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Old 08-21-2020, 10:06 AM   #12
5851a
Senior Member
 
Join Date: Oct 2014
Location: NE Iowa
Posts: 863
Default Re: Removing oxidation from NOS radiator core

An old boss of mine took his radiator out of the tractor and decided to flush it with muriatic acid once. Filled it up and left overnight, next morning had a clean leaky radiator and a hole in the concrete that was under it.
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