Front brake discs

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Front brake discs

Postby Tomtecno » Thu Jul 19, 2018 10:26 am

Does anyone know what the minimum thickness should be for Mk1 front discs?
I can find info on max runout but nothing for thicknesses.
Thanks
Tom
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Re: Front brake discs

Postby Keith Halstead » Thu Jul 19, 2018 8:09 pm

0.375 inch or 9.525 mm.
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Re: Front brake discs

Postby Tomtecno » Tue Jul 24, 2018 11:42 am

Thanks Keith.
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Re: Front brake discs

Postby tommy » Sun Jul 29, 2018 1:16 pm

Would depend if it's got P14 or P16 brakes. P16 disc thicker. My 1960s copy of the Girling brake service manual, which covers the lotus cortina, quotes that the maximum that can be machined off the disc thickness is 1.2mm (50 thou), half of which has to be removed evenly from both sides of the disc.
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