A big note here to those of you who have posted to this string about using Emory cloth or whatever to polish out the Crank, please look at this info out of the Federal Mogal bearing catalog.
It pertains to nodular Cranks like Pontiac factory and aftermarket cast ones.
If you think you can just polish up one of these Cranks at home your very wrong!
Also it makes you wonder how a small shop that does not cut Cranks on site can even polish one up , and to top that off even a shop that can cut Cranks that takes one in by another shop needs to know how the Crank was spun when it was cut to then know how to spin it up to repolish it!!
Also here's some info on bearing failure modes.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!
1) 1940s 100% silver 4 cup tea server set.
Two dry rotted 14 x 10 Micky Thompson slicks.
1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.
Education is what your left with once you forget things!
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