Spartan Locker Gap - JeepForum.com
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post #1 of 20 Old 05-06-2020, 10:04 AM Thread Starter
grwgoldpro
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Spartan Locker Gap

1999 Cherokee 4x4 install of Spartan Locker in Chrysler 8.25. Just ordered the locker so Iím getting things ready but first question I have is Center Gap. What do I do if the Gap is 1) over, or 2) under the specified Gap? Makes me crazy thinking about it.

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post #2 of 20 Old 05-06-2020, 10:24 AM
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Basically if you install it correctly, it will be within spec. There would probably be something wrong with it now if it were out of spec. Those thrust washers on the spider gears don't really wear out. Just make sure to follow the instructions and you should be fine. But check it just to make sure.
I have a lock right and have installed a few of them in other jeeps, never had any issues.
A little grease on the springs/pins help keep them in place when you install them. Just so you know, you have to remove the carrier on to take off the ring gear to install it on a dana 30, but there is enough room to install it without removing the carrier in a 8.25. It should go pretty quickly. Good luck!

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post #3 of 20 Old 05-06-2020, 02:23 PM Thread Starter
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The Spartan Locker has 4 spring loaded locking pins held in place and installed in the halves until itís installed in the open diff. Once all pieces are in the open diff you pull the 4 assembly pins out and the spring locking pins engage the opposite sides to make an assembly. Sounds simple enough. Thanks again for the reply.
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post #4 of 20 Old 05-06-2020, 02:26 PM Thread Starter
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The Spartan Locker says to take out the Thrust Washers and Spider Gears with housings and do not use them with the Spartan Locker.
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post #5 of 20 Old 05-06-2020, 02:30 PM Thread Starter
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Now Iím worrying about gear oil for the Spartan Locker. Some say Synthetic 75w-90 and others say Synthetic 75w-140. Big difference in viscosity to me. Worry about 140 being too thick. I live in CA and moving to Arizona where itís hot but more freedom.
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post #6 of 20 Old 05-06-2020, 02:30 PM
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Quote:
Originally Posted by grwgoldpro View Post
The Spartan Locker says to take out the Thrust Washers and Spider Gears with housings and do not use them with the Spartan Locker.
Yeah, lock rights use them and i guess the spartans don't. I have installed both brands and they are essentially the same. The flat surface is where you slide the c clip through, don't try to get it in on another side like i did the first time. Lol

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post #7 of 20 Old 05-06-2020, 02:35 PM
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Just use what your manual recommends. The heavier stuff is if you want to tow. The thicker oil does help to quiet any clicking/ratcheting. But its up to you. The thinner oil will give more MPGs.
I have heard not to use synthetic.... i stick to regular gear oil.
Where in AZ?

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post #8 of 20 Old 05-12-2020, 04:44 PM
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How did it go?

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post #9 of 20 Old 05-16-2020, 12:39 AM Thread Starter
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Just finished getting things ready today. The Spartan Locker came yesterday. Hopefully getter done Tuesday.
Iím moving to Cornville.

Gary
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post #10 of 20 Old 05-19-2020, 09:20 AM
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Originally Posted by grwgoldpro View Post
Just finished getting things ready today. The Spartan Locker came yesterday. Hopefully getter done Tuesday.

Iím moving to Cornville.
My sister in law is from there. I live in prescott at the moment. Seems to be a nice area.
If you have any questions on the install you can message me. Its pretty straightforward though!

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post #11 of 20 Old 05-21-2020, 12:27 PM Thread Starter
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Thank you for all the help. Most likely will be moving near Lynx Creek. Depends on my son. I stay with him but actually live in my Motorhome and move around.

Gary
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post #12 of 20 Old 05-21-2020, 01:31 PM
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I've ran lock rights in 2 different Jeeps and currently run a No-Slip in this one. I just stick with dino 80W-90 and change it by the book maintenance schedule for "severe duty".

1995 Jeep Cherokee Country 4X4 Stock
AW4/NP231/C8.25/D30/"UpCounty" suspension
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post #13 of 20 Old 05-23-2020, 11:01 AM Thread Starter
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Started the Spartan Locker install today and quests what it wonít fit. My Chrysler has clutch plates at the axels and the space is to tight to put the side gears in. Funny nothing on VIN specified this. I guess limited slip is good enough. I donít want to change out carrier.

Gary
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post #14 of 20 Old 05-23-2020, 11:03 AM
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Quote:
Originally Posted by grwgoldpro View Post
Started the Spartan Locker install today and quests what it wonít fit. My Chrysler has clutch plates at the axels and the space is to tight to put the side gears in. Funny nothing on VIN specified this. I guess limited slip is good enough. I donít want to change out carrier.
Yes, it won't fit in a limited slip carrier.

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post #15 of 20 Old 05-24-2020, 12:31 PM Thread Starter
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I think the Trac-Lok I have is good enough for an old man that runs on dirt roads and an occasional dry wash. I just didnít know I had that from the VIN. What about the Dana 30 in front. Do they come with Trac-Lok as well?

Gary
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