Rust on machined surfaces

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Rust on machined surfaces

Post  JBR-3 on August 28th 2016, 2:17 pm

My projects move ahead VERY slowly. Now, I find I have some rust on once-freshly machined parts, my own damn fault.

I would like your opinions on whether or not I could use walnut shell blasting on "fresh" crank journals and on
"fresh" crosshatched cylinder walls. Also on the block deck surface.

Thanks much.

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Re: Rust on machined surfaces

Post  bosshoss on August 28th 2016, 2:24 pm

if it doesn't clean up with wd40 and crocus cloth I would be worried.
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Re: Rust on machined surfaces

Post  maverick on August 28th 2016, 7:20 pm

Polish the crank. Run a fine hone in the bores.
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