Prussian blue - The Ford Barn

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Prussian blue

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01-09-2015, 02:52 PM

Chuck Sea/Tac

Senior Member

Join Date: May 2010

Location: Between Seattle & Tacoma

Posts: 2,411

Re: Prussian blue

Quote:

Originally Posted by colin1928

That's what it is made for
from back in the day when Babbitt bearings were hand scrapped
I like for checking valve seat contact

So if the mainline was bored, then you should have 100% contact, and Russian blues basically a waste of time?

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