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Front brake discs

Posted: Thu 19th Jul 2018 10:26 am
by Tomtecno
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

Re: Front brake discs

Posted: Thu 19th Jul 2018 8:09 pm
by Keith Halstead
0.375 inch or 9.525 mm.

Re: Front brake discs

Posted: Tue 24th Jul 2018 11:42 am
by Tomtecno
Thanks Keith.

Re: Front brake discs

Posted: Sun 29th Jul 2018 1:16 pm
by tommy
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.