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Old 09-04-2013, 09:07 PM   #1
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When to disco and air down?

Hello.

I'll be messing around off road for the first time ever on some light trails that can almost be described as bumpy dirt roads. When it comes to difficulty, rain runoff ruts will be the biggest obstacle.

So how does someone know when its time to disco and/or air down?

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Old 09-04-2013, 09:17 PM   #2
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soon as you hit the trail. discoing and airing down makes a much more enjoyable ride. If I am going to run really washboard forest service type road where speeds are below 50 or so I disco and drop down to 20-25psi. If off road where speeds are really slow due to rocks etc you can air down even further. discoing makes a night and day difference on mine.

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Old 09-04-2013, 09:59 PM   #3
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When you start saying holy sh*t this is a rough ride. Its time to air down. Then, when you start saying oh sh*t my tire is up in the air. Its time to disconnect. Lmaoo im just kidding. But seriously i air down and disconnect at the trail head.
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Old 09-04-2013, 11:03 PM   #4
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Haha sounds like my driveway. I wouldn't disco or air down at all.
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Old 09-05-2013, 12:02 AM   #5
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If I'm on a dirt road I air down. 18 psi works for me. I also disconnect. One time I didn't disconnect on a easy trail and broke a lynch pin on my discos from light flexing. (JKS) Better safe than sorry. My body also thanks me for airing down off road.
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Old 09-05-2013, 07:31 AM   #6
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You don't need to do either on a dirt road. And unless conditions are really bad and muddy you probably don't even need 4wd. You should be airing down and disconnecting when your finding yourself in really difficult articulation and need the tires planted better for traction.
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Old 09-05-2013, 08:18 AM   #7
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You don't need to do either on a dirt road. And unless conditions are really bad and muddy you probably don't even need 4wd. You should be airing down and disconnecting when your finding yourself in really difficult articulation and need the tires planted better for traction.
X2

I recently drove some forrest roads, similar to what you've described and I didn't air down at all. Mostly because there was need for increased traction and I didn't feel like looking for a place to air back up afterwards. It does make the ride a bit smoother though. I disconnected my sway bar just to goof off and check that it worked. There was no need. Have fun!
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Old 09-05-2013, 08:51 AM   #8
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If your front tires arent maintaining good contact with the driving surface due to articulation, it is time to Disco.

As far as airing down, it will reduce the likelihood of punctures and also give you better grip/increased surface area. On a dirt road, it is definitely overkill to airdown. Once you start seeing fist sized rocks or larger, sharp rocks, tree stumps, roots, shelves, mud, etc I would air down.
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Old 09-05-2013, 09:02 AM   #9
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Moderate to Difficult

I never do either unless the trail is marked moderate to difficult. Everyone in my club airs down on forest roads and swear it makes for a better ride. I have a Teraflex lift with KM2s and my ride is better than when it was stock. I just watch everyone air down and then air up during those kinds of rides.
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Old 09-05-2013, 09:42 AM   #10
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Thanks guys. I will disco since I bought quick discos and have never used them before, but I'll avoid the hassle of airing down.

I'll take some pics
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Old 09-05-2013, 10:19 AM   #11
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I never do either unless the trail is marked moderate to difficult. Everyone in my club airs down on forest roads and swear it makes for a better ride. I have a Teraflex lift with KM2s and my ride is better than when it was stock. I just watch everyone air down and then air up during those kinds of rides.
I wheeled my Jeep stock for awhile and it was rough. So I aired down and it was a night & day difference. So, it became automatic. I put 35's on a couple of weeks ago and drove on a dirt road without airing down. Very rough. Maybe I'm getting too old. lol.. But maybe having a quality lift makes a difference? Is that the case? I'm running a Tereflex 2.5 BB with Tereflex shocks.
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Old 09-05-2013, 07:43 PM   #12
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Well I ended up going out today for the first time ever. I gotta say the difference between disco and not disco is a game changer if you know what I mean. It was night and day. I loved it. The JKU felt like a beast when it was disconnected.

Did not air down... Maybe next time.
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Old 09-06-2013, 10:18 AM   #13
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It's good to do the air down on a light road for the experience, if you have never done it before. You will begin to understand why deflators and air pumps are really nice to have so you can make an informed decision down the road if you go that route. You will also begin the internal discussion of surface contact and ride quality so when you get into rougher trails it wont be so mysterious.

As many will state...go with a friend or a local group and get experience. You will be amazed what your Jeep can do.
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Old 09-06-2013, 10:50 AM   #14
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If the ride becomes too harsh even going slow, air down. One thing we see her is washboard roads. 2-door Jeeps are the worst at handling them, so if I know I am exploring for a few hours, I'll air down to maybe 18 if I am not doing any real trails. I stay at no more than 24 on the highway though (MTRs are stiff).
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Old 09-06-2013, 11:50 AM   #15
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If the ride becomes too harsh even going slow, air down. One thing we see her is washboard roads. 2-door Jeeps are the worst at handling them, so if I know I am exploring for a few hours, I'll air down to maybe 18 if I am not doing any real trails. I stay at no more than 24 on the highway though (MTRs are stiff).
If the ride is to harsh on dirt roads going slow...... spead up, you would be surprised what just a few MPH can do for ride comfort and handling.

This is of course assuming you are not in a large group.

I still believe airing down for a dirt road is way overkill no mater what. But then again maybe if I had a setup that was super harsh on the back I might reconsider.
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Old 09-06-2013, 12:02 PM   #16
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Ok, stupid noob question here but what does "Disco'ing" mean???
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Old 09-06-2013, 12:03 PM   #17
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Dancing to the temptations or disconnecting your sway bars. Whatever one makes you more comfortable I guess
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Old 09-06-2013, 12:06 PM   #18
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Dancing to the temptations or disconnecting your sway bars. Whatever one makes you more comfortable I guess

Ok, that makes sense I guess. Another even more stupid question, are there any vids that show someone disco'ing for those of us who have never done it before?
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Old 09-06-2013, 12:07 PM   #19
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If the ride is to harsh on dirt roads going slow...... spead up, you would be surprised what just a few MPH can do for ride comfort and handling.

This is of course assuming you are not in a large group.

I still believe airing down for a dirt road is way overkill no mater what. But then again maybe if I had a setup that was super harsh on the back I might reconsider.
I don't think you understand the roads I am referring to- very twisty and hitting washboards will have you skittering towards the edge and a 100-500 ft drop. You do not want to speed up on those. Well, the locals don't. Normal dirt roads- yes, speeding up helps though with these MTRs, my PSI has to be way lower than my KMs regardless. Plus, these dirt roads are usually accessed to go to or find trails so airing down in what we usually do before we hit them.
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Old 09-06-2013, 12:09 PM   #20
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Ok, that makes sense I guess. Another even more stupid question, are there any vids that show someone disco'ing for those of us who have never done it before?
Take a wrench, unattach it from the part connected to the wheel and try to attach/place it somewhere else so it doesn't just clank around. 2 are on the front, very easy to do, rubis have electronic disconnects that do it with the push of a button!! Wow! Technology!
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Old 09-06-2013, 12:18 PM   #21
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Just out of curiosity, is it safe to drive freeways with it like that? or would it get to squirrly?? I know its done at the beginning of a trail, but just curious.
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Old 09-06-2013, 12:20 PM   #22
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Probably not the best idea...
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Old 09-06-2013, 12:43 PM   #23
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Ive run some pretty hard trails at 30 psi that I run on the highway as well. I have not yet discoed but plan to get some quick discos. Question. With my 2.5" TF spring lift will I need longer brake lines if I disco ? And will it allow the Jeep to lean more on off cambers ? I had a close call and about laid mine on its side and wonder if I had been discoed would it have been worse ?
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Old 09-06-2013, 12:58 PM   #24
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I am not sure why everyone thinks its such a good idea to run with the sway bar discoed ALL the time? Sure lots of us do it when we are running harder trails and need all the flex you can get. Heck people might as well start taking there shocks off just in case they need a little bit more articulation. Swaybars are for control and disco'ing them is NOT going to give you a better or more controled ride. The ONLY advantage you will gain is the ability to flex more. So if you do not need more flex then you can achieve connected then you are actually hurting your self by disconnecting your sway bar.

Now I am talking about your average Joe in your average Jeep driving down dirt roads and easy trails and such. So hold off on the butt hurt comments about why "you" need disco. And I also under stand there is way more to sway bars then I made it sound but to the guys that are taking them lose just to run down dirt roads they really don't need to know anything more then the very basics of what a sway bar is for and they are best left hooked up unless they need to be disconnect if tires start coming off the ground.

I guess all this is a long winded way of saying that it is a counter productive idea to be running around at speeds above a crawl with your sway bars disconnected. But for some reason lots of people on this forum think it makes your jeep "handle" better.
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Old 09-06-2013, 01:02 PM   #25
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will it allow the Jeep to lean more on off cambers ? I had a close call and about laid mine on its side and wonder if I had been discoed would it have been worse ?
No..... the suspension will move more so the body will lean less.
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Old 09-06-2013, 01:14 PM   #26
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And this is why I like my Currie setup
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Old 09-06-2013, 01:18 PM   #27
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Just out of curiosity, is it safe to drive freeways with it like that? or would it get to squirrly?? I know its done at the beginning of a trail, but just curious.
Nope. Always reconnect at trail head before your journey home. Not safe at all.
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Old 09-06-2013, 01:19 PM   #28
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And this is why I like my Currie setup
Curries are very nice, no dought about it. Just a little to soft for my taste.
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Old 09-06-2013, 01:34 PM   #29
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Curries are very nice, no dought about it. Just a little to soft for my taste.
I agree. As much as I like Currie I went a different route with the TJ.
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Old 09-06-2013, 01:34 PM   #30
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On my TJ I had Anti Rock's and they were like a very soft sway bar but hooked up all the time. I liked it better than Disco and having to get in and out if I hit a hard spot on the trail I didn't expect. On my TJ I had 35's and ran 18 on dirt, 12 on rocks. My wife and I liked having a less jarring ride. Sometimes the little rough stuff is what gets to you after 6 or 7 hours on a trail. Now that I have My new 13 JKUR I am starting all over. The last 2 trips, I love the jeep but miss my big 35's at 18 psi. Call me a softy but at 65 and disabled with a bad back I don't care. I'm airing down and disco'ed. I want all the comfort I can get so I can jeep for many more years. I have parts ordered to get my jeep up to where I want it to be. But I'm maybe a special case. I drive with a bunch of old 60 to 70 year old jeepers. Our creaky old bones like all the cushion we can get.

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