Brake rotors

Technical and Repair Discussions

Ready to Write a Book
Ready to Write a Book
Posts: 57
Joined: Wed Oct 07, 2015 8:44 am
PostPosted: Thu May 12, 2022 7:19 pm
With minimum rotor thickness going to 12.2mm from 13.25mm, is there any reasonable basis for a future reversion to 13.25mm?

Forum Hermit
Forum Hermit
Posts: 122
Joined: Thu Dec 01, 2011 4:45 pm
Location: Oregon
Chassis:
404
PostPosted: Fri May 13, 2022 1:43 pm
SCCA _e sent a letter explaining the delay of Wilwood rotors. Enterprises is allowing the older solid rotor. Also the minimum rotor thickness od the vented Wilwood rotor has been reduced down to .481 from .522. I can not finds the letter again..... So it is important to understand and the length of these changes.
Call your CSR ( I may be wrong... it can happen LOL)
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Needs a Life!!!
Needs a Life!!!
Posts: 277
Joined: Wed Nov 30, 2011 2:50 pm
Location: Augusta, GA
Chassis:
494
PostPosted: Fri May 13, 2022 3:30 pm
Jisu Kim wrote:With minimum rotor thickness going to 12.2mm from 13.25mm, is there any reasonable basis for a future reversion to 13.25mm?


I would say "no." Of course I don't know what the original basis for 13.25 was.
Kurt Breitinger
SEDIV #28
Chassis 494

Ready to Write a Book
Ready to Write a Book
Posts: 57
Joined: Wed Oct 07, 2015 8:44 am
PostPosted: Sat May 14, 2022 9:43 pm
Being a cheap guy generally, this is a fairly big deal on an expensive consumable.
New rotors are about 15.7mm, 13.25 minimum means 2.45mm usable life. A minimum of 12.2mm means 3.50mm usable life which is 40% more assuming linear wear.

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