The bores have a quite defined wear ridge. That would worry me when putting new rings in in case they hit the ridge and get damaged. Unless you can get stepped rings.
I see what Ash was saying now though about these being a throw away item. They can't really be bored or have a crank regrind.
No it's definitely a scrapper. I'll keep looking.
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Total cost so far
Materials £3,150
Tools £855
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