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Can anyone tell me what the minimum allowed rotor thickness is?

WARDHOG
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WARDHOG Member

WARDHOG

Posted
Posted

I just read the GT3 post about rotor thickness and that got me wondering the same for my 03 C4S. So, what are the specs?

TIA! :clapping:

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Loren Member

Loren

Posted
  • Admin
Posted

For the C4S...

Brake disc thickness, new

front 34mm

rear 28 mm

Minimum brake disc thickness (after machining)

front 32.6 mm

rear 26.6 mm

Brake disc wear limit

front 32.0 mm

rear 26.0 mm

Peak-to-valley surface roughness of the brake disc after machining, max. - 0.006 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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