[TR] Lightening a TR flywheel

[Jeff Scarbrough]

On Fri, Apr 10, 2020 at 10:43 PM Randy and Valerie DeRuiter <
deruiterville at hotmail.com> wrote:

> I had one lightened by Joe Alexander several years ago using Kastner race
> prep guidance.
>
>
Is there similar guidance for Spitfires?  My engine is apart, and at the
machine shop, so why not shave a pound or two?
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