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  #1  
Old April 4th, 2015, 07:03 PM
shanecl
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Shane
Def 90 4.2 v8
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Fitting 12" shocks

Hi guys,

Looking to fit some 12" fox or Billy's 7100 short body shock to my 90. I tried a search but nothing jumping out at I me. I learnt I can use a D2 turret for the front but how do I mount the rear any advice and photos would be great. Thanks

Shane
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  #2  
Old April 4th, 2015, 07:10 PM
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Dale
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Rockware shock hoops for rear...
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  #3  
Old April 4th, 2015, 07:17 PM
shanecl
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Shane
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Great, looks to be a bolts on job too. When I read hoops I was thinking welding involved.
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  #4  
Old April 5th, 2015, 02:46 PM
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Mark Bichin
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X2 on the rockware rear hoops...

Rte makes decent front shock towers that should fit a sb12 from bilstein... 7100s are great shocks but make sure you get them valved to 400/100. There are a few guys that sell them that will do it for free and free shipping...
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  #5  
Old April 5th, 2015, 02:55 PM
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RN has the front Fox with correct valving. And rear JKU Foxs' work great with the Rockware hoops- just get correct length.... Rockware also has an adaptor to go eye to eye shocks which helps considerably with shock selection.
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  #6  
Old April 5th, 2015, 05:57 PM
shanecl
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Shane
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Thanks for the replies guys. Silly question but is JKU Jeep. I'm in Ireland and we only have defenders and jap trucks.
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  #7  
Old April 5th, 2015, 07:07 PM
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Yes, 4 door Jeep JKU. You just need the application for proper valving, and then the length to suit.
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  #8  
Old April 5th, 2015, 07:12 PM
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ed angel
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Depending on the amount of lift you have , you will probably be better off with 10" travel front inside your coils and 12" out back on the Rockware hoops.
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95 D90 SW 4.6 ARBs 8274 37" BFGs Gigglepin twin motor 8274
94 D90 ST R380 constine green stock
85 D110 3.5 3 DR
67 NADA diesel tremec 4spd salisbury rear springs on front and a LOT MORE TO GO.

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  #9  
Old April 6th, 2015, 03:28 PM
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Stephan Laputka
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I had them on my truck. In the rear I had standard body's with RTE shocks mounts, 2 inch springs, and 2 trim packers. They cleared in the rear just BARELY when compressed. For the front I had short bodys with d2 towers and a converter that made the bottom eyelet from RTE. I hated the setup personally. When you bolt on that eyelet mount in the front, you loose a solid 1.5 inches from your collapsed length. Also, unless your truck is setup with a 3 link, I never got the drop out of the front to max the length of the shock. So I could have a 10 inch in there and had the same flex. Also, the 7100s (this is just my experience) were poorly made. Within 800 miles I had rattling at hte shock mounts since the metal bushing started to wear. by 2,000 miles, I had all 4 corners chattering like crazy. the shock bodies also rusted terribly and I didn't drive in the snow or mud. The dust seals also rotted away after 2 years. If you really want to do it, make sure you get the bushings conversion from GBR or the noise will drive you mad. Other thing to note.. with the rear standard bodies.. the extended length (plus the eyelet converter) dropped the rear axle so far that spring was on the very tip of the cone and eventually bent it. That was an RTE cone so anything shorter than that, it would have slipped off.

I run Fox now. much better product in my opinion
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  #10  
Old April 6th, 2015, 03:47 PM
shanecl
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Interesting about the 10" on front and 12" on back. Makes sense about the front travel.

It's a tough one wether fox or billy. It's seems to be 50/50 on the feedback. Fox are twice the price though. Was on the RTE site and can't find the hoops.
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  #11  
Old April 6th, 2015, 03:48 PM
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Mark Bichin
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Hoops are rockware.
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  #12  
Old April 6th, 2015, 04:36 PM
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Fox for sure as the Bilsteins aren't what they used to be...
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  #13  
Old April 6th, 2015, 05:19 PM
shanecl
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Can't afford the fox's new. Stuck up a WTD ad to see if any decent secondhand ones about.
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  #14  
Old April 6th, 2015, 06:00 PM
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Stephan Laputka
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Also, for what it's worth.. having that much flex caused more problems for me than it did help. Off road, the car was more unstable in tippy situations. Instead of the front tire tucking up, the rear would just drop out so the truck would lean more going over obstacles.. There might have been other reasons there.. but just sharing my observations.

I also went through bushings like mad. Couple weekends of heavy articulation and my panhard rod would be shot. The rear flexed so much that it tore the rubber boot on the A-Arm ball joint. With that front shock being so long, all the axle stress under articulation was taken solely in the radius arm bushings, so they wore out fast. That was both polybush and OEM. I should also note on the rear, I had off set trailing arms from RTE. I can't imagine the bushing bind that would result with a straight factory trailing arm and a 12 inch 7100 under full articulation. You'd demolish that bushing in no time.

In the end, I shortened the extended length of my rear shocks and it does better now.
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  #15  
Old April 6th, 2015, 09:48 PM
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ed angel
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All of the above could have been settled with fastening your coils top and bottom . I'm on year 5 with rubber bushings with 12" travel front and rear .
I'm running cranked RTE arms .
Ed
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95 D90 SW 4.6 ARBs 8274 37" BFGs Gigglepin twin motor 8274
94 D90 ST R380 constine green stock
85 D110 3.5 3 DR
67 NADA diesel tremec 4spd salisbury rear springs on front and a LOT MORE TO GO.

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  #16  
Old April 6th, 2015, 11:32 PM
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Quote:
Originally Posted by aka rover View Post
All of the above could have been settled with fastening your coils top and bottom . I'm on year 5 with rubber bushings with 12" travel front and rear .
I'm running cranked RTE arms .
Ed
Keep in mind I say this with rear springs retained and 12" remote reservoir shocks in the rear, but there's no reason to put 12" travel shocks on the rear if you're retaining your springs. 10" would do just fine.

(I got a good deal )
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  #17  
Old April 6th, 2015, 11:36 PM
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I'm running retained with 14" sb's
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  #18  
Old April 6th, 2015, 11:45 PM
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aka rover
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ed angel
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Quote:
Originally Posted by cellulararrest View Post
Keep in mind I say this with rear springs retained and 12" remote reservoir shocks in the rear, but there's no reason to put 12" travel shocks on the rear if you're retaining your springs. 10" would do just fine. (I got a good deal )
I use every-bit of my 12" shocks retained with Rock ware upper mounts. my shocks still limit my droop with my coils retained .
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95 D90 SW 4.6 ARBs 8274 37" BFGs Gigglepin twin motor 8274
94 D90 ST R380 constine green stock
85 D110 3.5 3 DR
67 NADA diesel tremec 4spd salisbury rear springs on front and a LOT MORE TO GO.

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  #19  
Old April 6th, 2015, 11:47 PM
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Chris Snyder
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Quote:
Originally Posted by aka rover View Post
I use every-bit of my 12" shocks retained with Rock ware upper mounts. my shocks still limit my droop with my coils retained .
Not really sure how that's possible. But what springs are you running? Older safari gards? I'm about to put some in my truck and that may change my opinion - haven't done the measurements yet. But I have a good 2 - 3" of extra droop when I take the top retainers off currently.
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  #20  
Old April 6th, 2015, 11:58 PM
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Mark Bichin
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Quote:
Originally Posted by Arcadeus View Post
I'm running retained with 14" sb's
I had custom rockware hoops made up that moved the shock body up... Also have a sg extended travel setup that I took off some sg kit... From their old stg 3 kit



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