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Old 08-14-2010, 06:19 PM   #1
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Lunch box locker

What are lunch box lockers and how do they work?

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Old 08-14-2010, 06:23 PM   #2
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Old 08-14-2010, 06:26 PM   #3
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Or if you actually wanna post something useful and still short:

These are generally automatic lockers that are installed inside the existing carrier. Nothing difficult really on these installs.
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Old 08-14-2010, 06:29 PM   #4
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That's a good technically accurate explanation of a lunchbox locker.

What it leaves out is that where the Wrangler TJ is concerned, you can install one into your front axle and it won't affect your steering or handling while you are in 2wd. Not all vehicles are like that but a front lunchbox locker works well in a TJ and is a non-issue when you're on the street in 2wd. Manual hubs are unnecessary to install a front lunchbox locker into a Wrangler TJ like some catalogs advise.
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Old 08-14-2010, 06:35 PM   #5
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What are manual hubs for anyway? I thought that's what the transfer case was for. Selecting 2wd or 4wd. Page I found didn't make a lot of sense...
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Old 08-14-2010, 06:38 PM   #6
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Manual hubs are useful to unlock a hub if you break something in the axle on the trail so you can drive home. Or if you have a front automatic locker, you can unlock the front hubs and shift into 4Lo so you get "2Lo" which gives the low speed of 4Lo without the front locker's more restricted steering. I used to run in 2Lo with my last TJ all the time when I didn't need my automatic front locker.
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Old 08-14-2010, 07:13 PM   #7
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Quote:
Originally Posted by Jerry Bransford View Post
Manual hubs are useful to unlock a hub if you break something in the axle on the trail so you can drive home. Or if you have a front automatic locker, you can unlock the front hubs and shift into 4Lo so you get "2Lo" which gives the low speed of 4Lo without the front locker's more restricted steering. I used to run in 2Lo with my last TJ all the time when I didn't need my automatic front locker.
I bet THAT made you popular on the freeway
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Old 08-14-2010, 09:12 PM   #8
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So I have an 03 sport. Would a good setup for lockers be ok with a lunchbox in the front and something else in the back?
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Old 08-14-2010, 11:10 PM   #9
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I have a lunchbox locker in my YJ. I love it. Works great off-road and not noticable on the road. The rear axle is still open, but I have not been in a situation that I was not able to get over an obstical with just the front locked. I say go for the lunchbox in the front, do some wheeling and decide if you want a rear locker. Good luck.

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Old 08-14-2010, 11:22 PM   #10
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The rear axle is still open, but I have not been in a situation that I was not able to get over an obstacle with just the front locked.
Ya gotta start including those obstacles too difficult to even try without a rear locker when you say that Jeff. I can think of one recent one.
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Old 08-14-2010, 11:26 PM   #11
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Ya gotta start including those obstacles too difficult to even try without a rear locker Jeff. I can think of one recent one.
I need bigger than 31s to try to tackle John Bull. Then with the superior suspension of the YJs leaf springs, I will do fine. Next time I will have bigger tires and be more willing to go more aggressive.

So what is your pic for the next MeetnGreet Jerry? Anza Borrego or Gorman/Hungry Valley in March?

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Old 08-14-2010, 11:39 PM   #12
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I don't know for sure Jeff but I'd lean towards Gorman/Hungry Valley. I'm getting kinda tired of Anza Borrego but that'd be cool too since it's all fun.
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Old 08-14-2010, 11:49 PM   #13
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Thanks for posting this. Good information.
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Old 08-14-2010, 11:50 PM   #14
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as soon as i have enough spare money thats what will go next on the jeep. i saw some for $252 (lockright) i did sone reading and 1 brand had a really bad rep, but i forgot which one..... just google it
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Old 08-14-2010, 11:54 PM   #15
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The Detroit EZ-Locker is probably the lunchbox locker you remember as having the bad reputation. I love the Detroit Locker and the Detroit Truetrac is the best LSD going but their Detroit EZ-Locker is probably the worst behaved locker out there, especially if installed into the rear axle.
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Old 08-15-2010, 12:10 AM   #16
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How do you feel about the Aussie Jerry?
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Old 08-15-2010, 12:18 AM   #17
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How do you feel about the Aussie Jerry?
It's a good choice for a front locker but like the Lockright or Ez-Locker, I wouldn't want any of them in the rear axle due to their less than stellar street manners.

Up front, they all behave pretty much alike. Only the Powertrax No-Slip lunchbox locker is different in that it is virtually silent as it operates. The others all click during turns but that's no big deal. The better behaved when in the rear No-Slip is the only lunchbox locker I'd even consider for the rear axle.
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Old 08-15-2010, 12:27 AM   #18
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It's a good choice for a front locker but like the Lockright or Ez-Locker, I wouldn't want any of them in the rear axle due to their less than stellar street manners.

Up front, they all behave pretty much alike. Only the Powertrax No-Slip lunchbox locker is different in that it is virtually silent as it operates. The others all click during turns but that's no big deal. The better behaved when in the rear No-Slip is the only lunchbox locker I'd even consider for the rear axle.
This would (eventually) be for the front D30, as I have a D35 out back with a factory Trac-Loc differential. I'm not going to spend any money on the D35. Not something I'm super crazy to do just yet anyway, just want to know what I need to know to make an informed decision. Thanks as always Jerry.

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