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Discussion Starter #1
My sons 95 has a front axle seal leak. Since i have to take it all apart, im thinking i may as well upgrade. Im considering the Powertrax no-slip traction system but would really like to hear from people that have this in their D30 YJs. Lots of good reviews in TJs but seemingly limited YJ usage and wondering if im missing something. It's a 17yr olds daily driver that also sees light off roading and snowy winter roads.

I really appreciate the help.

https://www.powertrax.com/traction-systems-product/3151-differential-locker-9204302700/
 

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You do not want locked axles on snowy winter roads. And if you live in the rust belt you really dont want to be driving a jeep around in the winter on salt covered roads.
 

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I currently am running Eaton's Detroit Truetrac on my 92yj with a 2.5 lift on 33s. It's my daily driver and weekend warrior off road jeep. Got them when I regeared to 4.56s. I like them and they perform well for what I do. That's until I want to go large and go with Dana60s. Then I will do an air locker rear end either leave the front open or do an e locker.
 

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Agree with what agalloch said.

A locker in the rear in snow and ice can be compensated for but not in the front. It won't steer just slip, slide in a straight line or whatever line it chooses.
 

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Discussion Starter #5
For the Dana 30 on a YJ, Powertrax makes a "lock right locker" and a "no slip traction system". Maybe im wrong but i thought the "no slip traction system" (which is what i am considering) is a limited slip. So, functionally the same/similar as my 06 LJ came with (non Rubicon) when in 4WD.

Not really the rust belt but we do occasionally get snow and a corresponding application of magnesium chloride. But, i cant control that.

Hwyranger, is your Truetrac up front? I have considered the Truetrac but I think that instal is above my ability.

From Powertrax
"For vehicles that are driven daily, the Powertrax® No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential."

Thanks for the help and replies, much appreciated.
 

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Read this about the Power Trax "No slip"


7. How It Works (continued) When alternating from drive - to coast - to drive while turning, power is redirected from the inner wheel (drive) to the outer wheel (coast), and back again. When alternating from drive - to coast - to drive while driving straight, power remains directed to both wheels. Engine braking is provided through both wheels when the vehicle is proceeding straight, and through the engaged wheel when turning. The Powertrax No-Slip Traction System is bi-directional and operates identically while driving either forward or in reverse.Should a wheel lose traction, the Powertrax No-Slip Traction System engages both sets of drivers and couplers to transfer power to both axles. This eliminates unwanted wheel spin and provides optimum traction performance.


It is not recommended that the Powertrax No-Slip Traction System be installed in front wheel (only) drive vehicles. Front axle installation in full-time 4-wheel drive vehicles is also discouraged. Front axle installation in user selectable “part-time” 4-wheel drive vehicles is fine, but special ve-hicle configurations and usage limitations must be adhered to without exception. The Powertrax No-Slip Traction System must only be installed in the front axle of 4-wheel drive vehicles that are quipped with front axle disconnect or with unlocking hubs on the front axles. A Powertrax No-Slip Traction System installed in the front axle should not be operated on the highway with the front hubs locked and 4-wheel drive engaged. We recommend that a Powertrax No-Slip Traction System always be installed in the rear axle first before adding one to the front axle. To summarize, the Powertrax No-Slip Trac-tion System is ideal for all rear axle installations for superior traction, and will deliver awesome traction when installed in the rear and front axles of 4-wheel drive vehicles equipped with front axle disconnect or unlocking hubs on the front axles.


The diagrams they show in the "Install Directions" it looks exactly like a Lunchbox Locker. Read it for yourself https://www.powertrax.com/wp-content/uploads/pdfs/powertrax/8221001A.pdf



No, I personally haven't run one of those units, I prefer Aussie's my self, then again I don't live in snow country nor am I teenage driver and I fully understand the effects of full case lockers have on the driveablility of any vehicle. Will your teenage son instinctively know what to do when he gets in the first snow storm of the season? WIll he shove it in 4x4? will he slide right through that turn into another vehicle or worse? Questions you have to ask yourself



Now i'll back out of this and let someone that's experinced with this unit chime in
 

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It is not recommended that the Powertrax No-Slip Traction System be installed in front wheel (only) drive vehicles. Front axle installation in full-time 4-wheel drive vehicles is also discouraged. Front axle installation in user selectable “part-time” 4-wheel drive vehicles is fine, but special ve-hicle configurations and usage limitations must be adhered to without exception. The Powertrax No-Slip Traction System must only be installed in the front axle of 4-wheel drive vehicles that are quipped with front axle disconnect or with unlocking hubs on the front axles. A Powertrax No-Slip Traction System installed in the front axle should not be operated on the highway with the front hubs locked and 4-wheel drive engaged. We recommend that a Powertrax No-Slip Traction System always be installed in the rear axle first before adding one to the front axle. To summarize, the Powertrax No-Slip Trac-tion System is ideal for all rear axle installations for superior traction, and will deliver awesome traction when installed in the rear and front axles of 4-wheel drive vehicles equipped with front axle disconnect or unlocking hubs on the front axles.


I have heard this discussed before mostly by TJ guys since they have no disconnect. I cant remember what the theory was about why it was a bad idea but a lot of people are running them without a disconnect anyways. I ran a lunchbox locker in the front of my YJ for about a year with a CAD delete and i never had any problems.
 

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I have heard this discussed before, mostly by TJ guys since they have no disconnect. I cant remember what the theory was about why it was a bad idea but a lot of people are running them without a disconnect anyways. I ran a lunchbox locker in the front of my YJ for about a year with a CAD delete and I never had any problems.
I run an Aussie in the front of both my YJ and TJ but, I don't have winter driving conditions to contend with. In winter conditions it will slide and tend to go straight no matter what you do to the steering wheel. I have experienced this from living in an area that had one maybe two snows a year in different rigs locked front and rear with Detroits.

With a YJ if the vacuum CAD is operating properly in 4wd the front axles will be locked. Heck in my YJ with an Aussie in 2wd the front driveline spins with and locked by the Dside front wheel (not the t-case), only one that spins free is the Pside. A true LSD or open diff would'nt act like this.

Since I have the cable CAD I can still get a sort of open diff action out of it when in 4wd with the CAD disconnected but, can still feel the heavy turn and bite of the diff being locked.
 

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Discussion Starter #9
Thanks Agalloch07 and Engineer, good read and good info. Maybe a true LSD like the Eaton True Trac is worth considering. But, as i read more, that really requires a one piece axle. Maybe i just fix the leaking seal and be done with it...
 

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A TrueTrac would be worthwhile front with/without a single axle conversion and/or rear, it will be a bit more of an install than slap the ring gear and bearings on the new carrier. Backlash and pinion depth should be checked and set properly. A set of 1541H axle shafts should be installed in the D35 if you choose to go that route,
 

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Personally I would not put any limited slip or locker in a jeep that a teenager would be driving in the snow and ice...

Instead I would keep REALLY good tires on it pray the kid keeps the speed down
 

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Personally I would not put any limited slip or locker in a jeep that a teenager would be driving in the snow and ice...
I agree having been "that teenager" once. My oldest is an outlier in that he has been what i would term strangely competent. The 2.5 here in CO keeps the speed and jack rabbit starts well under control. Jeeps not lifted and is running 235s so not as top heavy as most. He's already had to conduct trail repairs without dad and is leery of breaking more stuff; he pays for all trail damage etc. Not saying that he isnt capable of a bad decision, he is, just not as prone as i was. He spent all last winter driving solo through the state to go skiing with friends so has a lot of winter, highway, and crazy tourist experience. 1 week after he got his license, he got rear-ended and shoved into the car in front of him while stopped on the highway (in moms car and no one was hurt). That scared him to death!!! Best lesson i never wanted him to have regarding speed and tailgating. Thanks Gottagofast, i appreciate your concern and your point about good tires.
 
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