bumpstops, shock length, and tires size. help me iron out the fuzzy points.. - Page 18 - JeepForum.com

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post #256 of 383 Old 05-22-2012, 04:01 PM
MCDavis
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Ok, just ordered an MB03 from Summit. Got a band saw in the shop, so cutting it down shouldn't be a problem.

I'm not doing the work myself, so it'd help if I could provide the new bolts with the rest of the parts, if needed. Any idea if the stock bolts can handle a 1/2" spacer? If not, anybody know what size bolt it is, or where I can find the info online? All I can find are the OEM exploded view diagrams, but they don't have the bolt size.
Anybody?

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post #257 of 383 Old 05-23-2012, 09:24 AM
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If those are the body lift picks, then I think that you mount them on the axle spring pad, rather than using them to space down the jounce cup.

If that's the case, then when I mounted mine up front, I drilled and tapped for a 1/2-13 bolt on the spring pad. The length of the bolt would vary based on the thickness of the puck/bumpstop.
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post #258 of 383 Old 05-23-2012, 09:26 AM
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Originally Posted by greg_kulosa View Post
If those are the body lift picks, then I think that you mount them on the axle spring pad, rather than using them to space down the jounce cup.

If that's the case, then when I mounted mine up front, I drilled and tapped for a 1/2-13 bolt on the spring pad. The length of the bolt would vary based on the thickness of the puck/bumpstop.
x2. for the rear, the upper frame side bolts are M10. again, length will vary depending on bumpstop length.
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post #259 of 383 Old 05-23-2012, 09:36 AM
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x2. for the rear, the upper frame side bolts are M10. again, length will vary depending on bumpstop length.
Yes, so if I'm using a 1/2" spacer behind the cup, will the stock bolt work? If not, what size is it so I can get one 1/2" longer?

Or, can I remove the bumper and bolt with the spring in place and just measure it?
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post #260 of 383 Old 05-23-2012, 09:55 AM
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post #261 of 383 Old 05-23-2012, 10:07 PM
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Originally Posted by Unlimited04

yes you can. thats what I would do for front and rear.
So it is possible to add the front and rear bump stop extensions with the coils in place?

I plan to install my RC 2.5" lift on Friday and don't think I can get bs extensions before then.
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post #262 of 383 Old 05-23-2012, 10:34 PM
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So it is possible to add the front and rear bump stop extensions with the coils in place?

I plan to install my RC 2.5" lift on Friday and don't think I can get bs extensions before then.
yes, its possible....provided you've done the setup necessary. for example, attaching front bumpstops requires drilling and taping the spring pad. so as long as you've removed the spring at some point and done that, you can then at a later date shove one 1" bumpstop extension puck at a time into an already installed spring, finger fumble the bolt in and tighten it down.
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post #263 of 383 Old 05-31-2012, 12:09 AM Thread Starter
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So it is possible to add the front and rear bump stop extensions with the coils in place?

I plan to install my RC 2.5" lift on Friday and don't think I can get bs extensions before then.
jks has stackables that can be shoved through the spring, a little pricey tho.

I want your factory 07-up take-off/thrown out JK front/rear Lower Control Arms! Bent ones are perfect also as long as the bushings and cold cut rings are in good shape/useable


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shock length, bumpstop extension, tire size chart click here
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post #264 of 383 Old 11-10-2012, 07:22 PM
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I have this jounce bumper, I was planing to add 1" aluminum pucks to the bottom. Now my question is for this bump stop should I put in a 3" extension and a stock jounce bumper? Or should I be adding a 4" tall puck to the bottom and use a stock jounce bumper?
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post #265 of 383 Old 11-10-2012, 08:46 PM
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I have this jounce bumper, I was planing to add 1" aluminum pucks to the bottom. Now my question is for this bump stop should I put in a 3" extension and a stock jounce bumper? Or should I be adding a 4" tall puck to the bottom and use a stock jounce bumper?
toss that poly jounce bumper out and replace with a stock jounce bumper. then push the spring pad up to the cup...add whatever bumpstop extensions is necessary. when testing full bump, make sure to remove the new stock jounce bumper...it will compress into the cup when the suspension cycles on the road.
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post #266 of 383 Old 11-10-2012, 10:31 PM
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Firstly this is an awesome thread!!
I'm putting in a set of Old Man Emu 2" lifted springs in my 2006 TJ and the supplier (ARB) is telling me I need to space the gear/transfer down using packers. Is this required for only a 2" lift or just a sales pitch?
I am running stock arms, stock drive shaft, with 225/75/15 BFG's
Thanks in advance!!
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post #267 of 383 Old 11-10-2012, 11:01 PM
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image-167532004.jpg

This is what the 2" ome looks like with 35s and metalcloaks. You will need a transfer case drop or cv/ds w/ sye. Trust me the vibes are bad even at 2" without pinion angle adjustment. I might even go with adjustable control arms to dial in.

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post #268 of 383 Old 11-11-2012, 12:46 AM
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Thanks Herklord, not the answer I was hoping for but so be it. Will fit it all up and see how it goes. Nice Jeep by the way!!
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post #269 of 383 Old 11-11-2012, 12:54 AM
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Quote:
Originally Posted by JohnlTJ
Thanks Herklord, not the answer I was hoping for but so be it. Will fit it all up and see how it goes. Nice Jeep by the way!!
FWIW when I put my OME springs in a few years ago I was running stock arms and no t case drop and didn't have vibes.

Throw the springs in and see how it goes.
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post #270 of 383 Old 11-11-2012, 01:56 AM
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Thanks rchase, was also thinking about doing that and see what it does.
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