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  #1  
Old 09-23-2011, 04:19 PM
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Default New front rotors for 997.2 GT3

Spent some quality time with bsavino's 997.2 GT3 yesterday replacing the stock front rotors with AP Racing slotted disks.

The OEM rotors had 6100 hard miles on them including multiple track day. Some serious cracks were starting to show.

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Old rotor on the right

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Old 09-23-2011, 04:20 PM
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Default Re: New front rotors for 997.2 GT3

Red center nubs (what the heck are these called?) transferred over to the new rotor.

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Old 09-23-2011, 04:20 PM
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Default Re: New front rotors for 997.2 GT3

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Old 09-23-2011, 04:22 PM
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Default Re: New front rotors for 997.2 GT3

We had to get new screws that hold the rotor to the hub carrier because the OEM screws are a completely different design and didn't fit the countersunk holes on the new rotor.
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Old 09-27-2011, 01:53 PM
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Default Re: New front rotors for 997.2 GT3

Did you happen to check weight difference between new and stock rotors?
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Old 09-27-2011, 06:36 PM
edwin814 edwin814 is offline
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Default Re: New front rotors for 997.2 GT3

I was under the impression that Porsche recommends replacing those red "nubs" every time one changes the rotors. So it's not really necessary? Looking at the pic from Suncoast, I guess it's because those fasteners have some green loctite on them?
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Old 09-28-2011, 11:46 AM
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Default Re: New front rotors for 997.2 GT3

My Porsche tech did not replace them either, he is a GT3 specialist and told me there wasn't a reason if all torque to specs.
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Old 09-29-2011, 08:09 AM
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Default Re: New front rotors for 997.2 GT3

I just purchased a new set of Girodisc rotors for my 2011 GT3 and they came with new hardware to replace the Red Nubs or whatever their called.

I change the rotors out at the track (MMP) on Sunday morning along with new Pagid pads, took about 35 minutes to change out rotors and pads.
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Old 10-02-2011, 01:15 PM
gofishracing gofishracing is offline
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Default Re: New front rotors for 997.2 GT3

Stock size pads with AP ? . ? Different pads with Giro Discs I believe.
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Old 10-03-2011, 06:02 PM
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Default Re: New front rotors for 997.2 GT3

Quote:
Originally Posted by PolarPorsche View Post
the Red Nubs or whatever their called.
bobbin ?
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Old 10-03-2011, 11:51 PM
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Default Re: New front rotors for 997.2 GT3

We kept the stock sized Pagid Black front pads for the AP Racing rotors. The outer pad on the passenger side was worn a bit more on the leading edge so we ended up flipping the pad. All the other pads were wearing evenly.

Sorry, didn't weigh the rotors to compare with stock.

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Originally Posted by gofishracing View Post
Stock size pads with AP ? . ? Different pads with Giro Discs I believe.
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