Pretty cool article, with some badass pics. I won't post the whole thing, but this is kinda mindblowing:
The tool list to perform a clutch replacement includes a slab of granite. The F1 uses a multi-disc clutch and a small-diameter flywheel with a replaceable friction surface. To eliminate clutch chatter, the new friction surface must be adjusted to less than five hundredths of a millimeter (0.002 in.) of runout. Measuring this requires a dial indicator and a dead-flat surface on which to spin the flywheel. Hines' chunk of granite comes with a certificate, verifying its flatness down to 0.00004 inches.
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