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Re: [Fot] Rotor runout

To: Greg And Alison Blake <ablake2@austin.rr.com>
Subject: Re: [Fot] Rotor runout
From: Scott Janzen <sjanzen@me.com>
Date: Sat, 12 Sep 2015 20:30:45 -0400
Cc: 'Friends of Triumph' Triumph <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <8E97E566-FDAB-4127-8951-2BB7D61F8C00@austin.rr.com>
Swap rotors to the other side and find out if runout is the same. I gave up on 
turning rotors - too many runout issues and new ones for the gt6 are $25-30. 
Not much different from having them turned, though it seems like a waste.

Sent from my mobile device 

On Sep 12, 2015, at 6:43 PM, Greg And Alison Blake <ablake2@austin.rr.com> 
wrote:


My pads were pulsing pretty bad at the last race so I had the rotors turned at 
a shop I trust. 

Upon reinstall today I found that I had 0.010" of runout on the passenger side 
rotor. I repacked the bearings and I use the spacer kit which was setup with 
about 0.0005" of play. I was curious so I measured the runout on the uncle jack 
hub wheel flange and was surprised to find 0.003" of runout in the hub. 

On the driver's side, rotor was 0.003 and hub wheel flange was 0.0005". 

Did my shop just do a horrible job turning the one rotor?  What kind of runout 
is spec for the uncle jack hubs?  Is it possible that a wheel bearing race has 
gone wonky on the passenger side hub to cause the whole hub assemble to have 
the runout?  




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