Quote:
Originally Posted by russcc
Thank you all. Learned a lot. Good points about expansion of the parts due to heat, measuring the mains and rods and grinding the crank to deliver the clearance you want, and oil viscosity vs clearance. The machine shop ended up getting a clearance of 0.002.5, on the mains, which I believe both myself and the engine will be happy with.
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Your .002-50 should be correct at that clearance. With oil, you will never hurt those bearings, at break in.
Herm.