Most brake drums have a maximum diameter number cast into them to know when it's time to quit turning them. As the drums get turned, they get thinner and will heat up quicker and may actually separate into a disc and a band stuck to the shoes. One way to reuse worn brake drums is to get the inner surface rebuilt with a metal spray process, but that's big bucks if you can find someone to do it.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.