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Mod | | | Forums66 Topics128,087 Posts1,056,376 Members48,442 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Aug 2011 Posts: 45 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2011 Posts: 45 | If the brakes you have are "self energizing" the primary shoe is normally thinner than the secondary shoe. The front shoe pushes the rear shoe into the drum and putting more pressure on that shoe. In theory, by the time the shoes are worn out, they will be about the same thickness.
Joe
The older I get, I only want to work on older rigs.
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