happy. Try Onboard-Air.com. Good prices and GREAT customer service!!!!

yeah thats the only reason i was thinking onboard air would be a better pick. thanks ill check them out!
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Old 07-09-2012, 07:20 PM   #5
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What size tires do you run? and how long does it take to get them from trail pressure back to street pressure?, say about 10psi to 25psi?
thanks
i run 35's and i go from about 8psi to 35psi and its around 25-30 minutes a tire.
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Old 07-09-2012, 07:27 PM   #6
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Little compressors just aren't worth the $$$. A C02 tank is about as fast as they come with the exception of a York belt-driven OBA compressor like I had in my previous TJ. With my present C02 tank, it's nearly as fast and I can refill four 35" tires from 6-8 psi to 25 psi in a little over five minutes total. It takes a BIG HONKING compressor, or a York, to get anywhere near that speed.

You can easily set up your own C02 tank rig for around half of what they sell for in a kit. I paid $80 for my 10 lb. C02 tank on the web, $60 for the regulator, and another $30 or so in misc. parts to finish it.
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Old 07-10-2012, 09:46 AM   #7
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You can easily set up your own C02 tank rig for around half of what they sell for in a kit. I paid $80 for my 10 lb. C02 tank on the web, $60 for the regulator, and another $30 or so in misc. parts to finish it.
Deals can definitely be had, I paid even less by piecing together parts from different places. I ended up with a 20lb tank; it's a bit large for the Jeep, but it was very cheap so I can't complain. It costs a little under $20 to fill the 20lb tank up, and according to Powertank's charts a 15lb tank can add 10PSI to a 33x12.50 tire about 60 times. I think the 20lb will last me quite a while.

Plus like Jerry said, they fill tires up very fast. I'm almost always one of the first finished airing up simply because I don't have to fool with either hooking up some sort of compressor to the battery, or even just waiting for a tiny little compressor to fill up four large tires.

Eventually I want to fab up a bracket and get a York installed, but for now the CO2 setup was easy, quick, and cheap to get going.
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Old 07-10-2012, 10:19 AM   #8
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What size tires do you run? and how long does it take to get them from trail pressure back to street pressure?, say about 10psi to 25psi?
thanks
I run 35" tires. Just got the system installed and I think it took me around 3-4 min a tire to go from 10psi to 32psi. I have the 400c with a 2.5 gal tank...
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Old 07-10-2012, 10:22 AM   #9
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Little compressors just aren't worth the $$$. A C02 tank is about as fast as they come with the exception of a York belt-driven OBA compressor like I had in my previous TJ. With my present C02 tank, it's nearly as fast and I can refill four 35" tires from 6-8 psi to 25 psi in a little over five minutes total. It takes a BIG HONKING compressor, or a York, to get anywhere near that speed.

You can easily set up your own C02 tank rig for around half of what they sell for in a kit. I paid $80 for my 10 lb. C02 tank on the web, $60 for the regulator, and another $30 or so in misc. parts to finish it.
How much does it cost you to refill your tank and how long will the tank last?
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Old 07-10-2012, 03:23 PM   #10
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I run a DIY CO2 setup that I put together with #10 tank, "The Source" 150 psi regulator, and hose.

A fill-up is about $12 and is crazy fast to refill tires.
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Old 07-10-2012, 04:07 PM   #11
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I run a York On Board Air System with two 3 gal. tanks mounted underneath. I got the compressor from the junk yard, Google it and you will find diagrams on how to set it up. I have a continuous air pressure of 120, and can run two lines at a time, one out of the front and the rear. You can also check out Kilby Enterprises, they sell everything new. All I needed from them was a new pulley for the alternator, everything else was locally purchased.
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Old 07-10-2012, 04:25 PM   #12
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Sounds like something 4 my trailer.
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Old 07-10-2012, 07:39 PM   #13
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I have a VLAIR & if you go that route be sure to talk to Travis,On Board Air sponsor.He is really helpful & great customer service!
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Old 07-12-2012, 01:35 PM   #14
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I was told it was $10-$20 to fill a tank and that a tank would last around 8 trips. I went with the ViAir and I'm very happy. Try Onboard-Air.com. Good prices and GREAT customer service!!!!
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I have a VLAIR & if you go that route be sure to talk to Travis,On Board Air sponsor.He is really helpful & great customer service!
Thanks guys and glad the systems are working out great!

Scwhitear,
We have a few options to go with depending on what you want to do with the system. Just fill tires? Air tools? Air lockers?

Just give me a call or shoot me a PM, and I can help you out. In most cases, a 400 series compressor will be the best way to go. If just looking to fill tires, you can go with a 400H hard mount or an OBA. Here are 2 affordable options, but there are more depending on your usage.

400H Hardmount Kit
400C Economy OBA System

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Old 07-12-2012, 01:48 PM   #15
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what about the warn compressors, has anyone used one of them?
I would LOVE my OBA to be able to run my impact and some other tools.
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Old 07-12-2012, 02:46 PM   #16
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It takes a BIG compressor to run air tools. Only Warn's largest compressor is up to that and it's not cheap.
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Old 07-12-2012, 02:49 PM   #17
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It takes a BIG compressor to run air tools. Only Warn's largest compressor is up to that and it's not cheap.
I currently have a 30 gallon 19cfm compressor in my garage that i rarely if ever use... I've been thinking about selling or trading it for something like that.
what I lose in performance I would gain in convenience... just a thought I've been tossing around
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Old 07-12-2012, 02:55 PM   #18
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I currently have a 30 gallon 19cfm compressor in my garage that i rarely if ever use... I've been thinking about selling or trading it for something like that.
what I lose in performance I would gain in convenience... just a thought I've been tossing around
If you rarely use an air compressor at home in your garage, how much do you think you would use one in your Jeep outside of airing up tires? I know using air tools on the trail sounds appealing, but after realizing how often that would actually be I pretty much have gone away from that idea. If I am broken to the point where I need that kind of capability, I'll more than likely be fixing whatever broke at home.

Just something to think about. A quality 12V compressor that will do that kind of work will be pricey; if I'm getting into that kind of money, I'd rather have something engine driven like a York.
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Old 07-12-2012, 03:52 PM   #19
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If you rarely use an air compressor at home in your garage, how much do you think you would use one in your Jeep outside of airing up tires? I know using air tools on the trail sounds appealing, but after realizing how often that would actually be I pretty much have gone away from that idea. If I am broken to the point where I need that kind of capability, I'll more than likely be fixing whatever broke at home.

Just something to think about. A quality 12V compressor that will do that kind of work will be pricey; if I'm getting into that kind of money, I'd rather have something engine driven like a York.
I only don't use it because my garage is kind of worthless and its gas powered and... a pain to deal with ...

however, the above points are still valid, I may just get a small compressor for things like tires and camping needs.
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Old 07-12-2012, 03:55 PM   #20
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I'd definitely get something, certainly not saying you shouldn't. Not having a way to air back up is annoying; you're either waiting in line, bumming off someone else, or finding a gas station.
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Old 07-18-2012, 04:21 PM   #21
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I'm a Co2 fan

A decent size Co2 bottle with a high flow regulator can er done quick.
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Old 07-18-2012, 04:44 PM   #22
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i have a Viair 460C on board air compressor, with a 1 gallon tank under the bed. I use them everyday. when refilling tires on the trail, i'm not in any hurry. if it takes a few minutes to air my tires and my friends tires...so what, more time to enjoy the wilderness.
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Old 07-18-2012, 05:39 PM   #23
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I run the Viair X'treme Duty - VIAIR Corporation - X'treme Duty OBA Part No. 10009

I have used this consistently since installing it in 2008 for all of my runs, filling tires, other Jeeps' tires, etc. This setup is Baja proven, having filled my tires when I was 50+ miles from the nearest full-service gasoline station (in Baja, Mexico)

Filling up between Puertecitos and San Felipe - ~20 mi. from the nearest Pemex station.



Me standing next to my Jeep - fully loaded for Baja!
My camping gear, plus my Viair X'treme Duty equipment all fits together without losing too much space.


No gas stations for miles, but my Viair filled my 33" tires (~5 min. each 11 p.s.i. to 32 p.s.i.) and took me from Laguna del Diablo to Ensenada without having to stop at a Pemex Station.

Looking north

Looking south
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Old 07-18-2012, 09:11 PM   #24
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My VLAIR
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Old 07-19-2012, 04:33 PM   #25
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I recently picked up 2 VIAIR 480c (200psi) compressors on Craigslist for $300! They were NEW and NEVER installed. I'm going to build a kit for my Jeep and my brothers Jeep.
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Old 07-19-2012, 04:39 PM   #26
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My VLAIR
there is no L in Viair.
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Old 07-19-2012, 05:17 PM   #27
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I run the Viair X'treme Duty - VIAIR Corporation - X'treme Duty OBA Part No. 10009

I have used this consistently since installing it in 2008 for all of my runs, filling tires, other Jeeps' tires, etc. This setup is Baja proven, having filled my tires when I was 50+ miles from the nearest full-service gasoline station (in Baja, Mexico)

Filling up between Puertecitos and San Felipe - ~20 mi. from the nearest Pemex station.



Me standing next to my Jeep - fully loaded for Baja!
My camping gear, plus my Viair X'treme Duty equipment all fits together without losing too much space.


No gas stations for miles, but my Viair filled my 33" tires (~5 min. each 11 p.s.i. to 32 p.s.i.) and took me from Laguna del Diablo to Ensenada without having to stop at a Pemex Station.

Looking north

Looking south
Nice! I'm jealous!
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Old 07-19-2012, 05:36 PM   #28
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Systems look great. I like the VIAIR units.... very dependable and always have air when you need it.
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Old 07-19-2012, 06:31 PM   #29
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I'm going with a Power tank. Living in Denver we wheel at really high altitudes, which means less air to compress. It takes about 30-45 min to get one of my 35's from 12psi to 35 psi. I hate adding an hour and half or more to the end of the day airing up tires.
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Old 07-19-2012, 06:38 PM   #30
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I'm going with a Power tank. Living in Denver we wheel at really high altitudes, which means less air to compress. It takes about 30-45 min to get one of my 35's from 12psi to 35 psi. I hate adding an hour and half or more to the end of the day airing up tires.
Been there done that. What compressor?

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