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Old 10-29-2012, 08:54 PM   #1
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Bump stops

Just a quick question, so I plan on installing some bump stop extensions when I put my 2 in BB. I searched around and found a lot of rear bump stop extensions and was wondering if the extensions are interchangeable front/rear? And I would be good with just 2 inch bump stop extensions? No unforeseen problems? Thanks guys.

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Old 10-29-2012, 09:03 PM   #2
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yes, you can put the rear extensions in the front, but i wouldn't suggest it. it creates other problems with the cup, like rubbing the springs. you can also bend/damage the bumpstop/spring tower. I prefer bolting the extensions to the axle pad in front. drill and tap the axle pad for 1/2-13 UNC and bolt the bumpstop extension down. for a BB, 1" front extension should be enough (assuming 31" tires, and shocks less than 14.5" compressed length). you want to use something 3" in diameter - I use Performance Accessories "Big Block" body lift pucks....they're cheap and easy.

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Old 10-29-2012, 09:19 PM   #3
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Quote:
Originally Posted by UnlimitedLJ04
yes, you can put the rear extensions in the front, but i wouldn't suggest it. it creates other problems with the cup, like rubbing the springs. you can also bend/damage the bumpstop/spring tower. I prefer bolting the extensions to the spring perch in front. drill and tap the axle pad for 1/2-13 UNC and bolt the bumpstop extension down. for a BB, 1" front extension should be enough (assuming 31" tires, and shocks less than 14.5" compressed length). you want to use something 3" in diameter - I use Performance Accessories "Big Block" body lift pucks....they're cheap and easy.
Everything I saw said that it was for the rear except one set of OME extensions which said they were front or rear. So your saying the bump stop extensions might bend the tower? How common is that? And I'd prefer not to drill it out if there is an easier way that works. Still new to this and don't completely trust myself. Is it really a bad idea to use spacers to extend the bump stops? I was thinking something like these
http://www.quadratec.com/products/16090_1119.htm
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Old 10-29-2012, 09:30 PM   #4
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Quote:
Originally Posted by DeepSouthJeeper View Post
Everything I saw said that it was for the rear except one set of OME extensions which said they were front or rear. So your saying the bump stop extensions might bend the tower? How common is that?
I don't have statistics on how common, but I've read a number of posts about it.


Quote:
Originally Posted by DeepSouthJeeper View Post
And I'd prefer not to drill it out if there is an easier way that works. Still new to this and don't completely trust myself.
gotta learn somehow.

buy a 1/2-13 UNC tap, a tap handle, some 3-in-1 oil or tap oil, and a 27/64" drill bit and follow this video...



mine:



Quote:
Originally Posted by DeepSouthJeeper View Post
Is it really a bad idea to use spacers to extend the bump stops? I was thinking something like these
Old Man Emu FK16 - Old Man Emu Bump Stop Spacer Kit for 97-06 Jeep® Wrangler TJ & Unlimited - Quadratec
Do what you want. I gave you my recommendation - bolt them to the axle pad.
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Old 10-29-2012, 09:40 PM   #5
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Quote:
Originally Posted by UnlimitedLJ04
I don't have statistics on how common, but I've read a number of posts about it.

gotta learn somehow.

buy a 1/2-13 UNC tap, a tap handle, some 3-in-1 oil or tap oil, and a 27/64" drill bit and follow this video...



mine:

Do what you want. I gave you my recommendation - bolt them to the axle pad.
I'll definitely think about your advice, and I'm sure if I go that way (and do it right) then it will work great. The only question will be if I think I'm up to it. My grandpa and uncle will be giving me a hand and they generally know what they're doing, so it might not be so hard after all.
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Old 10-30-2012, 04:16 AM   #6
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Oh hey I just thought of another question. My coil spacers are set up to where they slip over the bump stops. If I relocate the front bump stop couldn't the spacer slip out? Or would it be under enough pressure to stay in place?
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Old 10-30-2012, 04:37 AM   #7
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If you buy a 2" BB kit (like the one I got from TeraFlex) it will come with the bump extensions. I'm pretty sure the front and rear are different lengths, but it's been more then a year since I installed mine so I could be wrong.
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Old 10-30-2012, 07:35 AM   #8
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Quote:
Originally Posted by DeepSouthJeeper View Post
If I relocate the front bump stop couldn't the spacer slip out? Or would it be under enough pressure to stay in place?
go crawl under your Jeep and look at the springs.

by definition, the weight of the jeep keeps the front spacers in place...regardless of where the bumpstop extensions are mounted.
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Old 10-30-2012, 07:40 AM   #9
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Quote:
Originally Posted by UnlimitedLJ04

go crawl under your Jeep and look at the springs.

by definition, the weight of the jeep keeps the front spacers in place...regardless of where the bumpstop extensions are mounted.
Ok, just wanted to make sure they wouldn't fall out going down the high way.
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Old 10-30-2012, 08:19 PM   #10
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Quote:
Originally Posted by UnlimitedLJ04

go crawl under your Jeep and look at the springs.

by definition, the weight of the jeep keeps the front spacers in place...regardless of where the bumpstop extensions are mounted.
Can you do me a favor? Could you post a picture of how your front bump stops look? I'd just like to see the finished product, and how everything works out. Thanks for all the help you've given me.
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Old 10-30-2012, 08:26 PM   #11
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Quote:
Originally Posted by DeepSouthJeeper View Post
Can you do me a favor? Could you post a picture of how your front bump stops look? I'd just like to see the finished product, and how everything works out. Thanks for all the help you've given me.
see post #4
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Old 10-31-2012, 03:34 PM   #12
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It was late, i was tired, and I misread your post at first, and somehow ended up thinking I was supposed to mount the entire bump stop on the axel pad. Now I see you meant to just mount the extensions there. Well that's embarrassing..
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Old 10-31-2012, 03:59 PM   #13
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Here is how I did mine on the axle pads. They are still working. lol

http://www.wranglerforum.com/f5/rubb...od-191752.html
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Old 10-31-2012, 05:49 PM   #14
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Quote:
Originally Posted by Dextreme
Here is how I did mine on the axle pads. They are still working. lol

http://www.wranglerforum.com/f5/rubb...od-191752.html
Cheap and effective!

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