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Shock length thread

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Old Mar 26, 2008 | 11:01 PM
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Shock length thread

I've found it very helpful to have a list of shock lengths to work with when I have been researching how to get the most travel out of my 4Runner. If you are able to find other relevant shock information, please add.

Here are some of the sites i found useful. Could someone post the lengths of OME shocks or any other relevant brands please?

some Bilstein 5150 shock lengths
http://www.shockwarehouse.com/site/bst_5150.cfm

some Bilstein 7100 shock lengths
http://www.bilstein.com/offroad_7100.php

more Bilstein
http://www.fullsizexjgear.com/Kartek...n/Bilstein.htm

Pro Comp
http://www.explorerprocomp.com/PDFs/07cat/72-91.pdf

Rancho
http://www.4x4wire.com/jeep/tech/susp/shockspecs/

Skyjacker
http://www.skyjacker.com/image/catalog/pdf/Shocks.pdf

Monroe
http://www.monroe.com/catalog_lookup...08_AK_Kits.pdf

OME

http://www.lazykracker.com/ome2005.html

some Old Man Emu for Toyota
http://www.sleeoffroad.com/products/...ces_shocks.htm

some Old Man Emu for Land Rover
http://www.expeditionexchange.com/ome/indexshocks.htm

some Old Man Emu for Jeep
http://www.quadratec.com/products/pr...1&h=&spg=t&cv=

Various
http://www.sonoransteel.com/rear_shocks.html

Last edited by Matt16; Mar 27, 2008 at 01:04 PM.
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Old Mar 27, 2008 | 12:30 AM
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Apparently, Old Man Emu uses a relatively stiff spring combined with a soft shock. That must be why my OME coils/ Pro Comp ES3000 are brutal.

Last edited by Matt16; Mar 27, 2008 at 11:02 AM.
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Old Mar 27, 2008 | 11:11 AM
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Ideal shock length for 1.5" lift

This was written a while ago by Mastacox, and I found it very helpful.
Originally Posted by mastacox
So, I have realized that my shocks I have are MUCH longer than most people have for their trucks with moderate lifts... Thought I would get the word out.

I did some research, the shocks I got are 15.25" compressed and 25.25" extended, Rancho p/n RSX 17327, they are PERFECT for a 1.5" HD Downey setup. Stock is 13.0" and 20.75", so these shocks are 4.5" longer. You will, however, need to trim your gas tank skid plate and/or get the panhard bar drop. Also, the bushings are too small, so you need to drill them out with a 5/8 drill bit (the shocks are actually for a 3.5" lifted Wrangler). I have a significant amount of flex in the rear with these shocks, probably about 6" more than stock at the wheel.

My front shocks are 10.00" compressed, and 14.75" extended, Rancho p/n RSX 17010. They are just a little longer than stock (1.375"), but almost the same compressed. Stock is 9.375" and 13.375". These shocks have worked great with the BJ spacers and low-profile polyurethane bump stops.

Anyway, now you know.
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Old Mar 27, 2008 | 11:46 AM
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The other day, I loaded the 4Runner with about 2-300lbs of firewood and then smeared grease all over the piston rod of the shocks. I then went about crossing up the truck (at speed) and then jumping on the bumper (I'm 180lbs) until I was certain that the wheel had stuffed as much as it ever was going to. I got these pictures of the shock piston rod to show how compressed the shock was when it was fully flexed. The picture shows about 1.75" of unused piston rod. This means that you could get away safely with a 14.5" shock versus the 13.06" shock that Pro Comp supplies.

OME supplies such a shock for the Lexus LX450 (which weighs 6500lbs curb, versus about 5000lbs for the 4runner I think). Here are the specs for the shock:

Part #:OME N71E
Valving: Soft
Extended: 24.4"
Compressed: 14.6"

P3020057.jpg?t=1206646112

Last edited by Matt16; Mar 27, 2008 at 12:57 PM.
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Old Mar 27, 2008 | 01:36 PM
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From: GRASS valley, CA
do you have stock bump stops?
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Old Mar 27, 2008 | 02:01 PM
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I have stock bump stops on the passenger side. The bumpstop fell off on the drivers side. Here is the full compression without a bumpstop.

I am thinking about using 3rd gen 4Runner bumpstops as they are bigger than 2nd gen bump stops I believe. I'll find that out soon.

P3020056.jpg?t=1206655506

Last edited by Matt16; Mar 27, 2008 at 02:06 PM.
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Old Mar 27, 2008 | 03:44 PM
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Downey Off Road has these "long travel" shock mounts that would be really easy to duplicate. Theoretically, these cones would allow you about 3 more inches travel- so from 22" to 25" extension.

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Old Apr 1, 2008 | 12:14 PM
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I'm still using those RSX shocks you found in that post I made a long time ago. The rear bump stops are stock, and I carefully measured my max compression before buying them so I don't have any problems over-compressing them AFAIK.

In the front I have ultra-low profile poly bumps for the compression, and low-profile for droop. Most people recommend that you leave the stock bumps for the droop as you may droop too far and damage a CV, but I have had no problems.

Some pics of front and rear flex (I also have swaybar disco's front and rear). All of the pics are pre-ball joint spacers, tires are 33x10.50r15 BFG A/T's:

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Last edited by mastacox; Apr 1, 2008 at 12:16 PM.
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Old Apr 23, 2008 | 12:58 PM
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Mastacox, have you have any idler arm issues? Other steering component wear? Have you re-enforced the idler arm with a brace?
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Old Apr 23, 2008 | 06:18 PM
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The plastic bushings in my idler arm were going bad about every month, so I finally gave up on it altogether and got a Total Chaos Chromoly Idler Arm. Best purchase I've made on the 4Runner, as I suspect its paid for itself in less tire wear and better overall alignments.


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Old Apr 23, 2008 | 07:02 PM
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More info on OME stuff can be found at:

www.4x4connection.com

This is where I've ordered my OME shocks for the pickup. They carry the full line of OME stuff for almost all offroad vehicles. They've got good customer service, and ship fairly quick.
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Old Apr 24, 2008 | 01:59 PM
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After all the research, I decided to go with OME replacement shocks for a stock 4Runner, same limited flex as the stock one's. I think they are less than half an in longer than the Procomps. I figure I'll set the suspension up for the best ride possible over gravel fire roads, put a locker in the back to give traction. I put a wooden toolbox in the back on my 4Runner (bolted down) it rides really nicely now. The locker adds enough traction that I am not worried about rear flex as much.
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Old Apr 24, 2008 | 03:17 PM
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More info on shock lengths in this post, especially if you have leaves in the rear.
HTH.
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Old Aug 8, 2008 | 11:14 PM
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Originally Posted by Matt16
I've found it very helpful to have a list of shock lengths to work with when I have been researching how to get the most travel out of my 4Runner. If you are able to find other relevant shock information, please add.


OME

http://www.lazykracker.com/ome2005.html


Looks like its nice to know info I stored on my site has some usefullness. lol, I meant it there for me. Good old google always catching stuff.
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