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what is this plate on my wheel??

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Old Jul 20, 2012 | 10:47 PM
  #1  
WILL85IROC's Avatar
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
what is this plate on my wheel??

sup everybody..... my car is losing its stopping power so i decided to check my brakes, wheels, etc .... when i took off the rear driver side wheel i noticed this plate or spacer on it... its only on the one side and not the other... is this standard and what is it???
thanks...
Attached Thumbnails what is this plate on my wheel??-pic1.jpg   what is this plate on my wheel??-pic2.jpg  
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Old Jul 20, 2012 | 10:49 PM
  #2  
WILL85IROC's Avatar
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

my e-brake is not holding either.... when i pulled off the other rear wheel this is what i see! dam.... is this the ebrake cable??? if so, how do i fix it???
Attached Thumbnails what is this plate on my wheel??-pic3.jpg   what is this plate on my wheel??-pic4.jpg  
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Old Jul 20, 2012 | 10:50 PM
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

i also noticed that the brake pad on the right where the snapped cable is wider than the left where that spacer/plate ...
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Old Jul 20, 2012 | 10:52 PM
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

from what i can see, all my lines look good so my buddy suggest i get a new master cylinder and prop valve... any suggestions??
thnx again...
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Old Jul 20, 2012 | 11:17 PM
  #5  
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

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Old Jul 21, 2012 | 07:59 AM
  #6  
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

anyone??
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Old Jul 21, 2012 | 08:00 AM
  #7  
WILL85IROC's Avatar
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

how come i cant see my post on the main brake board list??? its not showing up as a new thread
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Old Jul 21, 2012 | 09:24 AM
  #8  
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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: what is this plate on my wheel??

Originally Posted by WILL85IROC
how come i cant see my post on the main brake board list??? its not showing up as a new thread
No problem seeing it.

You can find info about the spacer in the following link:

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

JamesC
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Old Jul 21, 2012 | 10:02 AM
  #9  
WILL85IROC's Avatar
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

so i can remove the spacer? the rigth side one is missing anyway...
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Old Jul 21, 2012 | 10:07 AM
  #10  
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: what is this plate on my wheel??

Originally Posted by WILL85IROC
so i can remove the spacer?
Yes.

JamesC
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Old Jul 21, 2012 | 11:08 AM
  #11  
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Re: what is this plate on my wheel??

Those spacers came on all the disc brake cars...

Their presence, or the presence of their absence, doesn't seem to matter to the car's operation either way.

I suspect, but don't "know", that they had something to do with manufacturing; such as for instance, the equipment used on the assembly lineto install the rear to the car, or the wheels to the rear, needed them to make the location of something EXACTLY match the same thing on a drum rear. I.e. they are only necessary during manufacture and are no longer required once it has left the factory.
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Old Jul 25, 2012 | 05:56 AM
  #12  
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From: Howard Lake, MN
Car: 86 Camaro
Engine: 355- hopefully a 5.3 this summer
Transmission: 700r4
Axle/Gears: 3.42
Re: what is this plate on my wheel??

my very stripped down base model 86 Camaro has those goofy spacers on it- it left the factory with a V6, drum brakes, and 15" wheels. i was shocked that they were there, given that the car had some of those cheap steel wagon wheels with the chrome outer rim and gold centers..
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Old Jul 25, 2012 | 06:55 AM
  #13  
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Re: what is this plate on my wheel??

My 82 trans am had 14" turbocast rims and had the spacers too. But IIRC it had them on all 4 wheels.
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Old Jul 27, 2012 | 07:46 PM
  #14  
WILL85IROC's Avatar
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From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
Re: what is this plate on my wheel??

anyone got a spare one for sale?
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