RCU Forums - View Single Post - Brown crude on engine head, how do i clean it?
Old 01-08-2006 | 09:09 PM
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From: Calumet, MI
Default RE: Brown crude on engine head, how do i clean it?

Fill an old crock pot with Prestone antifreeze and let the engine "stew" awhile. It'll come out clean as a whistle. Peace.