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Joined: Mar 2017
Posts: 201 Likes: 2
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Mar 2017
Posts: 201 Likes: 2 |
How thin is too thin to have drums turned? And how do you measure the thickness?
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Joined: Dec 2007
Posts: 4,024 Likes: 99
ChatMaster - 4,000
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ChatMaster - 4,000
Joined: Dec 2007
Posts: 4,024 Likes: 99 |
Normally the wear limit for a brake drum is established as a maximum inside diameter for the braking surface. Most brake drums from the 50's and newer have that actually cast into the rim of the drum.
I have never looked on any older drums. Probably should!
Rusty
VCCA #44680
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Joined: Mar 2017
Posts: 201 Likes: 2
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Mar 2017
Posts: 201 Likes: 2 |
I'll look for that info tonight
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Joined: Sep 2002
Posts: 2,323 Likes: 6
ChatMaster - 2,000
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ChatMaster - 2,000
Joined: Sep 2002
Posts: 2,323 Likes: 6 |
The limit of .060" over the standard ID of the drum was a pretty common figure in practice. I am talking about ordinary drums for a sedan.
My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .
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Joined: Oct 2009
Posts: 1,294
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Oct 2009
Posts: 1,294 |
I have two drums off a 52 if anyone needs them.
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Joined: Mar 2017
Posts: 201 Likes: 2
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Mar 2017
Posts: 201 Likes: 2 |
I haven't found any markings as to the diameter of the ID on the set I have ,but I suspect they may be too far gone judging by the outer lip left from the shoes wearing in the drum. Not to worry though the set is off of a rear end I just discarded. I thought about keeping them for spares. Most likely I would just replace the entire rear end with one from '51 or later for the Bendix brakes anyway.
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