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Date:   Fri, 13 Sep 2013 11:18:39 -0700
Reply-To:   Don Hanson <dhanson928@GMAIL.COM>
Sender:   Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:   Don Hanson <dhanson928@GMAIL.COM>
Subject:   Re: Cause of brake rotor warping
Comments:   To: J Stewart <fonman4277@comcast.net>
In-Reply-To:   <532696615.3027656.1379091316483.JavaMail.root@sz0063a.westchester.pa.mail.comcast.net>
Content-Type:   text/plain; charset=ISO-8859-1

That is a good article.

I have about 20 sets of trashed Big Red brake rotors sitting around my shop from my Porsche racing days. When the holes cracked and connected in these rotors it was time to put on a new set. Breaking in new pads was important...

Finding the proper brake pad compound and understanding it, that too was very important....The basics are that soft pads work better at lower temps but wear out more quickly...Harder pads work better at higher temps (bigger more consistent brake applications) but don't work very well at all when they are below their best temperature range....Street pads...they are meant to work best when dead cold...You get in the van and head out....then have a panic stop...They work....Would not happen with a racing brake pad....On the other hand, when you get your brake rotors glowing red from heat from constant max braking....street pads are not going to stop you very well at all........

Our vans are really small trucks. They should probably be driven like small trucks...somewhat carefully and with the vehicle weight in mind....I bet a fully loaded Vanagon driven hard down a long grade with lots of tight corners...that is nearly 5000lbs of weight, don't forget...even the best Porsche Brembo brakes stuck on there would not be performing very well at the bottom of that run.....

I just drive mine like a small truck...conservatively when it comes to brakes... One or two hard stops in traffic?...normal stock brakes will handle that...Pushing it at 90mph down Tioga Pass?.....No Vanagon Big Brake kit is going to do that very well.

On Fri, Sep 13, 2013 at 9:55 AM, J Stewart <fonman4277@comcast.net> wrote:

> And here is but one article I found... > http://www.stoptech.com/technical-support/technical-white-papers/-warped-brake-disc-and-other-mythsJeff Stewart ----- Original Message ----- > > I remember reading somewhere, I can't remember when\where, that there > > is no such thing as a warped rotor, but simply high/low spots due to > > uneven wear which gives the pulsating feeling when braking. Jeff > > Stewart ----- Original Message ----- > > > I have always understood that the warping occurs when a very high > > > temperature is reached. Is this correct? Like numerous cycles of > > > not > > > exceeding a reasonable temperature should not cause warping. > > > Comments? >


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