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Rotor Dimensions

PAULSPEED
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PAULSPEED Member

PAULSPEED

Posted
Posted

Hi,

My friend just had his rotors replaced. He used yellow race pads

and did a lot of track events. He had some cracks between holes.

He said you can chamfer the holes to reduce squeaking. Does anyone

have any other feed back on this?

Does anyone know what the mike settings are for new and for replacing

the rotors?

I am thinking of getting thicker pad greese to stop the squeaks. Once the

wheel is off, I will mike the rotors.

Paul

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PAULSPEED Member

PAULSPEED

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Posted
If you want rotor specs I will need model year and exact model...

Hi Loren,

The car is a 2006 997S coup. My car has

the big red brake calipers. I would almost assume

that the 996 rotors are the same.

Thank you again for providing this information.

Paul

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Loren Member

Loren

Posted
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I believe the brakes on the 2S are the same as the (mk2) 996 GT3 - so that would be:

Brake disc thickness, new

front 34mm

rear 28 mm

Brake discs minimum thickness

front PCCB = 33.5 mm

steel = 32.0 mm

rear PCCB = 27.5 mm

steel = 26.0 mm

Thickness tolerance of the brake discs, max.

0.02 mm

Lateral runout of the brake disc, max.

0.03 mm

Lateral runout of the wheel hub, max.

0.03 mm

Lateral runout of the brake disc when installed, max.

0.06 mm

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  • 2 weeks later...
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Loren Member

Loren

Posted
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997S brakes are the same as 996TT (not GT3). I don't have specifics... As to squeal, it's a result of high performance and I've never found any sort of anti-squeal goo to do anything other than mess things up.
Not according to my parts list...

The 997 TT rotors are different numbers from the 997 2S and 4S.

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