My doomed 408 build

PRH said

I’ve been using WD40 to keep freshly machined blocks and heads from flash rusting since 1989....... I have plenty of real world experience with it.

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I would really like this WD-40 discussion to be on its own thread so it can be clear to everyone. Honestly you've had a freshly machine Block in the open-air with one coat of WD-40 on it since 1989?