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150 Rotor Thickness

150 Rotor Thickness

Anyone out there know the minimum thickness allowable when turning XK150 brake disk rotors? Mine are pretty pitted and need turning, but I don't want to waste the time and money if they're already gone! Thanks in advance, - Jon Jensen

Dont know what the Min Thickness ought to be, but I have a set thats never been turned if you end up needing new ones...Also have a set of calipers that probably need to be sleeved, but maybe not...... - Dave Drenzek

In CA, if there is no dimension stamped on the rotor, a shop will not turn it. The rotors on our early cars where not designed to be turned, notice they never warped, and you should just replace them. I have never found any factory numbers related to a minimum width, though others may have found that information. - George Badger

Same in South Carolina. Went through this on the saloons list in regards to the S-type. I know they're not the same rotor but we came to the same conclusion - don't turn, replace if necessary. Couldn't find any factory spec for minimum. - Dick White, '58 XK150 FHC

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