RE: [DMCForum] rear brake rotors

["Travis Goodwin" <tgoodwin@xxxxxxxxxxxx>]

Walt... this revelation disturbs me. I need to repalce my front rotors in
the coming months and was very close to going with PJ Grady's. Have you
heard anything about the rotors from DMCH or D1?

> -----Original Message-----
> From: Walter Coe [mailto:Whalt@xxxxxxx]
> Sent: Monday, March 03, 2003 1:48 AM
> To: DMCForum@xxxxxxxxxxxxxxx
> Subject: [DMCForum] rear brake rotors
> 
> Re: [DMCForum] Avi is Back! - Walt isn't
> 
> Today I replaced my rear brake rotors (again) and accidentally let the
> master cylinder run dry while bleeding.  So... I have to wait until
> tomorrow
> to buy master cylinder bleed kit before I can get the car back on the
> road.
> 
> The issue with my brakes: one of the original rear rotors was chipped,
so
> I
> had to replace it.  I got a new pair from PJ Grady, and they sucked
> royally.
> They had excessive runout which was so bad that if I had them cut then
> they
> would have been under spec.  And these were new rotors!  Interestingly
> enough, I had no problems with brake pulsation.  The runout wasn't
> thickness
> variation but a matter of not having the hub parallel with the rotor.
As
> the rotor wobbled, it pushed the brake pads apart.  This seemed to not
be
> a
> problem at first.  Rob told me over the phone that this wouldn't hurt
the
> calipers.  As the rotor turned, the wobble slapped the hand brake pads
and
> caused one of them to fall off.  (I'm not the first to have this problem
> with PJ Grady rotors, BTW.)  So I put on new pads and adjusted the hand
> brake with lots of play to give room for the rotor to wobble.  Soon
> afterwards the brakes feel glazed.  I take the wheels off; and sure
> enough,
> there is a bluish glossy layer all over the rotor.  So I sand it off and
> was
> fine for a while.  This was about a year ago.
> 
> Now fast forward to the present: the glaze is back and stopping the car
> requires much more pressure on the pedal.  So... I put another set of
> rotors
> on.  These are NOS from DMCJoe while he had a half-off sale about 2
years
> ago.  One rotor has no runout that I can tell.  The other has just a
speck
> of runout -- not even worth mentioning.  Hopefully this will solve my
> rotor
> glazing problem.
> 
> And the moral of the story?  Always buy your parts from DeLorean
specific
> vendors and you won't have these kinds of issues.  Oh wait!  That's what
I
> did.  So much for that idea.  Well, I have one more beer in the fridge.
> :-)
> 
> Walt
> 
> 
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