Chevy G80 Locker
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Discussion Starter · #1 ·
I have a 2wd 2001 silverado and it has the G80 locking rear end. Is this a good locker, or would upgrading to a new locker like a detroit be better? Is it worth the money?
2015 High Country Duramax
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18,738 Posts
Depends on what you plan on doing with the truck.
If you use it like it was designed it is fine. Where guys have problems is when they put bigger tires, do burnouts, heavy off road, or just abuse their trucks.
I personally like the g80. I have had them in my last two trucks and they served me well. My father also has had them in all his trucks since the 90's (a 95 k1500, 99 k3500, 2001 tahoe, 2005 2500hd, 2009 Silverado, and his 2014 Silverado). He never had a problem with any of them. All the trucks except his 2014 had over 100k on them when traded in and non had issues.
My 95 had 158k when I sold it and my 2001 has 109k now and the g80 still works great.
So that's my opinion. But if you want to off road a lot or put bigger tires or do burnouts them I would not recommend the g80. I'd go with either a Detroit trutrac for a posi or a Detroit locker for a locking diff.
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Discussion Starter · #3 ·
I have 35's on it and do offered it a lot. Thanks for the quick reply
2015 High Country Duramax
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18,738 Posts
In that case I'd definitely upgrade to a stronger unit. Because if the g80 were to explode it could take out more than itself and make it really expensive haha
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Discussion Starter · #5 ·
okay cool, the truck is also my daily driver so would you think a positraction or a limited slip or something like and e-locker be the best?
2015 High Country Duramax
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18,738 Posts
A posi Trac and a limited slip are the same thing.
For off road use I personally would go with a locker. My reson behind this is because with a posi both rear wheels will spin but not at full power.
A locker on the other hand sends power to both wheels equally when locked.
I find this especially useful off road when you have one tire on the ground and one in the air. The locker will engage and that one wheel on the ground will move the truck whereas a posi probably wouldn't have the gusto to do so.
Another example is one wheel on ice and the other on dry pavement. A locker will get you moving where a posi will probably spin a lot more.
I have read good things on the Detroit locker which is a stand alone unit like the g80 which needs no outside action to lock. I like that since it lends itself very well to a daily driver.
You definitely don't want a spool which is a permanently locked state. Especially with the 10 bolt rear. With that you'll be pushing in turns and chirping the rear tires.
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Discussion Starter · #7 ·
yea that's what i was worried about, I want to be able to turn, haha. Thank you a lot for your help
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How many of you guys add a front locker?
2015 High Country Duramax
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18,738 Posts
Well definitely not the op haha.
But they don't make lockers for the 8.25 diff. I've seen some for the 9.25 diff for the 2500/3500 trucks.
They front diffs don't hold up well to that kind of thing anyway.
Source: https://www.silveradosierra.com/threads/g80-locker.320290/
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