<snip> >Scratches on the crank bearing journals, instant bearing death unless the crank is machined. One >old timers trick was to take a old copper penny and drag it across the journal and if it left copper >the crank was N/G. Now the challenge is to find a old soft copper penny. There is a machine >shop in Portland, West Bearing, that does mucho diesel work, big & little stuff, and they have >good crank grinders and the staff that knows how to lean on the machine to make a good grind. >A question you can ask is do they polish the crank in the proper direction? This will tell you if >they really have their s--t together.
I thought that MB diesel cranks were nitrited or chromed or something....? Rick Knoble 1985 300 CD
