Thread: oil sludge
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Old August 18th, 2007, 23:34
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bj-666 bj-666 is offline
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oil sludge

helping my gf's father with his mack (adjusting valves) noticed a lot of sludge wondering what everyone thinks is the best (least harmfull) way of removing oil sludge from the engine internals. atf, engine flush, marvel?
thanks
brandon
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