What's a good possi./ locker?
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Mountain Pass
Joined: May 2004
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What's a good possi./ locker?
I was calling about some 4:30 gears today and new diffs. It seams like an Eaton possi. is one of the only opptions out there for a superduty aside from a Air locker or detroit. Is that true? I've herd a detroit is to harsh on the road, (esecialy with a lot of weight) What have people used and liked? Are the Eaton's Junk, or are they much better then the stock limited-slip? Thanks
Posting Guru
Joined: Sep 2003
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the air lockers may be noisy and-or troublesome, but the concept of it is the best you can get. you get either all or nothing. it's suer smooth when out of lockup and when you get syuck, klunk, and gas, then you'r unstuck. sounds like a good deal to me. when they work like they are suposed to, it is the best you can get. and they have to come with a retty decent warranty right??
Elder User
Joined: Dec 2003
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From: Kokomo
Just because a air locker comes with a good warrenty doesn't mean it's the way to go, it takes some time to get it out and wait on the new one to come in and re-install, new fluid $$$, and the down time, they haven't been doing so well too. Best bet is to go with the strongest\longest lasting locker you can find, I am going for a spool, no worries...
Postmaster
Joined: Dec 2002
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From: USA
Most aftermarket traction differentials cost in the $300 to 800 range, plus installation, which can range from about $200 to 400.
The least expensive lockers are the TracTech EZ Locker and the Powertrax Lock Right, since both of those use the stock case. The least expensive limited slip might be the Trac Lok, which is what comes stock in the trucks when the optional limited slip diff is ordered. The Trac Lok is also made by Dana and Precison Gear. Other limited slips to consider are the Dana/Precision Gear Power Lok, the Eaton Posi and the Auburn.
The ARB Air Locker mentioned above is the most expensive choice. Cost is around $1000, plus intallation, which is also more involved because of the on-board air compressor system that is required to operate the differential.
Less expensive selectable diffs are the Eaton E-Locker, TracTech Electrac, and Auburn ECTED. Selectables range from about $450 to 750, except the ARB.
Check out the following manufacturer websites for more info:
www.traction.eaton.com
www.powertrax.com
www.tractech.com
www.auburngear.com
www.precisiongear.com
www.arb.com
The least expensive lockers are the TracTech EZ Locker and the Powertrax Lock Right, since both of those use the stock case. The least expensive limited slip might be the Trac Lok, which is what comes stock in the trucks when the optional limited slip diff is ordered. The Trac Lok is also made by Dana and Precison Gear. Other limited slips to consider are the Dana/Precision Gear Power Lok, the Eaton Posi and the Auburn.
The ARB Air Locker mentioned above is the most expensive choice. Cost is around $1000, plus intallation, which is also more involved because of the on-board air compressor system that is required to operate the differential.
Less expensive selectable diffs are the Eaton E-Locker, TracTech Electrac, and Auburn ECTED. Selectables range from about $450 to 750, except the ARB.
Check out the following manufacturer websites for more info:
www.traction.eaton.com
www.powertrax.com
www.tractech.com
www.auburngear.com
www.precisiongear.com
www.arb.com
Last edited by SoCalDesertRider; Feb 1, 2005 at 12:46 AM.
Cargo Master
Joined: Nov 2004
Posts: 2,858
Likes: 3
From: Friendswood, Texas
Originally Posted by SoCalDesertRider
Most aftermarket traction differentials cost in the $300 to 800 range, plus installation, which can range from about $200 to 400.
The least expensive lockers are the TracTech EZ Locker and the Powertrax Lock Right, since both of those use the stock case. The least expensive limited slip might be the Trac Lok, which is what comes stock in the trucks when the optional limited slip diff is ordered. The Trac Lok is also made by Dana and Precison Gear. Other limited slips to consider are the Dana/Precision Gear Power Lok, the Eaton Posi and the Auburn.
The ARB Air Locker mentioned above is the most expensive choice. Cost is around $1000, plus intallation, which is also more involved because of the on-board air compressor system that is required to operate the differential.
Less expensive selectable diffs are the Eaton E-Locker, TracTech Electrac, and Auburn ECTED. Selectables range from about $450 to 750, except the ARB.
Check out the following manufacturer websites for more info:
www.traction.eaton.com
www.powertrax.com
www.tractech.com
www.auburngear.com
www.precisiongear.com
www.arb.com
The least expensive lockers are the TracTech EZ Locker and the Powertrax Lock Right, since both of those use the stock case. The least expensive limited slip might be the Trac Lok, which is what comes stock in the trucks when the optional limited slip diff is ordered. The Trac Lok is also made by Dana and Precison Gear. Other limited slips to consider are the Dana/Precision Gear Power Lok, the Eaton Posi and the Auburn.
The ARB Air Locker mentioned above is the most expensive choice. Cost is around $1000, plus intallation, which is also more involved because of the on-board air compressor system that is required to operate the differential.
Less expensive selectable diffs are the Eaton E-Locker, TracTech Electrac, and Auburn ECTED. Selectables range from about $450 to 750, except the ARB.
Check out the following manufacturer websites for more info:
www.traction.eaton.com
www.powertrax.com
www.tractech.com
www.auburngear.com
www.precisiongear.com
www.arb.com
Best Regards
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Senior User
Joined: May 2004
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From: murphy nc
my pwertrax posi cost 521 plus 184 labor/oil. probably can buy part cheaper but labor probably more in your area
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Posting Guru
Joined: Oct 2002
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From: Del Rio, Texas USA
i have an Auburn LS... the thing is amazing for a LS, very rarely does it let one wheel spin... ive posted a few differnt reports on its performance when i installed it and tried it out... search for "auburn" or something, find my old posts they are very informative... nothings changed, the thing still works awsome.
Postmaster
Joined: Dec 2002
Posts: 3,959
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From: USA
Texan2004- Glad to help! 
Joedpilot- Not to tryin to ridicule ya bro, but I really wish you would quit calling that Powertrax diff a 'posi', you're confusing people. The Powertrax NoSlip, if that is what you have, is not a posi, or limited slip. It is an automatic locker with similar function as a Detroit Locker, EZ Locker, and Lock Right. There are no clutch packs in the NoSlip differential. It has a ratcheting gear mechanism that locks both sides together and allows for wheelspeed differentiation via the same ratcheting mechanism. The outside axle in a turn can spin faster than the differential case, but no axle can spin slower than the case, therefore, it does not allow wheelslip, like a posi/limited slip does. Think of it however you like, but what you have with that NoSlip is much better than a posi/limited slip!
Joedpilot- Not to tryin to ridicule ya bro, but I really wish you would quit calling that Powertrax diff a 'posi', you're confusing people. The Powertrax NoSlip, if that is what you have, is not a posi, or limited slip. It is an automatic locker with similar function as a Detroit Locker, EZ Locker, and Lock Right. There are no clutch packs in the NoSlip differential. It has a ratcheting gear mechanism that locks both sides together and allows for wheelspeed differentiation via the same ratcheting mechanism. The outside axle in a turn can spin faster than the differential case, but no axle can spin slower than the case, therefore, it does not allow wheelslip, like a posi/limited slip does. Think of it however you like, but what you have with that NoSlip is much better than a posi/limited slip!
Last edited by SoCalDesertRider; Feb 1, 2005 at 07:42 PM.
Senior User
Joined: May 2004
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From: murphy nc
Does that mean that some people are as confused as i am? Really though i appreciate the correction. You have told me more and in an easier to understand way how my power trax thinggy works than the installer did!
Postmaster
Joined: Dec 2002
Posts: 3,959
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From: USA
No worries . I think part of the confusion comes right from the Powertrax marketing information. It seems their marketing department is trying to break free from the 'clunking and banging' image associated with auto-locking differentials. I also notice they have quit using the 'NoSlip' name for that differential. They're now calling it the 'Powertrax Traction System'. Even the way they describe the differential is confusing, claiming it acts like a limited slip but has the traction of a locker. An examination of the exploded view of the parts that make up the differential makes it clear though, it's still the same locker it has been, just has a little better manners than it's 'uncivilized' brother, the Lock Right, which, incidentally, I have in the rear axle of my F350 and it's not quite as 'harsh' as some people claim it to be .
Have fun with the new toy!
. I think part of the confusion comes right from the Powertrax marketing information. It seems their marketing department is trying to break free from the 'clunking and banging' image associated with auto-locking differentials. I also notice they have quit using the 'NoSlip' name for that differential. They're now calling it the 'Powertrax Traction System'. Even the way they describe the differential is confusing, claiming it acts like a limited slip but has the traction of a locker. An examination of the exploded view of the parts that make up the differential makes it clear though, it's still the same locker it has been, just has a little better manners than it's 'uncivilized' brother, the Lock Right, which, incidentally, I have in the rear axle of my F350 and it's not quite as 'harsh' as some people claim it to be .Have fun with the new toy!
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