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Old 01-08-2021, 09:42 PM   #12
eagle
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Join Date: Aug 2011
Location: Eagle Bend, MN
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Default Re: Lite rust inside block

If there is just a bit of rust on the surface of the water jacket etc it isn't time for panic. Go to your local auto parts store, get a radiator flush kit and use it as directed. Then use a good quality anti-freeze with built in rust inhibitor. If the system is plugged up, that's a different story.
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