Spartan Locker Install - JeepForum.com
 
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post #1 of 11 Old 04-08-2015, 07:14 PM Thread Starter
justmejoe523
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Spartan Locker Install

I am getting ready to install new 4.56 gears and Spartan Locker in my 2014 Jeep JKU. It came with 3.21 gears so I had to get a new carrier for the front. The new carrier came with a set of washers but the Spartan states that you do not use washers. It just seems like the center gap is wider than it should be. I have never used or installed a lunchbox. I have always used manual or air lockers so I don't know much about them. Is it normal to have almost a 1/4" gap?

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post #2 of 11 Old 04-08-2015, 08:13 PM
870
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I don't know the answer to your question. But I'm curious as to why you would go to the hassle of changing the carrier rather than go with a grizzley locker. I'm not criticizing you just curious. I was going to stick a spartan in the front of my jeep but decided it would be just as easy to go with a grizzly. Since you have to change the carrier anyhow. Please keep us updated with your install and results. Good luck.
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post #3 of 11 Old 04-08-2015, 08:19 PM Thread Starter
justmejoe523
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I decided to try the Spartan out because it was free. If I don't like it I will just take it out and install an ox like I had planned to originally.
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post #4 of 11 Old 04-08-2015, 09:41 PM
rich6700
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I'm assuming your running 35'' tires. If you do any serious wheeling that Spartan locker won't last long. And I answer our question yes there needs to be a gap. For the locker to unlock in a corner.
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post #5 of 11 Old 04-09-2015, 07:47 AM
Matt98XJ
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The spartan will last longer than you think. The teeth will start to round eventually, but will probably last many years. If the gap in the middle isn't wide enough, it will not be able to unlock.

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post #6 of 11 Old 04-09-2015, 10:08 AM
Monkeybomber
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Well, I've been running a spartan on 34" tires for about a year now. It's been rolling strong. I don't recall the gap during installation, but as others said, if you don't install right it won't unlock/lock properly. To test it with the carrier installed, have someone rotate one tire until it stops against the driveshaft, then have another person rotate the other side tire in the opposite direction. You should hear the teeth clicking over each other. If you've never installed
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post #7 of 11 Old 04-09-2015, 02:27 PM
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In your 2014 you will likely have drivability issues with a mechanical locker. Have fun with it. I have installed 4 total. The first 2 were our of jeep grizzly and a lockright for customers, and both came back wanting a Air locker. The last 2 were in actual jeeps and first one was before the other two came back. Then the last one was a spartan in a 13 jk and he brought it over for me to test drive. Dangerous. Abs freaks out when ever the locker even remotely tugs or fights, and then it fights back and it turned in to a crapstorm of Jeep fighting Spartan.

Spartan + Carrier = about 350-400$. a Yukon Zip air locker is about $725 and with a 50$ rebate makes it $675. I would return what you have and go Air Locker.

But to answer your question.
The JK uses a different internal dimensional carrier, over all other early model one. SO IF you got a JK D30 open carrier? Then there is NO Spartan locker to fit it! If you got a Early typ D30 open carrier, then the spartan is made to fit into it with No Thrust Washers.


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post #8 of 11 Old 04-09-2015, 05:58 PM
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We have been using Eaton (Detroit) mechanical lockers for over a year now with zero issues other than some clunky shifting with the manual. (We also regeared to 4.56)
The only thing I ever notice is a little chirping when I accelerate into a hard turn, usually from a stop.. but I'm used to that from the LSD in the camaro.
The mechanical/selectable locker issue is always a fun one. I thought I'd notice it more, especially in the snow but no... a full year now with no issues of any kind.
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post #9 of 11 Old 04-14-2015, 01:22 PM
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Quote:
Originally Posted by RWKHaus View Post
In your 2014 you will likely have drivability issues with a mechanical locker. ....Then the last one was a spartan in a 13 jk and he brought it over for me to test drive. Dangerous. Abs freaks out when ever the locker even remotely tugs or fights, and then it fights back and it turned in to a crapstorm of Jeep fighting Spartan.
Was this on the rear or front axle? I did my own install on my spartan and I've never had an ABS issue, apart from when I lost my front sensor.
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post #10 of 11 Old 04-14-2015, 01:27 PM
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Quote:
Originally Posted by Monkeybomber View Post
Was this on the rear or front axle? I did my own install on my spartan and I've never had an ABS issue, apart from when I lost my front sensor.
front.


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post #11 of 11 Old 04-16-2015, 09:43 AM
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I called northridge yesterday to talk to them about a grizzley locker and they told me I would have problems in 2013 and newer. But I have an 08. So maybe the spartan will give you problems too. I don't know. May be worth checking into. I'm getting ready to regear to 4:88 with grizzly lockers when Uncle Sam gives me back my money.
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