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Limited slip
#769493 January 09th 2021 4:38 pm
Joined: Jan 2021
Posts: 1
V
stranger
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V
Joined: Jan 2021
Posts: 1
Hey Vanners,
I recently purchased a beauty '91 Chevy G20 conversion van. Hoping to do some traveling with her both on and off road.
My question is wheather a limited slip unit out of a 10 bolt 8.5 rear of a 2001 Chev Silverado would fit my 1991. Are the axle spines the same? Is an 8.5 an 8.5 regardless of year?
Thanks in advance for any input.

Re: Limited slip
VanHilton91 #769495 January 09th 2021 6:42 pm
Joined: Jun 2010
Posts: 15,543
Likes: 40
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Posts: 15,543
Likes: 40
I dont think so the G series stopped in 94-95 and they redesigned the van and the Express series started... if they kept the same rear end IDK...

Oh and welcome to the site....


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Limited slip
VanHilton91 #769502 January 09th 2021 8:55 pm
Joined: Jun 2020
Posts: 124
Likes: 5
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I'm honestly not sure either, and this is unsolicited advice, but new units aren't terribly expensive. If you're going to go through the trouble to do the job, why not put a freshie in? I thought it was somewhat complicated, and was planning to have a shop do it when I bought a unit for my 87'. I asked frscke if he likes the Eaton units he put it, but I don't think he saw my message. I'm assuming they're working great, spinning both tires, and haven't blown up.


1987 G20
2015 XL1200C
2010 E61
Re: Limited slip
VanHilton91 #769503 January 09th 2021 9:14 pm
Joined: Jun 2010
Posts: 15,543
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Eatons are a great unit ... thats what I have in my 92 that I race mustangs with ,,, yeah I like them.


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Limited slip
VanHilton91 #769588 January 12th 2021 12:06 pm
Joined: Aug 2005
Posts: 21,010
Likes: 10
N
Supreme Master
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Joined: Aug 2005
Posts: 21,010
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I had a Detroit True-Trac put in my '93. Upgraded to 3.73 gears as well. I had a Jeep/4x4 shop do the install...holy frack was it expensive.


Nate Breece
--------------
1993 Chevy G20
2012 Hyundai Santa Fe
Re: Limited slip
VanHilton91 #769598 January 12th 2021 1:24 pm
Joined: Jul 2014
Posts: 2,920
Likes: 30
Rust N Dents
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Rust N Dents
Joined: Jul 2014
Posts: 2,920
Likes: 30
I don't know...
My van has unlimited slip.
lol


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