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JeepSpeed, Prerunner and Competition Tech Forum For Discussion of Modications related to Prerunning, JeepSpeed, KOH, Rock Racing, and any other speed based competitions

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  #1  
Old March 14th, 2015, 20:14
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Weasel Weasel is offline
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YORR Stock-Mod ZJ

YORR - Yellowstone Off Road Racing, local racing circuit that a group of us have been running in that last 4 years. I've been mostly doing pits and co-driving. But been looking for a rig to start building, etc. Was wanting a XJ but, I picked up a ZJ that had been started but the guy had to sell it.

Not sure when I'll be done but I'd like to have it running for the first local race June 13th.

So the rules are pretty open. No internal engine mods, wheelbase 2" from stock, engine stock location, and shocks limited to 2.0" and under.

So what I started with:



Working on getting the heater section and core removed:




And the pile of wire and parts removed so far



Upper bar re-rolled and lower dash bar in:







A is in



All of the damaged sheet metal removed from the front (which was most all of it).




front end boxed in and reinforced
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Old March 14th, 2015, 20:15
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Re: YORR Stock-Mod ZJ

Driver Seat mounted:



Passenger seat tacked up:



Upper cage bars:



Door bars:



Front bumper:


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Old March 16th, 2015, 15:21
95silverstallion 95silverstallion is offline
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Re: YORR Stock-Mod ZJ

Lookin good to me. I wanna cage mine also but Id prefer to do it myself then pay somebody. And I don't have a bender...yet

Last edited by 95silverstallion; March 16th, 2015 at 15:24.
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Old March 16th, 2015, 20:21
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Re: YORR Stock-Mod ZJ

Oh it definitely helps to have someone that's built a few help you out. It's not as simple as one would think.
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Old April 13th, 2015, 10:45
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Re: YORR Stock-Mod ZJ

Fans and radiator mounted up



Got the rear bumper and tire carrier tacked up today:







tire fits:
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Old April 14th, 2015, 09:03
KRAKER KRAKER is offline
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Re: YORR Stock-Mod ZJ

I like it.
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  #7  
Old May 4th, 2019, 22:41
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Re: YORR Stock-Mod ZJ

well things slowed done and got a bit sidetracked. Pulled the engine and found a crap load of leak sealer in the head. So tore it down and found the bores need to cleaned up and the whole thing cleaned. So talking with Russ about a rebuild setup.

In the meantime found a rear axle, 97 LX450 which is the same as a FZ80. Bummer was that is was from Wisconsin and really rusted. That that it matter a ton as all the bracket were coming off.




loaded up and heading off to have it steel shot blasted. Knocked nearly all the rust off.



Drew up a rear truss and had it cut, needed some quick notching to fit the rear axle.


Tacked up and ready to burn in:
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Old May 4th, 2019, 22:48
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Re: YORR Stock-Mod ZJ

Did some upgrades to the hubs. There are some issues if the studs loosen up and the 2 pins shear and they are only 7mm diameter.

So I upgraded the studs to ARP studs. Then had a local shop drill and tap for another 6 5/16-24 bolts. These are countersunk so the shank extends into the hub 3/8". So added 6 more shear pins with an increase in diameter.




up next is the upper link mount, switching the rear over to a 4 link and ditching the panhard.



boxed in the rear


jigged and burned in
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Last edited by Weasel; May 4th, 2019 at 22:51.
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Old May 4th, 2019, 22:50
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Re: YORR Stock-Mod ZJ

Twisted Customs welds:



and then today got the upper link and coil/lower link mounts in the mail and mounted. Coil mounts are just tacked on until it the jeep can get into the shop and swapped in.



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Old May 5th, 2019, 12:35
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Re: YORR Stock-Mod ZJ

I'm curious about the wiring and how you will set up the computer to run the engine and transmission. I'd love to get rid of the wiring in my 1998 Grand and upgrade it to something more reliable and simple.

Great job on the build so far. What front axle do you plan to run?
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Old May 5th, 2019, 15:08
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Re: YORR Stock-Mod ZJ

yeah not sure on the front axle, still working that one out.

Plan on using the stock computer for the engine but having it reworked.

Trans will be shifted with the RaDesign's setup.
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