ZR2 rear end???
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RE: ZR2 rear end??? - 12/12/2007 2:59:29 PM
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otnietdehoooo
The Chop Shop Moderator
Posts: 1611
Joined: 5/25/2007
From: Ft. Worth, TX
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you cant really use two different gears in the front and the back... one axle would be spinning faster than the other = transfer case will die
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Matt - 98 4DR 4WD
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RE: ZR2 rear end??? - 12/12/2007 4:14:29 PM
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drperry
Posts: 3896
Joined: 1/12/2007
From: GP AB CA
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The ZR2 axle is also a little wider, if I remember right...
Any 2nd gen Blazer with a 5 speed should have the 8.5" and the iron front diff.
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RE: ZR2 rear end??? - 12/12/2007 4:29:39 PM
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Millertime21
Posts: 300
Joined: 1/23/2007
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Thanks. Also since I currently have drum brakes on the rear, do I have to do anything to make the disc brakes on a ZR2 rear end work?
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1996 Blazer LT 4x4
2" PA Body lift
1.5" shackles/ 1.5" T-bar''s cranked
32" Sport King A/T
Brute Force CAI
2.5" stainless steel magnaflow cat back
Taurus e-fan
Ford 8.8" rear end (4.10)
Wait4me Tune
http://bowa.forummotion.com/index.htm
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RE: ZR2 rear end??? - 12/12/2007 7:36:54 PM
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Hanr3
Wheels & Tire Moderator
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Yes, and good question.
You will need to change the master and the proportioning valve. Drums require less pressure then discs. Take them from teh donor truck.
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'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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RE: ZR2 rear end??? - 12/12/2007 8:24:18 PM
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Idriveachevy
Posts: 908
Joined: 10/9/2007
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Are you hacking up a Zr2? if so, send me pm i want to tlak to you about some stuff.
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1997 4door 4x4
thrush glasspack
31" bfg mud terrains
2 in. shackle lift and TB crank
Soon to come
- 2 inch body lift.
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RE: ZR2 rear end??? - 12/12/2007 11:26:01 PM
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Millertime21
Posts: 300
Joined: 1/23/2007
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quote:
ORIGINAL: Hanr3
Yes, and good question.
You will need to change the master and the proportioning valve. Drums require less pressure then discs. Take them from teh donor truck.
Thanks, I had to do that on my camaro, but wasn't positive if it was the same for blazers.
_____________________________
1996 Blazer LT 4x4
2" PA Body lift
1.5" shackles/ 1.5" T-bar''s cranked
32" Sport King A/T
Brute Force CAI
2.5" stainless steel magnaflow cat back
Taurus e-fan
Ford 8.8" rear end (4.10)
Wait4me Tune
http://bowa.forummotion.com/index.htm
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RE: ZR2 rear end??? - 12/12/2007 11:27:08 PM
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Millertime21
Posts: 300
Joined: 1/23/2007
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quote:
ORIGINAL: Idriveachevy
Are you hacking up a Zr2? if so, send me pm i want to tlak to you about some stuff.
Nope, but I'm going to go junkyard shoping in the next week or two and see what I can find.
_____________________________
1996 Blazer LT 4x4
2" PA Body lift
1.5" shackles/ 1.5" T-bar''s cranked
32" Sport King A/T
Brute Force CAI
2.5" stainless steel magnaflow cat back
Taurus e-fan
Ford 8.8" rear end (4.10)
Wait4me Tune
http://bowa.forummotion.com/index.htm
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RE: ZR2 rear end??? - 12/13/2007 3:26:39 AM
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drperry
Posts: 3896
Joined: 1/12/2007
From: GP AB CA
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Well, if you insist on using an axle from a ZR2, then at least your rear wheels will stick out at least as far as the fronts, lol.
The track width of a ZR2 is wider, you might run into some issues with that.
I have the 8.5" diff, and I'm not a ZR2 
There's a few 4 doors that have it too... Jigg found one awhile back, lol, even had 3.42's in it.
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RE: ZR2 rear end??? - 12/13/2007 4:31:25 AM
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Jigg
Posts: 494
Joined: 12/1/2006
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You actually don't have to do the m.c. and prop valve... they work just fine:
http://www.s10forum.com/forum/f13/drum-to-disc-brake-rear-end-swap-how-to-167132/
The ZR2 rear is 4" wider than a non-Z rear end. From the factory, your rear track is 2.6" shorter than your front track, so with a ZR2 rear, your rear end will now stick out .7" more on each side, relative to the front end.
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RE: ZR2 rear end??? - 12/13/2007 5:27:05 AM
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drperry
Posts: 3896
Joined: 1/12/2007
From: GP AB CA
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Well, for someone looking to upgrade the rear end, and not have to worry about spacers, the ZR2 axle will help the look! lol
Probably gonna have to move or buy new spring perch's though...
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RE: ZR2 rear end??? - 12/14/2007 12:13:15 PM
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Millertime21
Posts: 300
Joined: 1/23/2007
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What about the driveshaft? I did some more searching and it looks like the driveshafts are different lengths. Is this true?
_____________________________
1996 Blazer LT 4x4
2" PA Body lift
1.5" shackles/ 1.5" T-bar''s cranked
32" Sport King A/T
Brute Force CAI
2.5" stainless steel magnaflow cat back
Taurus e-fan
Ford 8.8" rear end (4.10)
Wait4me Tune
http://bowa.forummotion.com/index.htm
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