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Old November 1st, 2008, 05:11 PM   #1
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Default Why are air shocks not good for street?

Ok, there has been some discussion about air shocks on here lately so maybe somebody can explain this to me.

I've read that air shocks are not good for a street driven vehicle, but yet I've never seen why. Why are they not good?
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Old November 1st, 2008, 05:29 PM   #2
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I've heard that they are not good for street driven vehicles because you can't really keep the same pressure in them at all times. They generally leak right out of the box. But otherwise I don't really see a reason not to use them.
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Old November 1st, 2008, 05:32 PM   #3
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me personally i like air shocks as long as you wanna keep the maintnence up on them u konw
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Old November 1st, 2008, 05:33 PM   #4
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I dunno about them leaking right out of the box, but air pressure will fluctuate with temperature change.

If the suspension set up is good I see no reason that they can't work.
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Old November 1st, 2008, 05:33 PM   #5
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Maybe the pair of Jims who run them can elaborate?
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Old November 1st, 2008, 05:38 PM   #6
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I dunno about them leaking right out of the box, but air pressure will fluctuate with temperature change.

If the suspension set up is good I see no reason that they can't work.
Now I thought nitrogen (used to pressurize the shock) isn't affected much by the temp change?

If they leak, or whatever, how often are you talking you have to recharge them? Does a guy have to recharge them every time he goes wheeling?
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Old November 1st, 2008, 05:53 PM   #7
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Now I thought nitrogen (used to pressurize the shock) isn't affected much by the temp change?

If they leak, or whatever, how often are you talking you have to recharge them? Does a guy have to recharge them every time he goes wheeling?
I've never owned a set...so I can't answer that.

I don't recall my brother talking about needing to air up his shocks very often when he had them on his buggy.


I don't think you'd have to check them that often, I'm thinking more along the lines of checking them about as often as you check your tires...but I really don't know.
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Old November 1st, 2008, 06:26 PM   #8
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dont you drive a stock tj

i think you are way over thinking it. unless your gona put a long arm kit and different axles i dont see the advantage your gonna get with them.


they leak over time but not that bad. they work good but dont work as good as a dedicated shock for dampening is what people usually complain about. which im sure you could take care of with tuning. they do unload sometimes which could suck if you had to do some evasive driving at 80 mph on a highway
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Old November 1st, 2008, 07:30 PM   #9
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dont you drive a stock tj

i think you are way over thinking it. unless your gona put a long arm kit and different axles i dont see the advantage your gonna get with them.


they leak over time but not that bad. they work good but dont work as good as a dedicated shock for dampening is what people usually complain about. which im sure you could take care of with tuning. they do unload sometimes which could suck if you had to do some evasive driving at 80 mph on a highway
lol. Not exactly stock, but not exactly huge. Also, it's not a DD so it doesn't much matter how she does on the road, but it does get driven there. Also, it wouldn't see 80 mph unless it was dropped out of a plane.

As for why I'm asking, I'm just curious. Like most people, my rig is constantly being worked on one way or another and I'm poor so I like the idea of air shocks over coilovers. And longarms are in its future.
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Old November 1st, 2008, 07:58 PM   #10
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i got long arms for sale. also as stated they unload when you wouldnt want them to. they fade over time when the oils get hott as they are made for more of a crawler then a speed runner.
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Old November 1st, 2008, 08:01 PM   #11
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well as stated, the TJ is no racer! Occasionally 75 or so on the highway is about the highest it sees
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Old November 1st, 2008, 09:27 PM   #12
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From what i remember reading and know about air shocks for heavy vehicles the dampening will fade out as they heat up. Also nitrogen will still change with heat. You have to remember a slow moving rock crawler will stay fairly constant but on a bumpy rode the shock may heat up a lot and become stiff. I think it would be pain because a good road pressure and tune would be a lot different then one for offroad
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Old November 2nd, 2008, 09:27 AM   #13
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i haven't added N to my shocks since i built the rig about 18 months ago
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Old November 2nd, 2008, 09:46 AM   #14
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Quote:
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well as stated, the TJ is no racer! Occasionally 75 or so on the highway is about the highest it sees
What would be the reason you are considering them? Is there some benefit you think you'll get from them? Seems like a lot of fab work for a basic TJ.



On a dedicated off-road vehicle, they are easy to package, light weight, and adjustable.

They won't be as tunable as coilovers, won't be able to support as much weight, and will suffer more shock fade (and get taller as they get hot).
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Old November 2nd, 2008, 11:10 AM   #15
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What would be the reason you are considering them? Is there some benefit you think you'll get from them? Seems like a lot of fab work for a basic TJ.



On a dedicated off-road vehicle, they are easy to package, light weight, and adjustable.

They won't be as tunable as coilovers, won't be able to support as much weight, and will suffer more shock fade (and get taller as they get hot).
Honestly, it's a ways in the future still, but I wouldn't mind doing the stretch in the rear and this is where I'd probably be doing the air shocks or coilovers, but the air shocks are much more wallet friendly.

Currently, I'm just trying to figure out what would work best for me. I mean, I have no intentions of running Baja anytime soon, so coilovers just seem a little overkill. My TJ only sees street use for the occasional run to the ice cream shop or to the trails so it's no road runner.

Then again, the FOA coilovers are about the same price as air shocks and might serve me well, but I think they are too big.
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Old November 2nd, 2008, 12:41 PM   #16
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foa has a 2" coilover coming out but I'm not aware of the pricing. Keep in mind that if you go to an airshock and want it to perform correctly you will need to adjust the oil and pressure a bunch of times to get it right. To do so you will need a tank and regulator set and the valves needed to add or release pressue accurately and that can cost upwards of $400 right there. For coilovers you can borrow a setup or just take it to a shop that does motorcycle shocks (or unlimited offroad) and have them charged once to the correct pressure and be done.
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Old November 2nd, 2008, 02:16 PM   #17
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good point Tab! I didn't think about all that.
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Old November 2nd, 2008, 05:44 PM   #18
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Oz, I have the N and regulator if you need. Bones used it on his and it worked.
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Old November 2nd, 2008, 09:29 PM   #19
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Thanks Shawn. I think it's a bit early for needing it though. Hold on to it and maybe in a year or two... lol
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