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Unread 07-12-2010, 01:38 AM   #1
hritz77
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2003 TJ Wrangler 
 
Join Date: Apr 2005
Location: Lake Station, Indiana
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question about bump stops

hi do I need to use extended bump stops with a 2" pro comp spring lift? I was told its not necessary. if that is not true and I do need them can you recommend the ones I should use.
Thanks

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Unread 07-12-2010, 04:22 AM   #2
Fropleyqk
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The only way to really know for your jeep is to jack up your axle one wheel at a time and see if anything hits before the bumpstop. Keep an eye on your front trackbar/diff cover. Try turning the front wheels left and right keeping an eye on the steering linkage as you lift as well.

Someone else's jeep with the same setup may need them while yours doesnt or vice versa.
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Unread 07-12-2010, 04:28 AM   #3
g4x4xgeoff
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Quote:
Originally Posted by fropleyquark View Post
The only way to really know for your jeep is to jack up your axle one wheel at a time and see if anything hits before the bumpstop. Keep an eye on your front trackbar/diff cover. Try turning the front wheels left and right keeping an eye on the steering linkage as you lift as well.

Someone else's jeep with the same setup may need them while yours doesnt or vice versa.
I agree completely. only way to know is to test.
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Unread 07-12-2010, 06:28 AM   #4
Unlimited04
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Quote:
Originally Posted by fropleyquark View Post
The only way to really know for your jeep is to jack up your axle one wheel at a time and see if anything hits before the bumpstop. Keep an eye on your front trackbar/diff cover. Try turning the front wheels left and right keeping an eye on the steering linkage as you lift as well.

Someone else's jeep with the same setup may need them while yours doesnt or vice versa.
you're on the right track...to add/correct some of that

basically do this for each axle:
1. Remove springs.
2. Reconnect shocks and all suspension components.
3. Lift axle up/lower frame down to bring bumpstops to set on the spring pad.
4. whatever hits first, thats how much bumpstop you need.
5. diff cover might hit track bar, shocks might bottom out, brackets might hit someplace, or maybe nothing will happen.
6. a lot will depend on the collapsed length of the shocks.
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