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Old 10-19-2016, 11:17 AM
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First jeep 93 yj 4.0 ho autolockers?

So I'm new to the jeep world for the most part wife has had a kj liberty sense 05 but my first jeep is my new to 1993 yj its got 4.5 of lift 35 12.50 15 bfg ko2 shoes with dans 35 410 gearing Detroit autolocker front is dana 30 410 gearing with aussie autolocker 150,000 on the 4.0 with ax15 5 speed tub solid frame solid odd for utah jeep windshield frame not so much bottom starting to rotten out with frame less soft top full doors I would love to make her super badass. On&off road and will in time with some help from my new brothers and sisters in my yj lovin family lol so with what I have found on the lockers in my girl is that they pop alot and when turning or slow speeds she jumps alot and when I get after it I really have to turn the wheel right to straight and as soon as I let out of it a bit I have to put the wheel straight again is that normal it almost feels like when you are losing the drag links or a bad gear in gearbox but just had front end inspection done and was told it's really tight so any help with my questions will be appreciated thanks

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Old 10-19-2016, 01:09 PM   #2
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I have an autolocker in my front D30 and really notice it when making sharp turns. I don't get the pop or tire squeal like some, but it wants to auto correct or go straight after making a turn faster than it did when the diff was open. It's pretty normal I believe. I have also heard of the tires locking in the turned position with a locker, which sounds similar to your issue. The only way to get rid of those things are to remove the locker and put in the open spider and side gears or upgrade to a selectable locker.

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Old 10-20-2016, 12:53 PM   #3
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I'm completely happy with my Aussie lunchbox..best $200 I spent for wheeling. I hardly notice the infamous 'ratcheting' noise and I recommend them for a budget trouble free, easy install. I ran 85-140 gear oil like my 8.8 and maybe that helped quiet it down? Not sure. I also ran a 2nd (driver) axle seal in the CAD opening for peace of mind. I also have the CR 11800(?) in the pumpkin passenger only because I didn't like the fact it was not designed for a seal.

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Old 10-20-2016, 05:29 PM
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Right on thanks for getting back to me with your experience with these auto lock diffs I do have to say they do work pretty good wheelin I've not done any serious stuff yet but it does kinda feel like they are fighting each other a little bit on dry ground but very excited to dive into the world of jeep
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Old 10-22-2016, 12:14 PM   #5
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Dont lock that d35 youll break it you are already pushing its limits on a 35" tire. I have no issues with my spartan front running xj shafts and 760 joints with a 8.8 lsd combo. In the rear with 4.56 gears. My wife runs front and rear spartans on 33's in her XJ. Were in utah also (slc) So you ya want to hit up a trail or two hit me up.
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Old 10-30-2016, 11:48 AM   #6
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I agree with all previous advice in this thread. Do not use the rear locker unless absolutely necessary. The Dana 35 will let you know when it's not happy. Auto lockers do tend to pop on dry pavement. Auto lockers are not great on pure ice. Open diffs are usually better on pure ice.

I also did the front axle single shaft upgrade on the passenger side using the above mentioned parts. Great increase in front axle ujoint strength.

Save your money for an 8.8 upgrade.

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