bumpstops, shock length, and tires size. help me iron out the fuzzy points.. - Page 21 - JeepForum.com
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post #301 of 383 Old 03-23-2013, 09:27 PM
BamaJeepman21
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Originally Posted by chmo View Post


so ... the remote reservoir 5160 seem to come out a bit shorter (because the floating piston is in the reservoir!):

front: TJ 3" lift Bilstein 5160 25-193114 / 14.5 - 24.7 / 10.2" travel
rear : TJ 3" lift Bilstein 5160 25-193145 / 13.5 - 22 / 8.5" travel
got them from Kolak here on JF!

I run them with about 1.5" bump stop extension (front and rear) and ~3" lift ... gives me nice ~5.5" up and ~4.5" down in the front ... In the rear plenty up as well...

Attachment 591962

Attachment 591959

so far I like them ... and I came from the OME N66/N67 fraction.
The fronts are a good inch longer than the 5100's. What trackbar/diff cover setup are you running?


-Jack
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post #302 of 383 Old 03-23-2013, 10:23 PM
chmo
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shorter compressed length and longer expanded for the front, yes.

In the front I am running the stock D30 diff cover, a ZJ V8 tie rod ... and still my teraflex adjustable track bar ... the currie TJS is ready on the shelf, did not get to it yet(and the tera is still good).

I used to have slight diff cover rub at full bump with the teraflex when I was running NO additional bump stop extension, but since I have the prothanes with inner 1.5" hard core there are no fresh marks on the cover (the old ones corroded red)

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post #303 of 383 Old 03-24-2013, 08:11 AM
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post #304 of 383 Old 03-24-2013, 08:54 AM
chmo
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Originally Posted by Unlimited04 View Post

I found the Teraflex track bar to need about 4" of bumpstop extension.
See full bump check here: http://www.jeepforum.com/forum/f9/tj...l#post12945566
hehe ... ok ... so I will go out tomorrow to take some measurements ... upper and lower control arm lengths and take some pics ...
thanks!

(okok ... time for the tjs ... no need to prove anything .. but some guys here run the teraflex tb with 2"lifts and no diff contact marks at all and certainly without 4" bs extensions)

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post #305 of 383 Old 03-24-2013, 02:07 PM
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Originally Posted by Unlimited04 View Post
I found the Teraflex track bar to need about 4" of bumpstop extension.
See full bump check here: http://www.jeepforum.com/forum/f9/tj...l#post12945566
Wow!

With sufficient thrust, pigs fly just fine.
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post #306 of 383 Old 03-25-2013, 03:45 AM
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hehe ... ok ... so I will go out tomorrow to take some measurements ... upper and lower control arm lengths and take some pics ...
thanks!

(okok ... time for the tjs ... no need to prove anything .. but some guys here run the teraflex tb with 2"lifts and no diff contact marks at all and certainly without 4" bs extensions)
teraflex TB ... ok in my case SO FAR ... see photos in below link:
(but not ok what I found else: my CA "adjustments" do not allow a final statement yet)
http://www.jeepforum.com/forum/f9/tj...l#post15189053

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post #307 of 383 Old 03-25-2013, 04:07 PM
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Hi everyone I am a little bit of a noob when it comes to bumpstop lengths and I need some help so please try to bear with me. Here is what I am running. 2" BB on stock Rubi coils, 1.25" BL (w/mml), 33x12.50 Duratracs, 2" Bumpstop extentions, and Bilstein 5100s for 0-2" of lift. Here are the specs for the shocks.

Front:
Collapsed Length (IN): 13.06
Extended Length (IN): 21.18
Travel Length (IN): 8.12

Rear:
Collapsed Length (IN): 12.81
Extended Length (IN): 20.08
Travel Length (IN): 7.27

I am heading to the auto hobby shop on base this Friday to install my ZJ Tie rod and new filler hose so I would like to correct my bumpstops while I am there with all of their tools.
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post #308 of 383 Old 03-25-2013, 06:49 PM
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Originally Posted by Jwolfer View Post
Here is what I am running. 2" BB on stock Rubi coils, 1.25" BL (w/mml), 33x12.50 Duratracs, 2" Bumpstop extentions
....
I would like to correct my bumpstops while I am there with all of their tools.
2" bumpstop extensions front and rear? if so, you're fine.

but keep in mind, since it's a BB, there is no uptravel improvement over stock, and slightly less overall travel than stock due to the shock lengths. it's fine for going to the mall and "lookin' tough" with 33s though.
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post #309 of 383 Old 03-25-2013, 07:24 PM
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2" bumpstop extensions front and rear? if so, you're fine.

but keep in mind, since it's a BB, there is no uptravel improvement over stock, and slightly less overall travel than stock due to the shock lengths. it's fine for going to the mall and "lookin' tough" with 33s though.
I have been pretty capable off road as well. I don't need a ridiculous amount of travel for the trails I hit. Would I be able to use 3" springs eventually or would I need new shocks too?
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post #310 of 383 Old 03-25-2013, 07:26 PM
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Would I be able to use 3" springs eventually or would I need new shocks too?
swap out the BB for 3" springs. longer shocks in front would help. get an alignment, adjust caster as necessary w/ lower control arms. check for longer brake lines.
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post #311 of 383 Old 03-25-2013, 07:31 PM
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Originally Posted by Unlimited04 View Post
swap out the BB for 3" springs. longer shocks in front would help. get an alignment, adjust caster as necessary w/ lower control arms. check for longer brake lines.
I plan on doing all of that in the next few months. I start active duty in July so I will finally be getting paid. Thanks a lot for your help.
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post #312 of 383 Old 03-27-2013, 09:12 PM
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Ok so comming from a YJ now to a TJ I am new to all this stuff. I am looking at the Savvy/Currie 3" or 4" lift with the AR and a 1-1.25" BL and to run 35's. The more I read the more I get confused. Some say you can run 35's w/ a 3" lift and a BL and others say I must have a least a 4" w/ a BL to clear 35's. I don't want to just be able to clear 35's on the street but on the trails with capable rig with articulation "is that a YJ thing". So if I use the 3" lift and I going to have some much BS that the tires have no place to go.

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post #313 of 383 Old 03-30-2013, 11:23 PM
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Thanks. How would I go about finding the travel of each shock? Extended - compressed?

Front: 24-14.8 = 9.2

Rear: 23-14.6 = 8.4

So does that mean the front is a 9" travel shock and the rear a 8"? Seems a bit short. I was talking to Imped and he recommended 5" up/down on stock mounts. Obviously I would need a 10" shock for that.
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Originally Posted by Unlimited04 View Post
correct. Bilstein's run a bit on the short side. Old Man Emu usually has longer travel shocks.
I've been doing some thinking...

8.5" of travel with 4.75" of up travel and 3.5" of down travel is the best I can do on stock mounts right? If I moved to a 10" shock I would loose all the up travel I have now. So the only way to get better travel is to move the mounts around?

-Jack
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post #314 of 383 Old 03-31-2013, 08:39 AM
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Originally Posted by BamaJeepman21 View Post
8.5" of travel with 4.75" of up travel and 3.5" of down travel is the best I can do on stock mounts right? If I moved to a 10" shock I would loose all the up travel I have now. So the only way to get better travel is to move the mounts around?
it depends how fancy you want to get. but ~5" up/~4" down is not bad at all. but yea, if you want more travel, with a longer shock, you'll need more bumpstop extension. with stock mounts, that usually means more lift too.
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post #315 of 383 Old 03-31-2013, 11:42 AM
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Originally Posted by Unlimited04 View Post
it depends how fancy you want to get. but ~5" up/~4" down is not bad at all. but yea, if you want more travel, with a longer shock, you'll need more bumpstop extension. with stock mounts, that usually means more lift too.
Yea it's not bad. I like the amount of travel the front has. The rear could use a bit more but I would lose up travel. I'll hopefully link and outboard by the end of the year so I'm not too worried about it.

-Jack
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