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Old 01-19-2011, 01:37 PM   #1
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Locker Confusion

Hey again guys,

So Ive been researching lockers lately since I am getting 35s this coming weekend and will need to regear sometime in the near future. I would like to get a detroit locker, but I dont think the budget will enjoy that anytime soon. So for my ford 8.8 rear, I have been researching the Powertrax no slip locker. I thought that lunchbox lockers had to be installed in an OPEN carrier. I came across this locker and it says it will not work with an open carrier, but it will need the LSD carrier. So since my 8.8 has the posi, I am assuming this applies to me. Can someone clarify this to me as to why it had to have the LSD? If this is correct, it will save me a couple bucks by not having to by an open carrier. Here is the link that said it had to be the LSD carrier. Thanks as always

Powertrax 92-0688-3128 No-Slip Traction System | Ford 8.8"

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Old 01-19-2011, 01:51 PM   #2
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I've been looking into lockers as well..I'll probably go with the Aussie locker. Its an automatic locker, dead simple to install. and way cheaper than most..

No...I WILL be getting the aussie. A lot of my decision came from talking with guys that love the locker, and have a great track record with it..I'm no expert on them. But its in my price range, and all i've really heard personally was good things about it.

Home page - Aussie Lockers - Welcome to Torq Masters Home of the Aussie Locker

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Old 01-19-2011, 03:14 PM   #3
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I will probably get something similar for the front axle, but am looking at the powertrax for the rear 8.8. Just a little confused about using the LSD carrier. Also, when looking at lockers it says "7/8 shaft" is this the diameter of the axle shafts?
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Old 01-19-2011, 03:25 PM   #4
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I can't speak for the 8.8 specifically, but I know on a D44 the lunchbox locker is different for lsd vs open carriers.
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Old 01-19-2011, 03:34 PM   #5
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Some lunch box lockers are indeed designed to be installed into limited slip differential carriers as that one is.

Paracad, the aussie locker is a very good locker for the front axle. However, it is not well behaved enough for the rear axle Like the No-Slip is.
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Old 01-19-2011, 03:48 PM   #6
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Thanks for clearing that up Jerry. I assumed that they were normally designed for open carriers...but thats what happens when you assume...

So when it says 7/8" shaft (in the locker description) what is this talking about?
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Old 01-19-2011, 03:54 PM   #7
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I cant say for sure why it needs to be a limited slip carrier. I would guess that was just how they designed that particular product maybe because a lot of the 8.8's had them in them from the factory. But I can say as a once service manager for 4 wheel parts for 5 years. I've see quite a few of those blow up. It maybe better to spend the money and get the Detroit, set it up and for get about it. Just depends how you plan on using it...
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Old 01-19-2011, 07:43 PM   #8
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A Detroit Locker (or nearly any full-case locker not including the ECTED) is of course the way to go when the most possible strength is needed.

What lunchbox lockers were you seeing blow up Apex28? I'm fully aware of the strength differences of any lunchbox locker when compared to a full case locker, there is a dramatic strength difference of course, I'm just curious what was breaking in your experience and what was causing it to break. 35" tires? What lunchbox, were they actually No-Slips? Were they being hammered by rock crawlers or was it just Joe-average offroader?

I've never had anything but a full-case locker in the rear so I'm not a fan of them so I'm just curious what was breaking the rear-mounted lunchbox lockers you saw busted up.
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Old 01-19-2011, 07:53 PM   #9
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Some lunch box lockers are indeed designed to be installed into limited slip differential carriers as that one is.

Paracad, the aussie locker is a very good locker for the front axle. However, it is not well behaved enough for the rear axle Like the No-Slip is.
yea i didn't mention where i wanted to use the aussie, but the guys i've talked to have recommended the front to use the aussie in, thats my plan....d30 in the front and a d44 in the rear is what i have.
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Old 01-19-2011, 08:09 PM   #10
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I'll be the guy to vouch for the Aussie in the rear.. Outside of snow covered roads.. The aussie in the rear for me was fine on the road.. it chirped every once awhile when I was on the gas in a turn, but other than that and doing intentional burnouts or kicking the rearend around intentionaly cause I could.. I never noticed it was there.. I'll admit though the powertrax no slip reviews for the rear speak for themself and I almost went that route when I wanted a rear locker.. Aussie front and powertrax rear is a great combo.. Something if I didn't already have air lockers I would proabably look hard into that combo
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Old 01-19-2011, 08:15 PM   #11
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Quote:
Originally Posted by Jerry Bransford View Post
A Detroit Locker (or nearly any full-case locker not including the ECTED) is of course the way to go when the most possible strength is needed.

What lunchbox lockers were you seeing blow up Apex28? I'm fully aware of the strength differences of any lunchbox locker when compared to a full case locker, there is a dramatic strength difference of course, I'm just curious what was breaking in your experience and what was causing it to break. 35" tires? What lunchbox, were they actually No-Slips? Were they being hammered by rock crawlers or was it just Joe-average offroader?

I've never had anything but a full-case locker in the rear so I'm not a fan of them so I'm just curious what was breaking the rear-mounted lunchbox lockers you saw busted up.
I would be curious about this too.
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Old 01-20-2011, 08:13 PM   #12
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I went with the Richmond over the Aussie even though the Aussie is a local company to me. They were just out when I bought mine, so I ended up with the Richmond and I am happy I did. No fun to street drive in the snow & ice (like all non selectable lockers are), but other than that it is very nice. Super easy to install too! Either one seems to be a good choice.
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Old 01-21-2011, 03:24 PM   #13
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Quote:
Originally Posted by Jerry Bransford View Post
A Detroit Locker (or nearly any full-case locker not including the ECTED) is of course the way to go when the most possible strength is needed.

What lunchbox lockers were you seeing blow up Apex28? I'm fully aware of the strength differences of any lunchbox locker when compared to a full case locker, there is a dramatic strength difference of course, I'm just curious what was breaking in your experience and what was causing it to break. 35" tires? What lunchbox, were they actually No-Slips? Were they being hammered by rock crawlers or was it just Joe-average offroader?

I've never had anything but a full-case locker in the rear so I'm not a fan of them so I'm just curious what was breaking the rear-mounted lunchbox lockers you saw busted up.
I saw them blowing up in a few YJs I worked on that were in a Jeep club together. The 2 I recall both had lunchbox lockers front and rear and had Dana 30 up front and 35 in the rear. One guy had 37s and the other 35s and they were swamper tires. There really isnt anything around here but mud so I would say they were most likely in mud. It was the pins in the middle of the two halfs that would shatter. I do remember one guy saying he was just going up a small hill when his let go. And he just thought the rear was busted because it wasn't locking the rear, but I took the front apart too and found a few of those pins shattered . They were the Powertrax brand. Maybe there are better brands out there I cant say for sure. I just wanted to let people know about what I've seen. I personally would stay away from them unless you are riding on 33s and take it easy off road.
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Old 01-21-2011, 08:02 PM   #14
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I saw them blowing up in a few YJs I worked on that were in a Jeep club together. The 2 I recall both had lunchbox lockers front and rear and had Dana 30 up front and (Dana) 35 in the rear. One guy had 37s and the other 35s and they were swamper tires.
There's the problem right there, we're talking about a Ford 8.8 rear axle and you're talking about a Dana 35c rear axle. The combination of a Dana 35 axle and a lunchbox locker that has to be made physically small enough inside the 35's small carrier is a breakage that is waiting to happen. Especially with the size tires (35" and 37" on a locked Dana 35c ) you witnessed the breakage happening with. That's a very weak combination and is why lunchbox lockers and a Dana 35c are a bad combination.

A Ford 8.8 has a larger/stronger carrier and thus the lunchbox locker is made larger so it is stronger too. The OP has an 8.8 so he will have significantly stronger combination if he decides to install a lunchbox locker back there.
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Old 01-21-2011, 08:26 PM   #15
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Wheew I was thinkin powertrax in general was the issue...it had to be the dana 35

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