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10-27-2025, 10:34 PM
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#1 |
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Registered User
Join Date: Jan 2017
Location: Los Osos Ca
Posts: 616
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Drum Backplate Repair
Is there a way to repair the surface of the backplate that the shoe rides on? This is for a 65 K20 rear. Pretty sure new, or even decent used, replacements are not an option.
Thanks for any help, Tom
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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10-27-2025, 11:45 PM
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#2 |
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Registered User
Join Date: Dec 2016
Location: Canon City, Colorado
Posts: 265
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Re: Drum Backplate Repair
Weld it.
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10-28-2025, 12:35 AM
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#3 |
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Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,363
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Re: Drum Backplate Repair
That's what I was gonna say...
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10-28-2025, 10:48 AM
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#4 |
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Registered User
Join Date: Jan 2017
Location: Los Osos Ca
Posts: 616
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Re: Drum Backplate Repair
Thanks, that’s what I was thinking might work. Wondering how to get them nice and level afterwards? All I’ve got is a hand grinder and not sure how perfect they need to be.
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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10-28-2025, 02:46 PM
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#5 |
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Registered User
Join Date: May 2011
Location: Anderson SC
Posts: 4,044
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Re: Drum Backplate Repair
I just did this on my '66 to try to get the brakes to stop sticking partially engaged. I only welded the divots, then used a 2" roloc disc to grind the welds until they were just level with the original pads.
   
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Project Goldilocks '66 C10 Short Fleet BBW Build '65 C10 Highly Detailed Stock Restoration Thread '78 Camaro Targa Roof Build '55 International Metal/Body/Paint Work '66 F100 Full Rotisserie Restoration '40 Packard 120 Convertible Coupe Restoration How To Restore and Detail an Original Gauge Cluster How To Detail Sand Body Panels, Edges, Corners, Etc |
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10-28-2025, 09:41 PM
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#6 |
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Registered User
Join Date: Jan 2017
Location: Los Osos Ca
Posts: 616
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Re: Drum Backplate Repair
Thanks Astronaut, looks like you got them pretty good. Not sure what a roloc disc is though.
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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10-28-2025, 10:51 PM
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#7 |
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Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,389
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Re: Drum Backplate Repair
Basically a 2" sanding disc that goes on an angle die grinder. Twist-to-lock attachment by 3M is where "roloc" comes from
Even a sanding disc on an angle grinder can work (be gentle).
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, turbo, LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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10-30-2025, 01:16 PM
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#8 |
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Registered User
Join Date: Jan 2017
Location: Los Osos Ca
Posts: 616
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Re: Drum Backplate Repair
Thanks to all for the helpful replies, I’ll give it a try
Tom
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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10-30-2025, 02:48 PM
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#9 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,182
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Re: Drum Backplate Repair
Then in another 60 years you can do it again.
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66 fleetside 350 4sp |
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