Warped brake backing plate locked up my rear DS wheel and exploded everything. I can’t find anything anywhere for a replacement…anyone have this issue? What’s my solution hahaha!
CK5
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11” drum brake warped plate…
- Thread starter CamCal
- Start date
Didn't they once sell a loaded brake plate?
All stock, 10 bolt 6 lug. Thinking about it now, im concerned the flange may be bent…so even finding the correct back plate isn’t gonna help me
I can’t find a loaded 11 x 2.75 anywhere, been looking since Wednesday
It’s from my ‘85 K5.
Thank you for the quick response, this is frustrating as usual with a limited amount of financial support
Thank you for the quick response, this is frustrating as usual with a limited amount of financial support
Yes, just crossed my mind this morning about the flange alignment this morning so im pulling the axle now and gonna cross my fingers
Update:
So, i did tweak the flange…
On the plus side I did find a couple loaded plates on ebay from a guy in Ontario! Unfortunately they are 2” so had to get new drums. Did not want to down size, but nothing in the boneyard matched up, so should be fine (i already upgraded front to wilwood dual piston). In the mean time, noticed one of the spider gears was showing early pitting, so replaced as well.
Gonna space out the tweaked flange so i can put back together and move it out of the drive way to finish my previous project .
I’m can’t figure out how to load photos. Haha!
Yeah you’re being punished for being a newbie. The software has its quirks. If you still around, the membership is worth it and bypasses all that
Back to ChevyTalk it is!
…nah just messing, im happy to support.
Haha, make sure it’s worth your while. But I’ve been here a day or two, might be biased
just thinking out loud here, but aren't the axles going to be to long for the 2" wide drums ? If so just put your 2.75" shoes and hardware on the new to you plates and use your drums.
No actually I was worried about that too when i bought them, but found a mustang forum with guy swapping 2” up to 2.75” with great info:
Because the 3” plate is offset to the inside all you need is the correct drum size. If it was wider to outside (based off the housing flange) no adjustment would be possible because the drum would hit the wheel.
When i measured my 3” plate vs the new 2” its flange mouting surface was 1/2” out board, moving the pad surface inboard.
My guess is that GM was smart enough to realize backplates are cheaper and than axles?
I’ll post pictures in a minute
Because the 3” plate is offset to the inside all you need is the correct drum size. If it was wider to outside (based off the housing flange) no adjustment would be possible because the drum would hit the wheel.
When i measured my 3” plate vs the new 2” its flange mouting surface was 1/2” out board, moving the pad surface inboard.
My guess is that GM was smart enough to realize backplates are cheaper and than axles?
I’ll post pictures in a minute
So the pics are the inboard sides (mounted to flamge). You can see on the caliper that it’s near 1/2” in a n the 3” original.
Can’t use the 3” drum on the 2” plate because it’s set inside, it will bottom on the playe before contacting the axle. Larger height pads require more inboard space
Can’t use the 3” drum on the 2” plate because it’s set inside, it will bottom on the playe before contacting the axle. Larger height pads require more inboard space
good info, makes prefect sense too
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