<<Well, this is a start. I think I've figured out what the Clymer pub means.
It's saying we can't take more than .060" off of the rotor when we turn it.
The big missing piece of data is the original thickness. If we had that,
we could determine if there's room to turn it or not.
So, does anyone know the original thickness of a Spitfire Mk 2 brake
Rotor?
Martin Libhart wrote:
The only data I could find came from an old Clymer Publication. I'll
quote as written in the manual: "the maximum run-out permissible on the
disc is .004". Under no circumstances should more than .060" be removed,
with the finish to be 32 micro ins. maximum measured circumferentially
and 50 micro ins. measured radially.">>
Yep,
I have a pair of front rotors on my driver that has the appropriate markings.
The minimum thickness is .325. Oddly enough, out of 3 pairs of rotors I have
on hand, only this pair has such markings.
Hope that help,
Charlie B.
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