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Old December 1st, 2009, 07:38 AM   #1
kj kyle
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Default detroit locker?

I am trying to decide what lockers to run in my CJ7 (D44/D60)... It's never going to be street driven in the winter, summer it will be about 50/50. Ill be running a mild built small block chevy, sm465/np205... and 37s

I am thinking a Detroit locker in the rear, but I have heard with a v8 it is very sensitive to locking and unlocking, and becomes very unpredictable. JP magazine says its even worse with a SWB jeep. anyone with real world experience here?
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Old December 1st, 2009, 08:50 AM   #2
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Spool. Simple and inexpensive.
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Old December 1st, 2009, 08:51 AM   #3
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Spool. Simple and inexpensive.
x2 + no teeth to break off.
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Old December 1st, 2009, 08:53 AM   #4
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spool worries me... my usual trip in the summer is about a 12 minute trip on the highway to st. joseph, then cruising the beach for woman. I can't imagine they do well on the highway, or parking lots...

plus i hear they wear out your tires much faster...
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Old December 1st, 2009, 09:01 AM   #5
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A detroit is only going to be noticable at low speed, not cruising the highway. A spool will wear tires faster, but any 37" tire will be a wear item.

If you are that worried about it buck up and buy a selectable locker (arb, e-locker etc.)
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Old December 1st, 2009, 10:20 AM   #6
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I run a spool in the rear and a Detroit up front (D44/9") with a mildly built SBC with no problem on the highway. I drive it everywhere. It chirps a little going around tight corners, but other than that no issues in 4 years.
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Old December 1st, 2009, 10:27 AM   #7
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My Jeep is my DD with a Detroit locker in the rear and a lunch box up front. You'll get used to it. Some times you'll get a snap, crackle or pop noise from the rear end when cornering or just simply leaving a light. The Detroit is just letting you know, its there. Rain has never been a problem. Snow on the other hand is a bit squirrely so ill throw it into 4H and im under control again. Icey Over passes and under passes are a B* Those are ones that worry me, I back off on the gas peddle for those if its frosty in the morning.
If its in your budget get the Detroit locker.
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Old December 1st, 2009, 01:48 PM   #8
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I've run my spool down the highway for 40-50 miles runs. No big deal.
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Old December 1st, 2009, 02:10 PM   #9
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I do not have a V8, but I love my Detroit. Very predictable, nice road manners.

....and JP mag is a joke.
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Old December 1st, 2009, 02:27 PM   #10
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I think the unpredictability of a Detroit in the rear of a vehicle has a lot to do with the vehicle (wheelbase and weight) and tires.

I have a Detroit in the rear of my 75 Wag, and I've run it in all sorts of weather (not recently), but the most time was with 35" MTRs. I never had any problems with it in winter weather with it being unpredictable. No tail wagging, no surprise rear kick-outs, or anything like that. It's done 99% Michigan wheeling and I'm pretty happy with the setup. My biggest mistake was taking off the 35 MTRs and putting the 33" TSLs on there since it made it less streetable due to the bias ply tires.

At one point, I put a Detroit in the D44 in my TJ and moved the 35" MTRs. I was still daily driving, and I found that the same setup worked much differently than in the Wagoneer. I experienced rear kickouts driving down snowy/slushy roads, unlike in the Wag; and I learned to coast through corners unless I wanted to have some fun.

Another thing I'd like to add is that driving with a spool'd rear and wide tires is no treat either. A few years ago at Sno*blind I had to drive on some icy roads, and with the big tires and icy patches, I had the back end slide out a lot more than it ever had with the detroit and smaller MTRs.
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