Z71 locking differential - Chevy Colorado & GMC Canyon
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post #1 of 9 (permalink) Old 01-04-2019, 11:48 PM Thread Starter
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Z71 locking differential

First time poster, Hello all. My question is about ZR2 locking differential. Itís basically on and off switches to engage or dis-engage the magnetic to an Eaton G80 differential? I figure a mod could made to a Z71 to do the same.
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post #2 of 9 (permalink) Old 01-05-2019, 12:50 AM
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No. It's a different diff. Good idea though.

2018 ZR2 V6 Extended Cab
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post #3 of 9 (permalink) Old 01-05-2019, 12:57 AM
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post #4 of 9 (permalink) Old 01-05-2019, 11:15 AM
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Quote:
Originally Posted by SpartanDRB View Post
First time poster, Hello all. My question is about ZR2 locking differential. Itís basically on and off switches to engage or dis-engage the magnetic to an Eaton G80 differential? I figure a mod could made to a Z71 to do the same.
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Originally Posted by nvblue View Post
No. It's a different diff. Good idea though.
That is correct. It's a completely different differential housing. You can't take the guts out of one and put it into another. However, you could swap out the entire differential. It's not cheap, though. Best bet is to watch the bone yards for a wrecked ZR2.


Also, keep n mind that "G80" has been the order code for a LSD for decades. It is not the part number. The G80 is a different part in the 2016 than it is in the 2012, for example.

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post #5 of 9 (permalink) Old 01-06-2019, 03:56 PM
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Eaton makes a lot more than just our Z71 auto locking diff piece(The pumpkin themselves are made by DANA). I am willing to bet that they have e lockers and air lockers and such available that will work as well. I would look them and others up. Easier and cheaper than replacing the whole diff.

Otherwise... for me... I prefer having the diff lock up and unlock on it's own @ speeds up to 20mph like ours doo. I don't like leaving a diff locked while out on the trail. So having to slow down/stop/press buttons on a surprise rough spot isn't something I am personally interested in.

Especially in scenarios when momentum is your friend. I am pretty sure I would forget to unlock it and snap an axle or something anyways. I would still be happy with either one though. When you need it you NEED it.
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post #6 of 9 (permalink) Old 01-06-2019, 05:14 PM
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Eaton makes a lot more than just our Z71 auto locking diff piece(The pumpkin themselves are made by DANA). I am willing to bet that they have e lockers and air lockers and such available that will work as well.
Not yet! :)
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post #7 of 9 (permalink) Old Today, 08:39 PM
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The ZR2 has the electronic locking G80 Differential, the Z71 has the Manual locking G80 Differential. Do not know if they are interchangeable, or what would be involved.

2016 White Colorado LT Ext. Cab. 3.6L V6 6 Spd. Automatic 2WD

1955 Chevrolet Bel Air 283 V8 3 Spd. Manual

2002 Pontiac Trans Am 5.7L V8 6 Spd. Manual

See my album for pics
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post #8 of 9 (permalink) Old Today, 10:18 PM
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The ZR2 has the electronic locking G80 Differential, the Z71 has the Manual locking G80 Differential. Do not know if they are interchangeable, or what would be involved.
No the ZR2 does not have a G80. It's a completely different differential.

2018 ZR2 V6 Extended Cab
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post #9 of 9 (permalink) Old Today, 10:44 PM
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Originally Posted by 16WhiteColly View Post
The ZR2 has the electronic locking G80 Differential, the Z71 has the Manual locking G80 Differential. Do not know if they are interchangeable, or what would be involved.
The differentials in the ZR2 are not classified as G80 by GM or Eaton. They are Eaton ELockers. G80 is an Eaton MLocker.

The current GM G80 MLocker is available in all trim levels aside from the ZR2. https://www.eaton.com/us/en-us/catal...s/mlocker.html

The ZR2 Eaton selectable ELocker. https://www.eaton.com/us/en-us/catal...ferential.html

They are not interchangeable.





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