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When are the drums to worn out to use


New Member
Interested in some Buick drums for sale locally. In the pictures, it looks like there's plenty of "meat" for a cleanup cut but I know there's some limit before their too thin to use.

Is there a dimension, diameter, thickness, that I can use as a reference? I don't have calipers large enough to measure the diameter. Is there a way I can judge how much life is left in them?

Check mfgs specs on minimum thickness of drum. Some are marked, most are not. Same with brake rotors. If you are sending them to brake shop to be machined, they will know. Check for cracks also.
You can sometimes find the maximum size limit stamped on the drum.


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