Need Disk Brake Proportion Valve 1st Design

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Old Mar 5, 2010 | 02:40 PM
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Car: 88 IROC
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Need Disk Brake Proportion Valve 1st Design

I need a disk brake proportion valve to fit my 88 Camaro. I believe it is the first design that is mostly fine threaded. And Im running a 94 z28 disk rear.

Please let me know price + shipping to 24330.

Thanks

Last edited by 3rdgenmaro; Mar 7, 2010 at 07:18 AM.
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Old Mar 5, 2010 | 03:04 PM
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Re: Need Disk Brake Proportion Valve 1st Design

Originally Posted by 3rdgenmaro
I need a disk brake proportion valve to fit my 88 Camaro. I believe it is the first design that is mostly fine threaded.

Please let me know price + shipping to 24330.
If you're looking for new:

http://www.flynbye.com/catalog/i40.html

JamesC
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Old Mar 5, 2010 | 04:30 PM
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Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73
Re: Need Disk Brake Proportion Valve 1st Design

Thanks for the site.

I actually seen you post that site earlier when I was searching through old threads. Going to see if I can find one cheaper that is used first. Then buy new if i have to.

I need to sell the one I have. Or trade. I have the newer one, 89-92. Found that out the hard way today. lol
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Old Mar 5, 2010 | 10:07 PM
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Car: 89 Iroc Convertible
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Axle/Gears: 3.27 Posi 9 bolt PBR
Re: Need Disk Brake Proportion Valve 1st Design

I have one from an 86 T/A and one from an 88 GTA both J65 4 wheel disc cars.Asking 50 dollars shipped
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Old Mar 6, 2010 | 08:45 AM
  #5  
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Car: 88 IROC
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Transmission: 700 r4
Axle/Gears: 3.73
Re: Need Disk Brake Proportion Valve 1st Design

EDIT: Now looking for a proportion valve that fits an 88 camaro with the PBR brakes.

Im running a 94 z28 disk rear.

Last edited by 3rdgenmaro; Mar 6, 2010 at 08:40 PM.
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Old Mar 6, 2010 | 08:55 AM
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Car: 89 Iroc Convertible
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.27 Posi 9 bolt PBR
Re: Need Disk Brake Proportion Valve 1st Design

I had a similar problem after I had my rear swapped in the 89 vert.I pulled a disc prop valve from a 90 formula 350 and it would work.Luckily I had also purchased one from thomas at house of camaro which was from an 89 iroc and it fit.The brakes now feel 100% better
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Old Mar 6, 2010 | 09:19 AM
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Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Need Disk Brake Proportion Valve 1st Design

Just a note: All four-wheel disc cars, 82-92, are RPO J65. Only the 89+ cars, however, will have the 1LE-type combination valve (and there are two designs, first and second). When you mentioned first design, the above is what came to mind.

JamesC
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Old Mar 6, 2010 | 08:39 PM
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From: Lincolnton, NC
Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73
Re: Need Disk Brake Proportion Valve 1st Design

well with a lot of help from my82Iroc, it turns out that since I have a 94 z28 rearend then I need a proportion valve for PBR brakes that will fit my 88.

Anybody out there have one for sell?
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Old Mar 7, 2010 | 08:56 AM
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From: Lincolnton, NC
Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73
Re: Need Disk Brake Proportion Valve 1st Design

good to go now. Thanks for all the help JamesC and my82roc
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Old Mar 11, 2010 | 02:15 PM
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From: Illinois
Car: 89 Iroc 78 z-28
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Axle/Gears: 2.77:1
Re: Need Disk Brake Proportion Valve 1st Design

I have one from a 86 With rear disc brakes. $25.00 plus shipping USP "fits it ships box"
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