[Fot] Rotor run out

[Chip Collingwood]

no leave the races in the hub as this is what centers the hub
centrically...then wash out the assembly to remove any filings...no damage
should occur to the races if done correctly.


Chip Collingwood
theukmotorsports.com
(804) 564-1839

On Sun, Sep 13, 2015 at 9:27 AM, Greg And Alison Blake <
ablake2 at austin.rr.com> wrote:

> I always remove the rotors and take them to the shop that cuts them. I've
> looked at their lathe and I don't think it could do it while the rotors are
> still attached to the hub, but I could be wrong. If you do this, do you
> also remove the bearing race to avoid damage from the operation?
>
>
>
> > On Sep 13, 2015, at 2:26 AM, Peter Vucinic <pvucinic at netspace.net.au>
> wrote:
> >
> > Are you machining the rotors while they are still attached to the hubs?
> >
> > 0.010" run out will cause major pedal feel and steering feel issues. You
> > want to aim for 0.003" TIR. You also need to check and make sure your
> pads
> > are NOT wearing in a TAPER.
> >
> >
> >
> > "You can Make a Small Fortune From Motor Racing. As long as You Started
> With
> > A Lage Fortune!"
> > Kind Regards
> > Peter Vucinic
> > TR4 - TR7 V8 - Spitfire MkII
> > _______________________________________________
> > fot at autox.team.net
> >
> > http://www.fot-racing.com
> >
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> >
> >
> > -----Original Message-----
> > From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Greg And
> Alison
> > Blake
> > Sent: Sunday, 13 September 2015 8:43 AM
> > To: FOT
> > Subject: [Fot] Rotor runout
> >
> >
> > 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?
> >
> >
> >
> >
> > _______________________________________________
> > fot at autox.team.net
> >
> > http://www.fot-racing.com
> >
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> >
> >
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>
> http://www.fot-racing.com
>
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