| [GMCnet] Front brake rotors. Protect them. Just FYI [message #242663] |
Fri, 07 March 2014 17:40  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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I'm working on my stock front knuckles. The old timers are very aware that the first piece in. And the last piece out is the front disc rotors. It's a huge task to get them out. So the advice to the new owners is never let the steel part of your front pads come in contact with your rotors. They're a long way in too. And a long way out. My rotors looked very good. I still spent the $30 to have them both turned.Bob Dunahugh GMCMI Member78 Royale
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| Re: [GMCnet] Front brake rotors. Protect them. Just FYI [message #242687 is a reply to message #242663] |
Fri, 07 March 2014 19:40  |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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My meory is hazy (for reasons unspecified) but didn't one of the early imports - honda maybe - specify that the discs be ground true on the car? And had a fixture for doing this? It would save a lot of grief if the GMC ones could be done this way. Anyone remember?
--johnny
'76 23' transmode norris
Braselton GA
________________________________
From: Bob Dunahugh <yenko108@hotmail.com>
To: "gmclist@temp.gmcnet.org" <gmclist@temp.gmcnet.org>
Sent: Friday, March 7, 2014 6:40 PM
Subject: [GMCnet] Front brake rotors. Protect them. Just FYI
I'm working on my stock front knuckles. The old timers are very aware that the first piece in. And the last piece out is the front disc rotors. It's a huge task to get them out. So the advice to the new owners is never let the steel part of your front pads come in contact with your rotors. They're a long way in too. And a long way out. My rotors looked very good. I still spent the $30 to have them both turned.Bob Dunahugh GMCMI Member78 Royale
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Front brake rotors. Protect them. Just FYI [message #242693 is a reply to message #242663] |
Fri, 07 March 2014 20:19 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Bob,
This is interesting the stock rotors are 1.20 inches thick, the minimum thickness is 1.185; and the discard dimension is 1.17
inches.
Quote: "There must be 0.015" left for wear after turning disc's"
Ref. MM X-7525 - SECTION 5 - BRAKES - PAGE 5-38/39).
That means you can remove 0.0075 inches MAX from each side to remain within the specs.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Bob Dunahugh
I'm working on my stock front knuckles. The old timers are very aware that the first piece in. And the last piece out is the front
disc rotors. It's a huge task to get them out. So the advice to the new owners is never let the steel part of your front pads come
in contact with your rotors. They're a long way in too. And a long way out. My rotors looked very good. I still spent the $30 to
have them both turned.Bob Dunahugh GMCMI Member78 Royale
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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