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Unread 02-11-2008, 02:27 PM   #1
OnlyJeep4me
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Locking the rear????

Ok, so I did a search on locking the rear and read and read and read and still do not have any clear defined answers in my head.

Can anyone help with this decision? I have a 98 ZJ with a 4.0 and a 35C rear end. The powertrax looks like a very straight forward install unless I am missing something. Is there anything that I need to be aware of?

This is a daily driver that I use for pulling a trailer, boat and fishing and hunting on the weekends. Just do not like getting stuck on the back roads.

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Unread 02-11-2008, 02:33 PM   #2
Texas ZJ1
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Are you running big tires or basically stock sizes? IF so, you can get a detroit locker or a limited slip for the rear. OR a limited slip for the front and rear. I would suggest that if you are working on the diffs and adding a traction device that if you are planning on regearing in the future to go ahead and do it all at once. That way you aren't covering the same ground twice.

Hunter
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Unread 02-11-2008, 02:44 PM   #3
driabyor
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powertrax about the same as an aussie ... Isn't it... if so ,then it's way cheaper
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Unread 02-11-2008, 03:07 PM   #4
OnlyJeep4me
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Quote:
Originally Posted by Texas ZJ1 View Post
Are you running big tires or basically stock sizes? IF so, you can get a detroit locker or a limited slip for the rear. OR a limited slip for the front and rear. I would suggest that if you are working on the diffs and adding a traction device that if you are planning on regearing in the future to go ahead and do it all at once. That way you aren't covering the same ground twice.

Hunter
Just the good ole stockers, 235/15's. The tag on the diff cover was removed before I purchased the vehicle. Is there any way to find out what the gear ratio is?
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Last edited by OnlyJeep4me; 02-12-2008 at 08:28 AM..
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Unread 02-11-2008, 03:23 PM   #5
driabyor
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build sheet.... probably a link in the FAQ
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Unread 02-11-2008, 03:27 PM   #6
mendelmax
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You can find the ratio by rotating the wheel and counting the driveshaft turns.

However, if you are stock, and planning to keep it that way, then maybe as hunter suggested, you may think about LSD? Truetrac for example. It's more friendly on the road, and will help offroad. The only drawback in this situation is the need to set gears when installing, but since you are not touching pinion it's not that hard.
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Unread 02-16-2008, 11:26 PM   #7
hipower47
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i installed powertrax no-slip in both my 97 TJ and 02 KJ with no real problem. they work great and you can hole-shot just about anybody from a stop light in a snow storm leaving the slipping and slidding traffic behind. two neg. though, when you backup in an arc (like out of a drive-way) and then go forward, it relocks kind of harshly. the other is when driving straight in snow or any slippery surface it fish-tails very easy if your not careful. i recommend this locker and plan on installing one in my newly aquired 98 ZJ. also easy to install.
dave.
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