On a small journal 1275 Cooper S Crank, what is the most you can have machined off the crank with available bearings? Being both bearing dimensions.

ive run them down to .080" under previously (& for years n years n years)
but i think you`d be lucky to find 80-unders these days
possibly .060" would be the smallest bearing available now days i`d say
Matt

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.

Thanks Matt