Cheers, Bakers.
I've had it back up and strumming for a week with no remissions.
Noticed with the Roto strings that there's very little if any 'creaks' when you use the whammy.
Despite measuring, the pickup placement good have been slightly better.
I'll leave tweaking that until I really need a new scratch plate.

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That brings all my guitar mods to a close.

cheers, Mark.