when to replace rotors
10-24-2014, 11:45 PM
#21
Do you have a micrometer?
Front
Brake Disc Thickness:
Standard 24.9-25.1 mm (0.98-0.99 in.)
Max. Refinishing Limit 23.0 mm (0.91 in.)
Brake Disc parallelism 0.015 mm (0.0006 in.) max
Rear
Brake Disc Thickness:
Standard 11.9-12.1 mm (0.469-0.476 in.)
Max. Refinishing Limit 10mm (0.39) in.)
Brake Disc Parallelism 0.015 mm (0.0006 in.)
so less than 23mm 0.91 in. on the front is trash
and less than 10mm 0.39 in. on the rear is trash
Front
Brake Disc Thickness:
Standard 24.9-25.1 mm (0.98-0.99 in.)
Max. Refinishing Limit 23.0 mm (0.91 in.)
Brake Disc parallelism 0.015 mm (0.0006 in.) max
Rear
Brake Disc Thickness:
Standard 11.9-12.1 mm (0.469-0.476 in.)
Max. Refinishing Limit 10mm (0.39) in.)
Brake Disc Parallelism 0.015 mm (0.0006 in.)
so less than 23mm 0.91 in. on the front is trash
and less than 10mm 0.39 in. on the rear is trash
10-25-2014, 05:22 AM
#23
Registered User
At 95k miles my fronts were down to 23.5mm (not sure what the rears were at). I had developed a rotor "wobble" under braking, plus the rotor hats had gotten rusty, so I decided it was time to upgrade to Stoptech slotted sport rotors. So far a great upgrade for me.
10-26-2014, 05:15 PM
#24
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Join Date: Jul 2014
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thank you...helpful information.
Do you have a micrometer?
Front
Brake Disc Thickness:
Standard 24.9-25.1 mm (0.98-0.99 in.)
Max. Refinishing Limit 23.0 mm (0.91 in.)
Brake Disc parallelism 0.015 mm (0.0006 in.) max
Rear
Brake Disc Thickness:
Standard 11.9-12.1 mm (0.469-0.476 in.)
Max. Refinishing Limit 10mm (0.39) in.)
Brake Disc Parallelism 0.015 mm (0.0006 in.)
so less than 23mm 0.91 in. on the front is trash
and less than 10mm 0.39 in. on the rear is trash
Front
Brake Disc Thickness:
Standard 24.9-25.1 mm (0.98-0.99 in.)
Max. Refinishing Limit 23.0 mm (0.91 in.)
Brake Disc parallelism 0.015 mm (0.0006 in.) max
Rear
Brake Disc Thickness:
Standard 11.9-12.1 mm (0.469-0.476 in.)
Max. Refinishing Limit 10mm (0.39) in.)
Brake Disc Parallelism 0.015 mm (0.0006 in.)
so less than 23mm 0.91 in. on the front is trash
and less than 10mm 0.39 in. on the rear is trash
10-26-2014, 07:47 PM
#25
What is the latest skinny on carbon-ceramic discs, for track use? Much better than OEM? Heat range? Wear?
Danke!
http://www.brembo.com/en/car/origina...c%20discs.aspx
Danke!
http://www.brembo.com/en/car/origina...c%20discs.aspx
10-27-2014, 06:26 AM
#26
Registered User
What is the latest skinny on carbon-ceramic discs, for track use? Much better than OEM? Heat range? Wear?
Danke!
http://www.brembo.co...ic%20discs.aspx
Danke!
http://www.brembo.co...ic%20discs.aspx
10-27-2014, 12:18 PM
#27
The only benefit carbon ceramic rotors have over conventional iron rotors is heat tolerance, which is a non issue provided the rotors have proper ventilation. They're not lighter, nor do they give better braking performance than adequately vented iron rotors.
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