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Old 03-21-2013, 08:25 PM   #1
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Rubicon Express on TJ

I have found a killer deal on some barely used Rubicon Express Monotube shocks. Problem is that I am on stock suspension right now and will be for a couple more months. The loop/loop shock extended length is 24.8 and the compressed length is 15.4. The stem/loop shock extended length is 23.5 and the compresses length is 14.9. Will I be able to run these shocks until I get a lift kit(one that doesn't include shocks)? Like I said, stock 97 2.5L on 33s.

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Old 03-21-2013, 09:10 PM   #2
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How are you running 33" tires on a stock suspension? Aftermarket fenders? Anyway I wouldnt put them on until you get the correct size lift for them. Putting them on now could bottom them out during flex and damage them.

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Old 03-21-2013, 09:20 PM   #3
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How are you running 33" tires on a stock suspension? Aftermarket fenders? Anyway I wouldnt put them on until you get the correct size lift for them. Putting them on now could bottom them out during flex and damage them.
I'm not quite sure how my jeep runs them but it does. I don't rub at all even on hard bumps. Now when you say flexing do you mean disconnecting sway bars and flexing or just daily driving on roads flexing.
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Old 03-21-2013, 09:32 PM   #4
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Well stock shocks are something around 13" compressed, meaning these shocks will be almost 2.5" shorter. If you had smaller tires (30" or so) I would be worried about you bottoming them out going over speedbumps too fast or any sort of 4wheeling. Because you have 33" tires on it, the jeep really doesn't have too much room for the tires to rise up before hitting the fenders. If you go and measure the length from the top of the shock to the bottom on your jeep the way it is, what do you get? Also whats the distance from the tires to the fender (How far up can they go)? That should help us figure out if these would fit.
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Old 03-21-2013, 09:45 PM   #5
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Ok I measured. Both shocks are at about 17" in length with the jeep sitting on level ground. These are nother stock shocks, I am not sure what kind they are but I assume they are equivalent to stock. The front tires can move a maximum of 2" total. The rear tires can move about 3.5" max.
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Old 03-21-2013, 10:18 PM   #6
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Well doing the math..
Current setup is 17" shock length with 2" space on top. This means when the tire is all the way flexed up, the shock will want to be at about 15" in the front.

The new shocks you are looking at have a minimum of 15.4", so when you are flexed out the weight of the jeep will be on the shocks, not the bumpstops, most likely damaging them. Sure you could run them, but if you even hit a bump too hard or flex it all the way you could be looking at damaging the shocks.

I guess you could extend your bumpstops, reducing the amount of uptravel you have, making the suspension stop before the shocks bottom out. I personally would either skip the shocks and buy them with the lift or buy them now and save them.
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Old 03-22-2013, 05:20 PM   #7
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Originally Posted by bmbillups View Post
Ok I measured. Both shocks are at about 17" in length with the jeep sitting on level ground. These are nother stock shocks, I am not sure what kind they are but I assume they are equivalent to stock. The front tires can move a maximum of 2" total. The rear tires can move about 3.5" max.
Are you sure you don't have a 2" budget boost suspension lift? I just replaced my shocks because the ones the previous owner had on the jeep were too long and were acting as the bump stop. My shocks measured 17"' at rest with a 2" lift! Those shocks are too long. They will bottom out before you bump stops and could damage the shocks or worse the mounts. If you decide to run them you should adjust your bump stops.
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Old 03-22-2013, 06:53 PM   #8
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Are you sure you don't have a 2" budget boost suspension lift? I just replaced my shocks because the ones the previous owner had on the jeep were too long and were acting as the bump stop. My shocks measured 17"' at rest with a 2" lift! Those shocks are too long. They will bottom out before you bump stops and could damage the shocks or worse the mounts. If you decide to run them you should adjust your bump stops.
Im pretty sure it is stock susp. but as we all know, no one knows what the po's have done to our Jeeps. Heres a pic of it sitting on 33/10.5/15 BFG ATs. Let me know what you think. I also think i figured out what kind of shocks are on it. They are Monroe Gas-Matic's. This link, Buy Monroe Gas-Matic LT Shock Absorber 59371 at Advance Auto Parts, says they are 13.625 compressed and 18 extended. Left is my old 31s, no flares. Right is 33s with flares.
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Old 03-23-2013, 06:22 AM   #9
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I have 31x10.5x15 and mine rub when turning to tight. I like to to have them stick out the flares a little but I couldn't go 12.5 w/o major rubbing

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