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Old 12-29-2010, 04:55 PM   #1
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how much

how much more travel do you get from a long arm then short arm?

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Old 12-30-2010, 04:49 PM   #2
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Hmmm, good question. I have the full traction long arm kit in my TJ. Its travel is limited by the travel of the shock. So.... if you were to move the shock location you could potentially get lots more travel out of the whole system. Then the limiting factors would be track bar and driveshaft length..... so yes, this goes on and on. I enjoy the smoothness of the long arm. It feels like the jeep is not fighting to go up and over rocks. But on very large rocks I do have to watch not to get hung up on the control arms. Something short arms drivers do not have to watch for.

Not sure I have answered anything here, just a thought process.

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Old 12-30-2010, 09:03 PM   #3
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I have a Tera Flex long arm kit and also have no idea. I love the ride it gives though, on and off road.
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Old 12-30-2010, 11:46 PM   #4
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i think i am going to do thelong arm kit. which one do yall like the best rockkrawler is what i have come up with so far
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Old 12-31-2010, 11:13 AM   #5
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i think i am going to do thelong arm kit. which one do yall like the best rockkrawler is what i have come up with so far
Well, again I only have mine to compare with. I have not used other long arms yet. I got a good deal for the 'Full Traction' set up, but am discouraged by the lack of help from 'Full Traction' to remedy some minor problems. I believe you will enjoy any long arm you set up in your jeep. They make some nice set ups now that have a one point connection and has a bend on it to keep it tuck up high out of the way. Dont remember the name of it. Your doing good, keep checking out what you can get for what cost. If your doing the install, great your save yourself some coin and be much experienced in the parts and pieces when your done. If your not doing the install, learn all you can from the manufacturer as to what it should look like, parts and pieces, lube points.
One of the things that really got my goat was that the installer of mine removed the sway arms and put on some 'cheesy' ones they said came with the kit. My orginal arms were quick release ones and the junk they put on was not.

Good luck,
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Old 12-31-2010, 11:21 AM   #6
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How can you tell the difference between long arm and short arm. Cause I bought used with a 4" lift on mine. And then can you just change the arms from short to long if they are short or wat? Cause I have no clue on this stuff I'm a new bee
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Old 12-31-2010, 11:26 AM   #7
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I do not have either kit, but I do have a couple friends that have both the short arm kit and the long arm kits. They all wish they had the short arm kit. They say that the long arm kit rides better on the road, but when off road they get beat up and bent pretty bad. It costs them like $100 an arm to straighten them after the fact as they do not have the tools to do it. This may not be a problem where you wheel since all we wheel is Moab and lots of rocks.
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Old 12-31-2010, 11:36 AM   #8
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I do not have either kit, but I do have a couple friends that have both the short arm kit and the long arm kits. They all wish they had the short arm kit. They say that the long arm kit rides better on the road, but when off road they get beat up and bent pretty bad. It costs them like $100 an arm to straighten them after the fact as they do not have the tools to do it. This may not be a problem where you wheel since all we wheel is Moab and lots of rocks.
Yup, you are correct, you have to watch those long arms when navigating large rocks. I am wheeln in the Southern Cal area.
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Old 01-01-2011, 11:37 AM   #9
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so are yall sayen go with short arm?
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Old 01-01-2011, 02:08 PM   #10
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Take a push broom and run it over something a little bumpy, like cobblestones, bricks or something.
Now cut the handle off about half way. Push it over the same places.

When the arm (broom handle / suspension arm) is long the angle of incidence is much less, allowing the end (brush / wheel) to move over bumps easier.

When you use weak long arms they will get bent. When you try to bend them back you are making them even weaker.

A decent long arm will easily support the weight of the Jeep without bending. I use mine as sliders all the time.
I did bend one though - I "jumped" off a ledge, dropping about 5 feet onto a rock I was trying to miss. I hit the long arm in the center and tweaked it.
I replaced it with a new one. I tried to straighten the bent one in my 40 T hydraulic press - when I got the pressure up to where the press's frame was bending I gave up.

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Old 01-01-2011, 03:02 PM   #11
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When going with a long arm kit make sure they have johnny joints. These are greaseable joints that are better than rubber bushing with a fittings. What you can do is buy a short arm kit and buy your own control arms. Look at this place: IronMan Fabrication and 4x4. They offer really good prices and have a lifetime warranty as well. That's what I am thinking about getting.
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Old 01-02-2011, 07:30 AM   #12
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When going with a long arm kit make sure they have johnny joints. These are greaseable joints that are better than rubber bushing with a fittings. What you can do is buy a short arm kit and buy your own control arms. Look at this place: IronMan Fabrication and 4x4. They offer really good prices and have a lifetime warranty as well. That's what I am thinking about getting.
Beware, the set up I got from Full Traction was a kind of johnny joint but was not greaseable, unless you have a bolt that was fitted with a zerk fitting. The Iron Man looks like a good set up.
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Old 01-02-2011, 07:36 AM   #13
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so are yall sayen go with short arm?
Well, up to you and the kind of wheeln you are going to do. If I was going to do it again, I would not spend the money on a long arm till I was ready for some serious and ridiculous flexing. my two cents
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Old 01-02-2011, 07:41 AM   #14
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Quote:
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how much more travel do you get from a long arm then short arm?
travel is mostly dictated by your shock length and bumpstops, it has little to do with long arm vs short arm.

control arm length has to do with the suspension geometry as it relates to the arc which the axle travels in. sometimes a longer arc is beneficial, sometimes a shorter arc is beneficial.
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Old 01-02-2011, 10:50 AM   #15
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lol you guys just dont make it any easier to make my mind up
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Old 01-02-2011, 03:08 PM   #16
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lol you guys just dont make it any easier to make my mind up
Yup! lol. Its your money. If your short arms are working good. Spend the money on something else.....like lockers....or bigger axles.

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