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The Rear End Shops

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Old Jul 17, 2012 | 03:21 PM
  #1  
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
The Rear End Shops

I'm starting to get some money together to get my rear end built. Does anybody know about this shop? I ran across them on an online search.

http://rearendshop.com/index.html

I've gone through the engine and transmission in my car. The rear end I've left stock. Its the original borg warner 9bolt with posi traction and 2.77 gears. I plan to keep this rear end in the car. The rear end has 194,000 miles on it just like the body of the car. I'm also considering changing the gears to 3.27 gears. How much do you you guys think this should cost. Are their other shops that would be able to do this kind of work?
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Old Jul 17, 2012 | 04:00 PM
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From: Troup, Texas
Car: 1989 Camaro IROC-Z
Engine: ZZZ# 0607 of 1200 produced
Transmission: Pro-Built 700R4/Vig.2400
Axle/Gears: 3.27 BW 9 Bolt PBR Disc
Re: The Rear End Shops

9 bolt parts are hard to come by in new condition. You'll need a 3 series carrier, the ring gear, and you'll prolly want to go through and replace the bearings, seals, and add a rear end girdle while it's apart. Honestly I just found a low miles 3.27 rearend at a junk yard, and cleaned it up. Was cheaper than building my 2.77 rearend
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Old Jul 17, 2012 | 04:02 PM
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: The Rear End Shops

The Rear End shop in Riverbank has a pretty good name. I havn't had to use them in some time though.
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Old Jul 17, 2012 | 04:13 PM
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: The Rear End Shops

Thanks guys. Yeah I'll look around and see if I can find another rear end too. I'll look at 9bolt parts too.
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Old Jul 17, 2012 | 06:15 PM
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From: Sacramento Ca
Car: 86 Trans am, 91 Camaro RS
Engine: 355 Sbc, nothin yet
Transmission: 700r4- both
Re: The Rear End Shops

Will is right! Just rebuilt mine and upped the gears to a 3.27 also. Prob much cheaper to buy a used one and clean it up. Feels much better than that 2.77.
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Old Jul 17, 2012 | 06:20 PM
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: The Rear End Shops

Yeah thats what I am thinking of doing. I'll start seeing if I can find one. I went on 9bolt.com and they want a lot of money for parts.

Since I am going to deal with the rear end I think I will see if I can upgrade to the '89 style PBR brakes too. Might as well since I will have the rear end out.

Where should I start looking for a good used rear with 3.27 gears? I looked on Hawks Thirdgen and they want $550 for a used stock rear with no aftermarket upgrades. Thats way too much. I'll start looking around at junk yards and Craigslist see what I can find.

http://www.hawksthirdgenparts.com/pr...ct-prices.html

Last edited by yaj15; Jul 17, 2012 at 06:23 PM. Reason: added a link
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Old Jul 18, 2012 | 04:23 PM
  #7  
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From: Sacramento Ca
Car: 86 Trans am, 91 Camaro RS
Engine: 355 Sbc, nothin yet
Transmission: 700r4- both
Re: The Rear End Shops

Check here on the classifieds.. mostly on part outs, or your local boneyards can be very lucrative also. I got my 3 series carrier from a junkyard, and then nouht the gears I wanted. There was too much damage to that axle or I would have just snatched the whole thing.
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Old Jul 18, 2012 | 05:46 PM
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: The Rear End Shops

i saw 9 bolt after 9 bolt in stockton for the longest time. next time I go i will keep my eyes peeled for one.
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Old Jul 18, 2012 | 05:50 PM
  #9  
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: The Rear End Shops

Thanks. I'll keep looking online and on ebay. Hawks wanted way too much money for just a stock rear that wasn't even rebuilt. I looked at 9bolt.com to. They have the parts that you can use to rebuilt the rear end but I think they want too much for the parts.

Do you guys think pick and pull in stockton or modesto would have one? When I find one I can add the '89 up PBR brakes and a differential cover to while I am at it. That way things will be upgraded all in one shot.
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Old Jul 18, 2012 | 07:13 PM
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: The Rear End Shops

I have seen plenty of 9 builts out there. but i havnt looked in a long time.

you commited to keeping the 9 bolt? 10 bolts are common have more aftermarket support and can survive a 383 stroker blown motor in an automatic car going 10.9x in the 1/4 mile...jus sayin...lol
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Old Jul 18, 2012 | 07:15 PM
  #11  
yaj15's Avatar
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: The Rear End Shops

Ha ha yeah I know 10 bolts are more common. I'm going to keep the 9 bolt though.
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Old Jul 18, 2012 | 07:55 PM
  #12  
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From: Manteca, Ca
Car: 1983, 1986, 2001 Trans Am
Engine: 305 cfi, 350 carb, LS1
Transmission: 700,Edge 2800 th350,Edge 3400 4L60E
Axle/Gears: 9 Bolt 3.27 Borg-Warner, built 3.73
Re: The Rear End Shops

I found my 9 bolt bw 3.27 at picknpull took it to a rear end shop jus to look make sure wasn goin out or any problems best mod I did to my car id say
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Old Jul 27, 2012 | 02:42 PM
  #13  
yaj15's Avatar
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Joined: Aug 2006
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: The Rear End Shops

I got the parts that I needed to rebuild my 9bolt. Now I have to find a good shop that is willing to use my parts and rebuilt the rear end.
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Old Jul 27, 2012 | 11:47 PM
  #14  
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
Re: The Rear End Shops

have you checked with JAWS in sacramento?
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Old Jul 29, 2012 | 01:14 AM
  #15  
yaj15's Avatar
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Joined: Aug 2006
Posts: 1,376
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: The Rear End Shops

Nope I haven't checked with them yet. I'll have to look and see.

Originally Posted by TraviZ
have you checked with JAWS in sacramento?
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Old Jul 29, 2012 | 01:26 AM
  #16  
yaj15's Avatar
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Joined: Aug 2006
Posts: 1,376
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From: Northern California - Bay Area
Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: The Rear End Shops

Has anybody used this shop in this link below before? Riverbank is a lot closer to where I live.

http://www.therearendshop.com/contac...verbank-ca.htm
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Old Aug 3, 2012 | 05:21 PM
  #17  
neagan's Avatar
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From: Santa Rosa, Cali
Car: 1988 IROC 5.7 Money Pit
Engine: (being built; modified TPI ZZ4
Transmission: 2200 stall/ stage 3 700R4
Axle/Gears: freshened 3.27 in 9.bolt/
Re: The Rear End Shops

I've met the owner of the 'Rear End Shops' here in North California; He constantly works his butt off day after day and is a great guy! I don't know how many of them he owns.
I had the Santa Rosa shop rebuild mine and change out the gears to the 3.27. When the posi cones ate themselves a few months later, even though it wasn't a part normally covered in the warrenty, he took my IROC in and fixed in no charge.

Now shops like that are only as good as their employees; no owner works on the rear ends themselves unless it's an emergency, so that's where you've got to ask the right questions about who's going to actually lay the hands of healing on your vehicle. Nitro
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