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Differential recommendations?

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Old Mar 18, 2025 | 09:49 AM
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Deadthroughout's Avatar
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Default Differential recommendations?

I am looking at getting a locking or at least limited slip rear differential because i wanna get into some crazier rock crawling and overlanding and i was wondering what you guys would recommend. I would like to keep it under 1500$ and even less would be great but i just dont know what my best options are. Thank you y'all!
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Old Mar 19, 2025 | 02:53 AM
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Id throw a grizzle or Detroit in the front axle with chromoly shafts first. itl be a beast on the trails with locked front open rear.
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Old Mar 19, 2025 | 05:50 AM
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I agree, front locked open rear is awesome. Nose in too deep? Reverse will slingshot your *** out real quick! Give it a whirl bro.
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Old Mar 19, 2025 | 10:00 AM
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Do y'all really think throwing a detroit in the front will be better? Ive heard that throwing a locker in the front will quickly destroy anything weak in the front. Im also thinking of doing an arb rear locker since i want onboard air anyway. I also want this jeep to be highwayable, its being built up for offroading real out in the sticks in alaska and such.
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Old Mar 19, 2025 | 10:02 AM
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Im also thinking of different axels all together so i dont know what my best bet is.
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Old Mar 19, 2025 | 05:04 PM
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Originally Posted by Deadthroughout
Im also thinking of different axels all together so i dont know what my best bet is.
If your planning on swapping the axles to bigger ones then (long story short) I would not invest much into your current axles. A lunchbox locker sure but not a full mechanical or air/electric. Unless you dont mind losing $ when it comes time to get rid of them.

Fwiw i too would suggest a grizzly locker dor just about any axle if its available. Ive had great relaibility and use out of all of mine.

Is your current setup actually holding you back? Or are you just wanting to upgrade And Then start hitting the harder stuff? If this is the case I would suggest to start hitting the hard stuff until you start breaking things. This more soo justifies the need to upgrade. Who knows - your wheeling style may not require the "Big upgrades". You'll find out pretty quick if it's necessary or not.
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Old Mar 19, 2025 | 06:27 PM
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Ive broke 8 or so stock big ujoint front shafts with the grizzle locker withh 4.88s and 35s . I then finally installed some chromoly shafts and knock on wood i havent broke a shaft since.

Front with shafts and open rear is more capable than locked rear open front. By far more capable.

I kinda feel chromoly front shafts shafld be High on the upgrade priorty thats why i place them ahead of rear locker.

I still pack a short and long shaft in my jeep just incase **** happens
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Old Mar 19, 2025 | 08:30 PM
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Originally Posted by That Jeep Guy XJMJ
If your planning on swapping the axles to bigger ones then (long story short) I would not invest much into your current axles. A lunchbox locker sure but not a full mechanical or air/electric. Unless you dont mind losing $ when it comes time to get rid of them.

Fwiw i too would suggest a grizzly locker dor just about any axle if its available. Ive had great relaibility and use out of all of mine.

Is your current setup actually holding you back? Or are you just wanting to upgrade And Then start hitting the harder stuff? If this is the case I would suggest to start hitting the hard stuff until you start breaking things. This more soo justifies the need to upgrade. Who knows - your wheeling style may not require the "Big upgrades". You'll find out pretty quick if it's necessary or not.
Honestly i have had no issues with anything and regularly do stuff that my friend and his taco and locker can do, i kinda just wanted a rear locker so i can do like REALLY crazy stuff.
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Old Mar 19, 2025 | 08:31 PM
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Originally Posted by EvanM
Ive broke 8 or so stock big ujoint front shafts with the grizzle locker withh 4.88s and 35s . I then finally installed some chromoly shafts and knock on wood i havent broke a shaft since.

Front with shafts and open rear is more capable than locked rear open front. By far more capable.

I kinda feel chromoly front shafts shafld be High on the upgrade priorty thats why i place them ahead of rear locker.

I still pack a short and long shaft in my jeep just incase **** happens
I think i might throw a détroit in the front either way im just weighing rear differential options
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Old Mar 22, 2025 | 05:02 PM
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Do the front and spank that taco from here to sunday
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Old May 13, 2025 | 06:39 AM
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I have had Spartan lockers in both axles for about 6 years with 4.56 gears and 35" tires. I beat on it pretty hard and haven't broken anything, they work great on and off road.
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