Am I reading this all wrong? If the limit is .787 that means anything thinner 
than that (like .750) is junk... So if you had .800 you could turn down as far 
as .787...

The big question is not how thick the old ones are but how thick the NEW ones 
are. I'm given to understand the last decade or so has brought in real crap for 
brake discs. My Dad runs a landfill and says they used to get extra money for 
brake discs but now they don't.

-Curt

Date: Sun, 11 Apr 2010 20:52:11 -0400
From: "LarryT" <l02tur...@comcast.net>
To: <mercedes@okiebenz.com>
Subject: [MBZ] Brake Disc Thickness Limit
Message-ID: <2defca7faba94814a4e458a193f16...@laptop>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
    reply-type=original

Hi Gang,
    I replaced my front discs a while back with a set of discs and calipers 
I bought from a fellow lister (got a great deal on a complete set of 
calipers and discs, and pads from a 95 300D) - the old ones I removed are 
approx. .750" and the limit according to the book is .787" (20mm) -  but I 
have not frane of reference of how much is normally removed when discs are 
turned.  I know it depends on the depth of any scoring but that's it.

    If minimal metal needs to come off, would the .037" be enough to clean 
up a typical disc?  Plus, I wouldn't want the discs to be turned to .750" 
and have 0 metal left as wear material.

    I'm probably not framing this question very well - basically, I am 
wondering if it's worthwhile to have a shop mess with trying to clean these 
up?   Does any of this makes sense?

    BTW, the ones I bought have performed flawlessly!  ;-)

Any ideas?
Thx
Larry
91 300D
W124-028


      
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