[TR] Flywheel refacing
Michael Porter
mdporter at dfn.com
Tue Jun 27 05:21:40 MDT 2017
On 6/26/2017 10:07 AM, EDWARD WOODS wrote:
>
> List,
>
>
> Is flywheel refacing an automatic when replacing the clutch on a TR6?
> I have always examined the flywheel surface and then made that
> decision based on that examination. A friend says that should
> automatically be part of the clutch job.
>
>
I think the first consideration should be condition of the flywheel, and
that's best determined by measuring total indicated runout at several
radii before disassembly. A flywheel that's running true, but has a
burnished surface, probably requires no reconditioning. A flywheel with
even a few waves or ripples of just a few thousandths in it is probably
going to make clutch engagement a bit more problematic and may increase
the clutch disc wear rate.
The second consideration is balance. If the crank and flywheel are to
be balanced together, resurfacing is a prerequisite. If it's not done
beforehand, any future resurfacing will upset the balance, and if it is
done first, resurfacing will usually restore the assembly to proper balance.
Cheers.
--
Michael Porter
Roswell, NM
Never let anyone drive you crazy when you know it's within walking distance....
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