[Mgs] crossed drilled brake rotors

Simon Matthews simon.d.matthews at gmail.com
Fri Sep 21 17:04:10 MDT 2007


Max,

I can't count the number of times that the disks on my wife's Voyager
have faded out. The down grades into Big Basin, John Muir Woods and
Yosemite valley are all places where this has happened, even with
ceramic pads.

The rotors are vented on this vehicle.

Regards,
Simon

On 9/20/07, Max Heim <max_heim at sbcglobal.net> wrote:
> I can't speak for my MGB, but on my other car (which weighs 3400 lbs), I
> recently fitted cross-drilled, slotted, vented rotors, replacing the OEM
> vented rotors, which were seriously warped (and notorious for doing so). I
> then had the opportunity to do some vigorous driving on mountain roads,
> including downgrades of 9% and more. One on of these, due to catching up to
> slower traffic entering a series of hairpins, I managed to completely fade
> the brakes, so that it took several hundred feet to stop on a gravel turnout
> with the hand brake full on. After sitting and cooling for 15 minutes, I was
> able to continue. The rotors did not warp or show any other sign of damage.
> I attribute the fading to the fact I was using OEM organic brake pads rather
> than anything more aggressive, and that this car has a non-lockup automatic
> transmission.


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