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Old 01-13-2013, 01:41 AM   #1
Mark Yacavone
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Default Re: How to adjust the rear drum brakes

Mostly all covered already...

My opinion is that the aluminum 9.5 x 2 GM drums are worth a few hundredths anyway
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Old 01-13-2013, 01:29 PM   #2
Lonnie Cox
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Default Re: How to adjust the rear drum brakes

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Originally Posted by Mark Yacavone View Post
Mostly all covered already...

My opinion is that the aluminum 9.5 x 2 GM drums are worth a few hundredths anyway
Mark do i need to go to the dealer to purchase them. Thank You
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Old 01-13-2013, 02:13 PM   #3
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Default Re: How to adjust the rear drum brakes

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Mark do i need to go to the dealer to purchase them. Thank You
You can try the wreckers, late 70's early 80's malibu, cutlass, etc. There getting hard to find nowadays. Discontinued at the dealer for years. All the jobber ones are cast.
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Old 01-13-2013, 02:22 PM   #4
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Default Re: How to adjust the rear drum brakes

and about the aluminum drums. Be careful about drums that have been machined several times and are way over the safe spec limit. They have been known to break away from the flange.

Because of the rarity they have become pricey and finding a pair within spec is a problem.
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Old 01-13-2013, 02:27 PM   #5
Mark Yacavone
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Default Re: How to adjust the rear drum brakes

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and about the aluminum drums. Be careful about drums that have been machined several times and are way over the safe spec limit. They have been known to break away from the flange.

Because of the rarity they have become pricey and finding a pair within spec is a problem.
All true..
Use at your own risk. I've never had any trouble with good ones. I've got one pair left that I don't think I want to use...Maybe on a U/SA car ;-)
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Old 01-14-2013, 09:17 AM   #6
Jim Kaekel
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Default Re: How to adjust the rear drum brakes

Personally, I wouldn't use aluminum drums. I put a pair on the rear of my car about 10-12 years ago. A close friend that worked in a brake shop told me to watch them close because they were noted for cracking the inner steel liner. Sure enough, within a couple of months there were cracks evident, so I tossed them. There's been a couple of stockers that I know of personally that went into the sand trap after breaking an aluminum drum.
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Old 01-14-2013, 09:38 AM   #7
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Default Re: How to adjust the rear drum brakes

Over my years as a techman I have been sent to the far end a few times to check on cars with brake failure. I have seen my share of broken aluminum brake drums that caused the problem. While they may be worth a couple hundredths, stopping safely run after run seems more worthwhile.
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Old 01-15-2013, 06:02 PM   #8
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Default Re: How to adjust the rear drum brakes

Totally agree with Mike and Ed. I ran aluminum drums on the rear of my car until the end of the season then switched to mark Williams single caliper rears. I cannot believe how much better the holding and stopping power is. I even had the soft shoes that held way better than the stock ones.
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