RCU Forums - View Single Post - How do I remove dried castor oil from an engine?
Old 04-09-2015 | 07:34 AM
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Cyberwolf
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From: Blackfoot , ID
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The only way that the Crockpot Antifreeze cleaning method will turn an engine dark is from over heating things.Low to Med heat is all that's required to get an engine clean and looking new again.