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    PM Research #5 - how do I bore the main crankshaft journals?

    Hi After 15 years break with kids I have pulled out an old half-built PM Research #5 kit and have been making good progress. I'm now at the point of needing to bore the main journals for the crankshaft. I can't work out how to bore a .313 hole on each bearing AND make sure that they are in...
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