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Unread 03-05-2013, 07:03 AM   #1
Mister 4x4
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Scout axle LSD options?

I am rebuilding a set of dana 44 axles froma scout and I finished the front last week. I just finished cleaning the housing on the rear and was taking apart the carrier when I found the drive pin and spiders are shot. I found significant wear on the case as well where the thrust washers sat. So know I have a choice. I was considering dropping in a locker of some sort but I only want a selectable for the better street manners. Those are more than I want to spend at this point and the Jeep will not be a hard core offroad vehicle. I am not sure at this time how much it will see dirt. So my other option would be a good LSD and then I can drop in a lunch box locker for the front end since I have the twin stick for the dana 300 this makes good sense to me.



So I read allot about the Truetrac from Eaton but they do not recommend tall tires and many people have blown them up due to the amount of small moving parts. The stock replacements like the Track lock are not an option as they are not very good. I had one before in a CJ7. So what about the rest? Auburn has a cheap one but it is not rebuildable. Yukon makes the Powerlock I think. Anyone have good experience with the aftermarket LSD unit?



If I have to I may go to the Ziplocker from Yukon but $750 is a hard number to swallow on something that will see limited offroad use.

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Unread 03-05-2013, 07:17 AM   #2
Matt1981CJ7
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You might find this interesting.

Matt

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Unread 03-05-2013, 09:01 AM   #3
Mister 4x4
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That was a good video thanks for the link
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Unread 03-05-2013, 09:16 AM   #4
aufan
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My jeep is in the shop right now getting Yukon zips front and back. All they do is build rigs. They persuaded me to look at the yukons.Btw that video is a Chinese locker not a zip.
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Unread 03-05-2013, 09:29 AM   #5
Matt1981CJ7
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Quote:
Originally Posted by aufan View Post
Btw that video is a Chinese locker not a zip.
Umm, do you have proof of that? They clearly state that it's a Zip.

If it's not, I'd think ARB would be liable for false advertising.

Matt
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Unread 03-05-2013, 09:51 AM   #6
aufan
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Matt,

The topic has been highly discussed on pirate 4x4.


http://www.pirate4x4.com/forum/gener...lockers-6.html


Vid of zip locker breaking 5 diff axles:
http://www.youtube.com/watch?v=rbOkS...ature=youtu.be
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Unread 03-05-2013, 10:59 AM   #7
Mister 4x4
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Thanks for the pirate link. I go there often but didn't look for LSD threads yet.
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Unread 03-05-2013, 01:22 PM   #8
lucdog
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Mister 4x4, what you said about the Trutrac is to my knowledge incorrect. Are you sure you wernt reading about the E-locker from Eaton. The Trutrac has no small parts, and I think more research would show it is the best LSD carrier you can buy.
Anything can be broken, when limits are exceeded . I believe 33" tires are the limit on Trutrac's, this could have changed recently though to a bigger tire.

I ran a Trutrac in a full size jimmy for 5 years with 35" BFG all terrains without any problems.

I tried to do a burnout 2 times. Both times instead of breaking the rears loose, I skidded the front tires on blacktop. That speaks volumes about this LSD to me.
The Trutrac will not lock the axle up 100% on both rears. I believe the best is 60/40 .
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1957 WILLYS pickup, needs work.
1973 J 4000,
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1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
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Unread 03-05-2013, 02:20 PM   #9
Mister 4x4
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I have been finding more and more good info about the Trutrac and I do take most negative opinions with a grain of salt when reading random forum statements from a google search. I did find a drag racers forum and it seems those guys live and breath the trutrac for the street legal drag cars. I think this could be the best way for me to go and if i need more traction then I can lock the front at a later date.
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Unread 03-05-2013, 02:50 PM   #10
CSP
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If I were shopping for a limited slip the Trutrac is the one I'd by. I had one in a '68 Camaro that ran 12's (on slicks) at altitude and never had a stitch of problems with it.
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Unread 03-05-2013, 03:13 PM   #11
brownbagg
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aussie locker dont have a tire size and pretty tough
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Unread 03-05-2013, 03:17 PM   #12
lucdog
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Quote:
Originally Posted by brownbagg
aussie locker dont have a tire size and pretty tough
And it's not a LSD either.
__________________
1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
2005 TJ Rubicon.
2011 Grand Cherokee Laredo 4x4, Mrs. LUCDOG's DD.
Lots of parts not for sale, i'm a hoarder.
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Unread 03-05-2013, 05:19 PM   #13
Tigerjeep79
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I like the Trutrac a lot. It seems to react pretty quick, and you don't even notice it on the street. But get into a sandy wash and stand on it, and you'll get two solid roosters.
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Unread 03-05-2013, 06:45 PM   #14
Mister 4x4
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I am ordering the Truetrac right now from Summit racing. This will fit my bill pretty good. This along with the Disk brake conversion is going to make it a pretty damn good axle for my build. I never will go over 33 inch tires so it will be plenty strong for me. Thanks for all the advice
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