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"Lunch-Box Locker" questions

Discussion in 'Early CJ5 and CJ6 Tech' started by w3srl, Dec 20, 2005.

  1. Dec 20, 2005
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
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    4,275
    Ok, so I've heard all the hype about "real" lockers, and it all seems to be about personal preference.

    Just what is it about the Aussie Locker and the Lock-Rite that folks don't like? Is it the on-road "manners" or the inherent strenght of the unit?

    Has anyone ever actually seen a grenaded "lunch-box locker"?

    Fill in the blanks here, if you would fellas...:?
     
  2. Dec 21, 2005
    Jeepsterman

    Jeepsterman I had a beer with Panzer.

    Southgate, MI
    Joined:
    Sep 23, 2002
    Messages:
    90
    I have never heard too much bad. I know a lot of guys on another list I was on run them and liked them. A lot of them ran Loc-Rites IIRC. I think it is another depends on what your going to do with it. If you are running the Hammers on a regular basis, you might break or wear one out. For most wheeling that this group usually does and the drive train your running, you would probably not have much problem with them.
     
  3. Dec 21, 2005
    neptco19

    neptco19 That guy....

    Athens, GA
    Joined:
    Sep 26, 2003
    Messages:
    1,381
    I think the main concern is the weakness. In my front LR I have broken two of the pins that line both pieces up. Not a major problem that damaged anything just it wouldnt stay locked in. But other than that everything is fine. Also the more miles you get on them the more they will "ratchet" and make more noise, due to the edges of the teeth getting worn down.
     
  4. Dec 21, 2005
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
    Joined:
    Sep 20, 2002
    Messages:
    3,437
    I've been running them for years.
    (D30 front, Flanged D44 rear)
    Cons:
    1). Ratchety-clicking sound going around corners. The outer wheel unlocks and overrides the driven inside(because it has to go faster/travel farther) and ratchets as the dogs slide by each other. Can minimize sound by running 75/140 multi-visc gear oil in the diff. Personally, I like the sound :D I also like the look on the faces of bystanders when you pull into a parking place, gas pump, etc, with a ratcheting sound. Some will tell you "hey, somethings REALLY wrong with your Jeep!!" :D

    2). Banging sound!! Sometimes, like after a turn when accelerating, or decel., there is some bind between the two axle speeds. Not enough to ratchet, so it builds up and then unloads suddenly, causing a very loud bang in the driveline. Sounds like someone smacked your axle with a 10" I-beam!!! :shock: It's normal, and after a few times you get used to it... and you learn how to change your driving habits slightly to minimize it. It is kinda fun to shock passengers with :twisted:

    3). Often accompanying the banging sound, when accelerating then shifting, say pulling out on a highway, will be a change in the driven side or change from one side driven to both equally... this can cause a sudden lane change. This seems to be more prevelant in higher-powered rigs. I seldom experience it, and when I do it's a bang followed by a perceived shift in the rear end to one side or the other, not enough to cause a lane change, just a bit of a swerve, easily anticipated and compensated for. I've never had it cause me to leave my lane.

    4). Off-camber slide. When both axles are driven at the same rate, and both break traction as on ice/snow/slick mud, the rear of the rig will slide in whatever direction is downhill. I had that happen on Sunday, went to the woods to get my treestand. A couple inches of snow on the ground. I'm in 2nd, low, on a woods trail on a hill, with 2" of intermittent snow on the ground. I crossed an erosion bar cut into the trail, my back tires both lost traction at the same time and the rear started sliding sideways for about a foot until the front pulled me straight. My wife was not pleased :shock: R) This is why I do not drive my rig in snow/ice on the roads. You really need one tire front and rear to be not driven to keep your rig tracking straight. Some say you get used to it with just a rear locker and an open or FSD front... but I run Lockrights front and rear, so I don't take the Jeep out.

    Pros:
    1). Cheap, as lockers go.
    2). Very easy to install. You will have to remove the ring gear from the carrier for any gears 3.73 and (numerically) higher. No biggie, make sure carrier bolts and holes holes are clean, use blue loctite to assure bolts stay put.
    3). Major offroad traction improvement. Places where you may have had to spin your way up a hill may now be conquered without spinning at all.
    Crossing downed trees becomes much more predictable. The difference is amazing.
    4). Reliability. For the type of wheeling I do, and for what I've seen here and in pics for the east coast, and for the power of our :hurrican: and :v6: rigs, the lunchbox lockers hold up just fine with 33s or smaller.
    Of course they will wear eventually. What I've heard as a life extension is that when they wear to the point of not staying locked as long as they should (the dogs wear on the edges that "catch") you can take them out and swap the driven sides. This causes the unworn edges to be the ones that catch :)
    Of course, the springs can eventually wear, maybe shear off a pin, hopefully it doesn't take out any teeth if that happens. Hasn't happened to me yet... been running my rear since '97, added the front in '00 or so... and Steve I'm thinking your overall usage will be similar to mine.

    Most of the above is based on a rear-only lunchbox locker. Things become a little different when you add a front locker to the rear, but not drastically so. Mostly the issue is hard steering in tight situations with the front axle engaged.

    HTH Steve, let me know if other questions...

    EDIT: I've never driven a rig with only the front locked, maybe someone can comment on the quirks associated with that application.
    And... I'm moving this out of OT and into tech... :)
     
  5. Dec 21, 2005
    DanStew

    DanStew Preowned Merkin salesman Staff Member

    Lexington, South...
    Joined:
    Sep 22, 2002
    Messages:
    4,585
    i had a lockrite in the stock axle on the bus, and now have a aussie locker in the waggie axle. Work just fine. Odd thing is the aussie locker is a bit louder and more noticeable than the lockrite, and they are supposed to be advertised as being quieter. Oh well, but i like it and would not hesitate to get another. I do like the electric lockers, but that is a defferent beast :)
     
  6. Dec 21, 2005
    willysnut

    willysnut Banned

    Newnan, Ga.
    Joined:
    Oct 8, 2003
    Messages:
    654
    For a daily driver probably not your first choice. I did have some issues with one installed in a XJ 8.25, It started to chatter and then the couplers would not engage due to the edge of the teeth being worn, It was a used unit I purchased and installed. Just hold to the minimun clearance called out in the directions and you'll be fine. I have broken an D25 axle and grenaded locking hubs on my ECJ. Key word here is cheap and easy for the average Joe to install.
     
  7. Dec 21, 2005
    BlueFlu

    BlueFlu past owner of some ecj5's

    Hermitage, TN
    Joined:
    Jan 21, 2004
    Messages:
    1,552
    I've been running a Quick Loc for 4 years now.
    Love it.
    Only seen one drop in locker go boom.
    The same guy also has blown up an ARB, an Atlas T case, etc, etc.
     
  8. Dec 21, 2005
    TCXJWAGONEER

    TCXJWAGONEER TEC3 Fab guy

    Maryville TN
    Joined:
    Aug 20, 2004
    Messages:
    101
    I love me some aussie locker!!!
    i had one in the front of my CJ7 for about 2 years before i sold it. i liked the up front locker cause you could open your hubs and it was like it wasn't even there. never put one in the rear and i sold it to get my ECJ5...and i am afraid to put one in either the 27 or the tapered 44.

    Tommy
     
  9. Dec 21, 2005
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
    Joined:
    Sep 22, 2002
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    5,349
    I have the Aussie unit in my front 30, I haven't noticed hardly any noise at all. But then again with the unit in the front your usually somwhere making other noises with slipping tires or rocks crunching to notice any clicking from ther unit. My power steering is so lite that I noticed no difference at all in the steering, but I would guess that a ross box or manual saginaw would feel it to some degree.
    I like mine and consider it a good upgrade, i will probably put a Pow'r lock in the rear though.
     
  10. Dec 21, 2005
    linckeil

    linckeil Member

    Danbury CT
    Joined:
    Aug 19, 2004
    Messages:
    492
    i got a lockright in the rear of my F250. its great. all of the cons mentioned are less noticable in my long wheel base truck then it would be in a short wheelbase jeep. for the jeep, powerlocks front and rear is what i have and for the street/moderate off roading i do, the powerlocks are perfect for me.
     
  11. Dec 21, 2005
    gte636p

    gte636p Member

    smyrna, Ga
    Joined:
    Sep 23, 2002
    Messages:
    492
    i've got a lockrite in the rear of my cherokee and agree with everything that's been said. the only thing i'd add is that you might want to buy some shim packs to get the minimum clearances. mine was loud and somewhat unpredicatble until i shimmed it up. since then it's been quite and just as advertised. the only time i hear it is making a turn at full lock while coasting and the occasionaly unloading that lynn mentioned (scared the hell out of me the first time it happened).
     
  12. Dec 21, 2005
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
    Joined:
    Sep 20, 2002
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    3,437
    Chris, your post just reminded me of one of the driving adjustments I made due to the locker.
    As I approach a rolling 90* turn, say turning right off one street onto another, I always stab the clutch in just before turning the wheel, then letting the clutch pedal out again after straightening out. This prevents alot of the binding and reduces the frequency of the big "bang" that can occur. Of course you can't always go around corners with the clutch in... but I do it wherever I can. :D
     
  13. Dec 21, 2005
    72 Jeep Gal

    72 Jeep Gal Just me

    Colorado
    Joined:
    Oct 6, 2005
    Messages:
    165
    I had a Lockrite in the rear for a few years. It made driving on the street a challenge. As mentioned above the sudden lane changes when shifting was very interesting. The first time it unloaded I thought something broke in a big way. I pulled over to the side of the road and looked for breakage but of course there wasn't any. It was great on the trail but sucked in the snow. The rear end shifted around so much I wasn't sure wich ditch I was going to end up in. I did manage to wear it out. It wasn't engaging consistantly and it quite making the clicking noise on corners. I wasn't sad to see it go. If I were to do it again I would go with a Detroit. They have a reputation for not wearing out.
    I did see (well, hear) a locker grenade on the Maob Rim once. It was in a Toyota Land Cruiser. It sounded like an axle snapping then the rear end quit working. He had to drive back down with front wheel drive.
     
  14. Dec 21, 2005
    willys59cj5

    willys59cj5 Sponsor

    Gilroy, CA
    Joined:
    Jun 1, 2005
    Messages:
    660
    I run a power loc posi in the rear to avoid all the bad manners on street. I does make a differnce...went through the rubicon open x3 years...then put in the power loc and made a big difference. I then put in a lockright up front when I went to the D30. That made a huge difference. Point it and it goes up it! Just my .02 $. Since doing the lockright, I do notice my rig likes to pull to the right when in 4wd...not sure what thats about.
     
  15. Dec 21, 2005
    fourtrail

    fourtrail Built not Bought

    Carlinville,...
    Joined:
    Jan 24, 2004
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    204
    I run a lockrite in both the tapered 44 rear and the 25 front. The only thing this setup has broken was a front bendix style ujount, but I think that it was more from binding than the locker. No problems yet with the rear. Also put one in the front 44 of my 6 on 38's. No problems with it yet.
     
  16. Dec 21, 2005
    Posimoto

    Posimoto Hopeless JEEP Addict

    Minden, Nevada
    Joined:
    Aug 7, 2003
    Messages:
    4,538
    My rear LockRight has been acting strange the last couple of times I've been out. Not offroad, but on the highway. It has started either locking or unlocking in the gradual curves. Feels like sh*t and is rather unnerving. It's been in for 5 or 6 years and I'm thinking something is getting pretty worn back there. I'm pulling it to go with a Detroit this winter. Just a little more insurance for the trail.
     
  17. Dec 21, 2005
    Rusty the Scoob

    Rusty the Scoob New Member

    Joined:
    Nov 10, 2005
    Messages:
    15
    I have the Aussie in the front D30 on my TJ... even though it has hubs that are always locked, it's completely invisible on the street. Other than a slight clicking noise on turns you'd never know it was there. I do feel the hard steering offroad but unless the tires are against a rock or tree it's not a problem.
     
  18. Dec 21, 2005
    Rondog

    Rondog just hangin' out

    Parker, CO
    Joined:
    Aug 25, 2005
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    OK, I don't even understand what lockers are. Is this something I'd even need in a stock '56 CJ5 that's only going to be used for street driving and very mild scenic mountain trails? I have no intention of doing the hardcore rock crawling stuff or radical trails like you guys....I don't want to break things. I just want to cruise old mining roads and "jeep trails" in Colorado, and definitely want it to be safe to drive on the streets in any weather.
     
  19. Dec 21, 2005
    72 Jeep Gal

    72 Jeep Gal Just me

    Colorado
    Joined:
    Oct 6, 2005
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    165
    Don't worry Rondog, you don't need lockers. They just insure both tires turn at the same rate instead of just the tire with the least resistance spinning.
     
  20. Dec 21, 2005
    Rondog

    Rondog just hangin' out

    Parker, CO
    Joined:
    Aug 25, 2005
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    Whew! Glad to hear it! I'm sure you can understand the kind of trail riding I'm talking about, you've probably been over most of them here in Colorado. All this talk about parts breaking, grinding noises, sliding on snow and ice, etc., makes me nervous. That ain't what I'm looking for. I might go to Moab someday to watch others break their Jeeps, but I'm not into that. I'm going to have too much $$$ in it to go out and try to beat it up.
     
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