Wanted: Disc Brake Backing plates

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Old May 19, 2008 | 07:54 PM
  #1  
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Wanted: Disc Brake Backing plates

Needed for 1987 9 bolt with power disc brakes.
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Old May 21, 2008 | 10:12 AM
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Re: Wanted: Disc Brake Backing plates

Still looking...
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Old May 21, 2008 | 10:29 AM
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Re: Wanted: Disc Brake Backing plates

Just curious. Are you looking for plates for the old-style Delco-Moraine calipers or the newer PBR type?

JamesC
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Old May 21, 2008 | 10:43 AM
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Re: Wanted: Disc Brake Backing plates

I have backing plates that I'm almost positive are for 9 bolt to 4th gen stock disc.
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Old May 21, 2008 | 01:23 PM
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Re: Wanted: Disc Brake Backing plates

Looking for the old style rear disc brake backing plates for the cast iron calipers, 10.5" discs. I think they are the same for both the 9 bolt (my car) and the 10 bolt. These are what came on my 1987 IROC Z28.
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Old May 21, 2008 | 01:27 PM
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Re: Wanted: Disc Brake Backing plates

Safemode,

How much for the 9 bolt rear backing plates delivered to zip code 13827?

Thanks
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Old May 21, 2008 | 01:31 PM
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Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Wanted: Disc Brake Backing plates

Originally Posted by sebowen
I think they are the same for both the 9 bolt (my car) and the 10 bolt.
The mounting holes are slightly different; as a consequence, the two aren't interchangeable. Fourthgen backing places won't accommodate the old style caliper.

You might consider an upgrade (now or at some point):

https://www.thirdgen.org/forums/faq-...iscs-89-a.html

JamesC

Last edited by JamesC; May 21, 2008 at 01:43 PM.
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Old May 21, 2008 | 01:56 PM
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Re: Wanted: Disc Brake Backing plates

Thanks JamesC! Great info. Read the whole thread. I'll stick to trying to find the pre-89 9 bolt backing plates only for the small cast iron calipers.
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