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Backing plates WTF !!??

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Old Apr 9, 2010 | 05:36 PM
  #1  
84 z28's Avatar
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From: Rochester NY
Car: 1984 z28
Engine: 355
Transmission: 700r4
Axle/Gears: Moser 9" 4.11
Backing plates WTF !!??

I'm need to get my rearend to the speed shop to get rebuilt. Is it possible to just remove the backing plates and brakes as a whole assembley? I unbolted the 2 small screws on the bottom and removed the one large nut on the top back for the axle flange but the backing plate dosent seem like it wants to budge. Is there sometihng else i need to un bolt or just yank on the backing plate more ?
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Old Apr 9, 2010 | 06:25 PM
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//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Backing plates WTF !!??

you have drums i assume? the axles have to come out to get the plates off, after that, everything should come off as one piece.
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Old Apr 9, 2010 | 06:33 PM
  #3  
84 z28's Avatar
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From: Rochester NY
Car: 1984 z28
Engine: 355
Transmission: 700r4
Axle/Gears: Moser 9" 4.11
Re: Backing plates WTF !!??

Originally Posted by //<86TA>\\
you have drums i assume? the axles have to come out to get the plates off, after that, everything should come off as one piece.

Yes I have drums. Axles are out, everthing is in bolted. Just seems like it dosent want to budge and I didnt want to force it.
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Old Apr 9, 2010 | 07:18 PM
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From: 62656
Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
Re: Backing plates WTF !!??

yes you dont have to dissasemble the brakes to remove the entire plate and brakes assembly. ive done it many times even on an 84 z28 when i swapped on 1980 cutlass ones

if you removed all four bolts then the plates should come off

maybe they are just stuck good

knock them around a bit with a BFH
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Old Apr 9, 2010 | 07:48 PM
  #5  
84 z28's Avatar
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From: Rochester NY
Car: 1984 z28
Engine: 355
Transmission: 700r4
Axle/Gears: Moser 9" 4.11
Re: Backing plates WTF !!??

Originally Posted by Randy82WS7
yes you dont have to dissasemble the brakes to remove the entire plate and brakes assembly. ive done it many times even on an 84 z28 when i swapped on 1980 cutlass ones

if you removed all four bolts then the plates should come off

maybe they are just stuck good

knock them around a bit with a BFH

Are you sure theres 4 bolts i onyl see 3 ?
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Old Apr 9, 2010 | 07:57 PM
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From: menasha wi
Car: 87 TA
Engine: 305 tpi
Transmission: auto
Re: Backing plates WTF !!??

should only be three, one big one on top, and two smaller on the bottom if memory serves
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Old Apr 9, 2010 | 08:04 PM
  #7  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Backing plates WTF !!??

yeah, drums have 3 bolts. Smack the thing with a BFH, its just stuck/rusted on
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Old Apr 11, 2010 | 05:19 PM
  #8  
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Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
Re: Backing plates WTF !!??

3 or 4 or whatever yeah, just remove them. some dont have 4. some do. most of the older stuff does anyways.

i work on everything and its 90% of the time 4 of them

but.,,,,, lol



good luck
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Old Apr 11, 2010 | 06:21 PM
  #9  
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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: Backing plates WTF !!??

Originally Posted by Randy82WS7
3 or 4 or whatever yeah, just remove them. some dont have 4. some do. most of the older stuff does anyways.

i work on everything and its 90% of the time 4 of them

but.,,,,, lol
Hey, Randy,

If there are four-bolt flanges on a drum rear (another member has suggested that that's the case), would the rear disc backing plate bolt up?

JamesC
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