Proportinal valves needed.

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Old Apr 21, 2010 | 07:08 PM
  #1  
Shadyredeyes's Avatar
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From: Texas
Car: 1987 Camaro Iroc Z28
Engine: 350 S/B
Transmission: 700 R4
Axle/Gears: 2.43 Gear Ratio
Proportinal valves needed.

I need to find a set of proportional valves for a #.42 rear with disc brake setup. Anyone out there have some?
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Old Apr 21, 2010 | 08:39 PM
  #2  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Proportinal valves needed.

Originally Posted by Shadyredeyes
I need to find a set of proportional valves for a #.42 rear with disc brake setup. Anyone out there have some?
There's only a single combination valve (which includes a proportioning valve) on our cars. Ratio makes no difference. Do you need it for 82-88 Delco-Moraine calipers or 89+ PBR's?

JamesC
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Old Apr 21, 2010 | 09:42 PM
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igotta355z28's Avatar
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From: Bedford Tx
Car: 1991 Z28 1LE
Engine: 370CID GenIII
Transmission: 4l60e
Axle/Gears: 4.33 Moser 9inch
Re: Proportinal valves needed.

he needs 89+ its a 97 lt1 z28 rear& brake setup
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Old Apr 22, 2010 | 07:10 PM
  #4  
Shadyredeyes's Avatar
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Joined: Mar 2009
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From: Texas
Car: 1987 Camaro Iroc Z28
Engine: 350 S/B
Transmission: 700 R4
Axle/Gears: 2.43 Gear Ratio
Re: Proportinal valves needed.

Your right igotta355z28. '97 LS1 Z28 rear going into an '88.
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Old Apr 22, 2010 | 08:41 PM
  #5  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Proportinal valves needed.

Originally Posted by Shadyredeyes
Your right igotta355z28. '97 LS1 Z28 rear going into an '88.
Then you need the first-design 1LE combination valve. Ed Miller sells them new, IIRC. BTW, if you haven't seen the following info, you may find it useful (toward the bottom):

https://www.thirdgen.org/forums/tran...-10-bolts.html

JamesC

Last edited by JamesC; Apr 23, 2010 at 07:17 AM.
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