Stupid locker question. - Ford Powerstroke Diesel Forum
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post #1 of 22 Old 04-02-2014, 10:29 AM Thread Starter
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Stupid locker question.

Having a discussion the other day about lockers with a buddy of mine, I confused myself.

I've had lunch box lockers like the rock right and Aussie in rangers. With that style I know they are unlocked until there is slip. Then they lock. The problem with that is that's hard on shafts.

Now with something like a detroit , or Yukon grizzly is it the same. Is it unlocked when driving around, then locks when needed. Or is it locked all the time, but unlocks for corners?

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post #2 of 22 Old 04-02-2014, 10:45 AM
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I asked this same thing a while back and talked to the guys at Randy's ring and pinion. The Detroit no slip and Yukon Grizzley are lock all the time and unlock when cornering as long as you aren't on the throttle. When you get back into the throttle they lock back up. So either turn wide or throttle it like there is a rotten egg under the pedal you don't want to break. I am saving for a Yukon Zip Locker since I'm on road with this truck about 75% of the time, but when I'm off road, I'm OFFROAD. And when pulling a trailer through the mud a locker is sure nice to have...

If you spend all your time on road, or very little off road, look into a Detroit Turetrac. Or call Randy's Ring and Pinion, very helpful.
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post #3 of 22 Old 04-02-2014, 10:47 AM
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A lunchbox is the same as an auto locker, the only difference is it just uses the stock carrier.
So, for any auto locker when torque is not being applied the differential is allowed to unlock.

Most will chirp in corners or break traction in inclement weather.

A tru trac, and limited slip are different beast all together.

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post #4 of 22 Old 04-02-2014, 01:14 PM Thread Starter
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I thought about the truetrac but I've got too big a tire and will make too much power for it, they recommend no more than 35".

There is a local dealer here that will sell me Eaton anything at his cost because my AE saved him a few thousand $ when the dealer told him he needed a new motor... In the end he needed a sensor.

So I'll be going with a Detroit but I know my old lock right would lock when stopped you could hear And see that one wheel would not lock for about 1/2 turn when stomping the gas, but when I put a Detroit in the same ranger that went away and it was instant.

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post #5 of 22 Old 04-02-2014, 01:29 PM
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It all depends on the torque, my gasser would pop mid corner or top of second gear... it was never predictable
The PS has a lot more torque being applied

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post #6 of 22 Old 04-02-2014, 01:32 PM Thread Starter
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I'm talking straight line in a mud hole they are both unlocked in corners so they would act the same.

The lock right was unlocked until you gave it power, I've got the pieces of mutplie 8.8's to prove it. But the Detroit seemed to stay locked but unlock when you turned. As you never saw or felt that half turn before locking, it wsd either instant, or it defaults to being locked

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post #7 of 22 Old 04-02-2014, 03:56 PM
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Yup, I suppose you get what you pay for on that

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post #8 of 22 Old 04-02-2014, 03:59 PM Thread Starter
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So in other words you don't know the answer to my question...

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post #9 of 22 Old 04-02-2014, 04:12 PM
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Sorry, didn't see a question mark.
help me out

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post #10 of 22 Old 04-02-2014, 04:13 PM Thread Starter
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First post last paragraph

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