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When your front brake pads look like this, it's time to change...

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Old 03-27-2002, 07:58 PM
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Default When your front brake pads look like this, it's time to change...

After overheating my Porterfield R4S pads at the track (and eating through them), I've decided that running one pad in the front for both street and track, just isn't going to work.

Front Left Backing Plates (notice the entire lack of any brake pad material)

<img src="http://www.boom.net/~ryans4/BackingPlates/2.jpg">


Closeup of the backing plate:

<img src="http://www.boom.net/~ryans4/BackingPlates/5.jpg">

FYI, the car stops a whole lot better WITH brake pad material...
Old 03-27-2002, 07:59 PM
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HOLY SH%#!! are the rotors fine?
Old 03-27-2002, 08:01 PM
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Default Actually, the rotors are in outstanding condition...

The pads lasted till the last turn of my last lap of my last session at the track, so it wasn't as if I was braking on backing plates up front for a couple hours or so.

Of course, driving around like this for a couple weeks might have done some damage to the rotors, but mine are great, don't even need to be resurfaced.

Bonus...
Old 03-27-2002, 08:03 PM
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um.. yeah..that would be a good thing
Old 03-27-2002, 08:08 PM
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Default Was your wear sensor screaming bloody murder?

You have stock brakes, right?

I ground a groove in my AP's, though a little grinding by DSR fixed that up real good like.

-B
Old 03-27-2002, 08:09 PM
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Default if it was the stock brakes, I would have driven home like that...

New brakes, so no wear sensor...

Come on, do those look like stock front S4 brake pad backing plates?
Old 03-27-2002, 08:11 PM
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Default oh good ;) I've had my APR level 3 brakes on for all of two weeks now

I'm doing my very first track event at Road Atlanta in June and plan to switch to track pads the day before I drive up (currently using APR's street pads.) I haven't done any research yet but I need to look into which track pads will best suit my needs. How were the Porterfields?
Old 03-27-2002, 08:14 PM
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Default I'll be trying the Porterfield R4's on track next time...the R4S are great for street...

...and I'll probably keep the R4S' in the rear brakes all the time.

Although someone posted a thread not to long ago that Stoptech doesn't recommend the Porterfield stuff (I believe they like the Pagid pads).

Haven't tried Pagid's yet, probably next set I'll try them. I do know that the Pagid's cost more.

Either way, I'll never go to the track again without another set of pads. And I definitely won't run street pads on track ever again.
Old 03-27-2002, 08:24 PM
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Default *sniff* You do me proud! I did that to my Ferodos and then had to drive home 3 hours

It doesn't sound that bad until you have to do it in rush hour traffic in Los Angeles.
Old 03-27-2002, 08:24 PM
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Default StopTech's comments about not using Porterfields was specific to the R4S pads.

Matt didn't have any reservations about the R4 pads for track use in my conversations with him.

From the experiences I have had/read so far, it sounds like our rear brakes aren't really that sensitive to track vs street pads. I have yet to hear of anyone cooking their rear rotors even with stock pads.


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