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quick ??? fourthgen rear

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Old May 3, 2017 | 06:23 AM
  #1  
budget builder's Avatar
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Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
quick ??? fourthgen rear

I just purchased a 2000 gu6 g80 to go in my 91rs drum brake car. I have taken a pic of what I think is the t-block that I believe I need. if so then what other parts do I need to complete the swap? and does anyone make a parking brake bracket that is willing to sell? I am trying to do the swap asap. thx
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Old May 7, 2017 | 10:02 PM
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From: Shelby,N.C.
Car: 1986 pontiac bonneville
Engine: LB9 305
Transmission: MK6 T5
Axle/Gears: 3.42
Re: quick ??? fourthgen rear

the parking brake bracket slips over the lower control arm mounts, you didn't get all that with your rear?
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Old Jun 20, 2017 | 10:12 PM
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Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: quick ??? fourthgen rear

Got that takin care of. But now the huge problem is that the proportion valve is still stock disk/drum. Tried to buy a disk/disk valve from summit racing part# 760185 . but that is not the right one. My lines are stock metric 91rs with 2000 disk rear swap. Only thing stopping me from driving is this and bleeding.


Help !!!!!!!!
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Old Jun 21, 2017 | 09:49 AM
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Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: quick ??? fourthgen rear

I think I found some metric to sae brake line adapters since the only part number I seem to be able to pull up anywhere is that same summit racing part # 760185.
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Old Jun 21, 2017 | 09:58 AM
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Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: WC T5
Axle/Gears: Torsen 3.73
Re: quick ??? fourthgen rear

No need for a new prop valve. You just need a new spring to go into your current one. Do not waste your time and money on a new one, please.
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Old Jun 21, 2017 | 03:25 PM
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Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: quick ??? fourthgen rear

New spring????
Pleez educate !!!!!!
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Old Jun 21, 2017 | 04:38 PM
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Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: WC T5
Axle/Gears: Torsen 3.73
Re: quick ??? fourthgen rear

You can unscrew a fitting type thing from the front of the prop valve, then pull out a spring, and then you put in a new one. Can't remember the part number for the new spring, put that is what I did and it worked perfect
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Old Jun 21, 2017 | 11:05 PM
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Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: quick ??? fourthgen rear

If anyone has part # Pleez help

Thk u for advice
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Old Jun 22, 2017 | 08:31 AM
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Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: quick ??? fourthgen rear

Found it. Thk u
https://www.thirdgen.org/forums/brak...e-upgrade.html
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Old Jun 22, 2017 | 05:09 PM
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Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: quick ??? fourthgen rear

Crap just got a surprise. Now I have to have new wheels the 15" make the calipers rub. I feel like duh!!!!!!!
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Old Jun 27, 2017 | 06:04 AM
  #11  
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From: nc
Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: quick ??? fourthgen rear

man this thing stops. waaaaay better than stock. thx everybody!!!!!!

Last edited by budget builder; Jun 27, 2017 at 06:10 AM.
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