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Posi unit ?

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Old

Oct 5, 2008 | 06:17 PM

#1

edub32

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Posting Guru

Joined: Aug 2004

Posts: 1,130

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From: Rural Central Ohio

Posi unit ?

Will the 10.25 lsd posi unit fit in our 10.5 rear axle?

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Old

Oct 5, 2008 | 06:21 PM

#2

DCSpecial

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Joined: Dec 2002

Posts: 6,245

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From: IL, USA

Carrier is the same.

When going through the effort, I'd go aftermarket....or at least shim up the factory LSD to make it tighter (clutches wear faster though).

Isn't "Posi" and GM term??

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Old

Oct 5, 2008 | 08:03 PM

#3

BobbyDiesel71

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Joined: Apr 2005

Posts: 2,759

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From: round rock, tx

Quote:

Originally Posted by DCSpecial

Carrier is the same.

When going through the effort, I'd go aftermarket....or at least shim up the factory LSD to make it tighter (clutches wear faster though).

Isn't "Posi" and GM term??

what do you recomend?
Detroit locker for the rear diff and throw posi in garbage??? LOL
dual ARB air lockers!!!!

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Old

Oct 5, 2008 | 08:15 PM

#4

DCSpecial

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Joined: Dec 2002

Posts: 6,245

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From: IL, USA

I know some guys who have shimmed the stock LSD pretty tight and it works well, over time it gradually doesn't work as well as the clutches wear. Then you can rebuild it again when it is no longer acceptable.

Lots of guys like the Trutrac for a LSD.

If you need a locker, Detroit or ARB.

I run ARBs front and rear.

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1025, 105, 2002, 2008, 4x4, 99, diesel, f150, f350, f450, ford, posi, rebuild, unit, units

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