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08-07-2004, 05:12 PM | #1 |
ROCKET POWER!
Join Date: Feb 2003
Location: Finland, Europe
Posts: 509
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12 bolt brake backing plates...Problem solved!
Mine are badly rusted, need new ones ASAP.
Can't find a GM part number in our EPCs for them, are they available aftermarket? It royally sucks to buy every single part i need to completely rebuild the rear brakes only to find out that i have nothing solid to mount them on. Any and all suggestions, short of swapping to disc brakes, are much appreciated! -Axle Oh and i need them for 11 5/32x2.75" brakes. I'll be satisfied if i can find some used ones in good condition.
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What did i do last nite? I had a wonderful time, That's what they tell me What did i do last nite? 1979 C-10 shortfleet: Olds 350, Th400, 12 bolt Current project: 1969 Olds 455 W-30, needing a rebuild Last edited by RockHQ; 08-10-2004 at 12:38 PM. |
08-08-2004, 01:17 PM | #2 |
ROCKET POWER!
Join Date: Feb 2003
Location: Finland, Europe
Posts: 509
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Anyone? I refuse to believe no-one has had this problem before, seeing as these rear ends are at least 25 years old.
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What did i do last nite? I had a wonderful time, That's what they tell me What did i do last nite? 1979 C-10 shortfleet: Olds 350, Th400, 12 bolt Current project: 1969 Olds 455 W-30, needing a rebuild |
08-08-2004, 11:03 PM | #3 |
Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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A later 10-bolt might be a source. I changed my '79 half-ton Suburban's broken 12-bolt rear end for an '84 10-bolt, & the old backing plates bolted right up to the newer rear end. I don't know the size of the brakes, but they are bigger than the standard pickup truck brakes.
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08-09-2004, 06:43 AM | #4 |
ROCKET POWER!
Join Date: Feb 2003
Location: Finland, Europe
Posts: 509
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Thanks for the lead.
I was finally able to get the part numbers for 11 5/32x2 3/4 backing plates, which are: 14026844 replaced by 0357854 Right 14026843 replaced by 0357853 Left Discontinued from GM. Damn. Standard brakes are 11"x2" for half tons. Wonder what to do.
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What did i do last nite? I had a wonderful time, That's what they tell me What did i do last nite? 1979 C-10 shortfleet: Olds 350, Th400, 12 bolt Current project: 1969 Olds 455 W-30, needing a rebuild |
08-09-2004, 09:03 PM | #5 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Where is junkyardpartseeker???
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08-10-2004, 12:50 PM | #6 |
ROCKET POWER!
Join Date: Feb 2003
Location: Finland, Europe
Posts: 509
|
Drove 100 miles to a big junkyard today, and was able to find about a dozen of 12 bolts on racks, most of them complete with brakes and all. Out of the dozen or so, NONE had the right size brakes. Next i turned to the 10 bolts, which the place had plenty of. Nothing that would fit, nada. Just when i'm about to give up, i spot a pair on top of a junkpile stashed inside an 80's Van waiting to be crushed. Bingo! A pair of nearly rust-free, straight plates complete with brake cylinders and all.
And the best part is, i paid €30 for both. ($40) Thanks to Jimfulco for the tip on 10/12 bolt interchangeability and to everyone else for trying to help.
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What did i do last nite? I had a wonderful time, That's what they tell me What did i do last nite? 1979 C-10 shortfleet: Olds 350, Th400, 12 bolt Current project: 1969 Olds 455 W-30, needing a rebuild |
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