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Unread 02-08-2012, 04:38 PM   #1
reeksofrezin
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I just installed a Spartan locker in my rear D35. It is installed correctly, I swear. Is this supposed to sound like an axle snapping when I turn on the street? I have no carpet and I know it will ratchet but dam. It pops and when it does it makes the rear shake bad. 3-4 times when I turn slow. Not bad when going faster. I have a Detroit in my buggy and I have never heard anything like this from it.
I knew I would feel it in a short TJ but WTF. Will it wear in? Did I just get a lesson on why people get air lockers? Seems like a spool would be better. Or am I just stupid and did something wrong? I don't see how. All went together fine and tested ok. I watched it unlock and lock on both sides with the cover off before the tires ever touched the ground.

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Unread 02-08-2012, 04:46 PM   #2
pcoplin
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I had dual Lockrights for about 2 weeks. On slow turn ins like in a parking lot, it would ratchet front-to-back several times. Banging and clacking. Sucked. Installed a Detroit in the rear and never happened again.

Not saying your isn't messed up, but that was my experience. If there is a bent center section I've heard intermittent lock up problems, but those will likely manifest while going straight also.

Can you have someone drive it who's ran on before?
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Unread 02-08-2012, 04:46 PM   #3
Jerry Bransford
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There are at least 348,403 posts here on Jeep forum advising against installing any type of locker into a stock Dana 35. There are probablly almost as many posts advising against installing a lunchbox locker into a rear axle because of how poorly most lunchbox lockers behave when installed into a rear axle.

The best advice I can offer, locker behavior-wise, is to apply as little power as possible when turning corners. The best way to turn a corner with a rear automatic locker is with neutral power being applied... neither coasting through nor powering through a corner is best.

My next piece of advice is to carry a spare left and right axle shaft because sooner or later, one of those will break as a result of the new locker.
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Unread 02-08-2012, 04:53 PM   #4
Keith_C
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Quote:
Originally Posted by reeksofrezin View Post
I just installed a Spartan locker in my rear D35. It is installed correctly, I swear. Is this supposed to sound like an axle snapping when I turn on the street? I have no carpet and I know it will ratchet but dam. It pops and when it does it makes the rear shake bad. 3-4 times when I turn slow. Not bad when going faster. I have a Detroit in my buggy and I have never heard anything like this from it.
I knew I would feel it in a short TJ but WTF. Will it wear in? Did I just get a lesson on why people get air lockers? Seems like a spool would be better. Or am I just stupid and did something wrong? I don't see how. All went together fine and tested ok. I watched it unlock and lock on both sides with the cover off before the tires ever touched the ground.
Jerry pretty much covered it.

As far as the buggy comparison.

Do you drive the buggy on the street?
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Unread 02-08-2012, 04:56 PM   #5
reeksofrezin
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O well. I almost never drive on paved roads anyway. Yea I read all the posts but decided to do anyway. Figured it wouldn't be that bad. I guess I was wrong. I'll keep it till fall I suppose.
I had bought a 99 superduty for the axles for the TJ but wife demanded them for her YJ buggy.
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Unread 02-08-2012, 04:59 PM   #6
2004Unlimited
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My Aussie should be in the next couple days, I'm running the D35. When it gets installed I will report back if I have any banging/clanking issues. I've been in my brothers xj a lot with f/r aussies and hear minimal clicking but then again xj's have more insulation for sound then our wranglers with carpet removed. I've also heard horror stories about the D35 and also heard that it can handle some abuse too. I'm running 31's currently and only do trail riding no rock crawling as I'm in college and have to get the thing paid off before I abuse her to bad. When that time comes and money allows an axle swap will be in short order.
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Unread 02-08-2012, 05:01 PM   #7
reeksofrezin
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I don't drive buggy much on paved roads but I have never heard anything from it. I can live with it if it mellows out some. At this point I have only drove to town and back. About 35 miles.
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Unread 02-08-2012, 05:07 PM   #8
Jrama
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I have an Aussie in the front axle in my Jeep. I know how they behave, and putting one in the rear of TJ would suck, particularly on winter roads, you would fishtail everywhere.

Put an Aussie upfront and you'd never know its there until your in 4x4, and even then its not bad dd'ing in low traction road conditions (only time you should be using 4x4 anyway) Tight turns on the trail is where having an Aussie generally sucks
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Unread 02-08-2012, 06:04 PM   #9
otisdog
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Get some miles on it and let it break in. It should mello out some.
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Unread 02-08-2012, 07:20 PM   #10
Jrama
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Hmmmmm-they don't really mellow out, they are what they are. They don't fit any better or wear in. Mine is the exact same as new, others may have different experiences thats my 2 cents.

The only thing that mellowed out my Aussie was full synthetic gear fluid, noticeable difference in parking lots, on the trail I could swear it was slipping sometimes instead of locking in low traction higher tire speed conditions, but that last one could just be all in my head.
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Unread 02-08-2012, 07:44 PM   #11
AKGeo
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Aussie in rear, D35, and it's very smooth even around corners. No broken shafts, I've had it for 3 years. It did have to break in though...maybe the spartans have deeper teeth on the clutches or a more aggressive biting angle so it pops harder. Maybe their springs are stiffer. Either way, I'd go back in and double check your spacing between your clutches again.
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Unread 02-08-2012, 09:25 PM   #12
reeksofrezin
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Spacing in center was .152 if I remember right. I think it said .140something to .160 something in the book. I'm not at shop right now to check.
I have a lock-rite that I got from someone on here that was for an older D35. The teeth on it are smoother and way less sharp but it may be from wear. The Spartan did seem more aggressive but I didn't really look that much at the teeth. The lock rite has a tiny bit more "slop" in the teeth as well. Probably also from wear but may make it smoother.
Lock rite is for 92 and older if anyone is interested.
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Unread 02-08-2012, 09:46 PM   #13
RaggedOleMan
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Quote:
Originally Posted by Jerry Bransford View Post
There are at least 348,403 posts here on Jeep forum advising against installing any type of locker into a stock Dana 35. There are probablly almost as many posts advising against installing a lunchbox locker into a rear axle because of how poorly most lunchbox lockers behave when installed into a rear axle.

The best advice I can offer, locker behavior-wise, is to apply as little power as possible when turning corners. The best way to turn a corner with a rear automatic locker is with neutral power being applied... neither coasting through nor powering through a corner is best.

My next piece of advice is to carry a spare left and right axle shaft because sooner or later, one of those will break as a result of the new locker.
i agree 100% with Jerry. I'd go on to say that locking a 27 spline d/35 on 33's, with I don't care who's shafts you got, is in my opinion, breakage waiting to happen.

I drive like I don't want to break anything. The skinny pedal & I have our differences...the point I'm trying to make is that babying a locked d/35, on 33x12.5's with 27 spline shafts will one day result in something breaking. It did for me. And if it did for me under that scenario, then I believe it will happen to the next guy, too. That said...

30 spline shafts such as the Superior Evolution series, AND a stronger, after-market carrier such as comes with the Detroit Locker, and selectables like an ARB, OX etc., is the single best bet to keep the d/35 alive as long as possible, aside from running it open, in my opinion.
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Unread 02-08-2012, 10:12 PM   #14
reeksofrezin
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Forgot to say it is a 2.5 5speed. I'm not really concerned with breakage because I wheel this mostly on my property or on friends property. If it breaks I will drag it back with my buggy or leave it there till I get around to fixing it.
Really was just amazed at how bad it sucks to run this locker in the rear of my TJ. I was prepared for noise and some effect on driving. But wow. A spool would behave much better on the street I believe.
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Unread 02-08-2012, 10:20 PM   #15
reeksofrezin
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Actually about an hour after filling the diff I was walking back to the shop to get the buggy to winch TJ off of a tree I was on so hard that it popped the bead off my spare, still on the rear rack and still at 25#.
Lockers get you WAY more stuck.
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