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Old 07-21-2014, 01:51 PM
J-Mech J-Mech is offline
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Join Date: Apr 2013
Location: Oblong, Illinois
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Quote:
Originally Posted by FrankF3 View Post
I had an old-timer tell me he had a trick to clean the aluminum off of the crank journals. He would go to the hardware store for some muratic acid that is used for masonry jobs. Dip the crank journal in it and let the aluminum dissolve. A slight polishing was usually the only thing that was needed to clean up the journal afterwards
Yeah, you can do that. But if the rod seized, then there's an issue. I've built a lot of engines, never seen a crank journal that had galded aluminum on it that didn't need ground. No reason to remove the aluminum if it's going to a regrinder. The crank grinder will take it right off.
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