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#2: 01-21-2013, 10:50 AM
monkeyposeur's Avatar
Title: Flying W00t Monkey
Location: Salt Lake City, Utah
Car: 93 SS, 03 WRX 205/22T
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I think it is just left over from the coolant and the oil/exhaust gases mixing. I saw some orangish stuff like that when I replaced my head gaskets. I don't know if it was as bad as yours since my engine is closed deck and you can't see around the sleeves like on yours.

I just flushed the passages out. I wouldn't worry too much about it but I'm not sure what the best thing for you to do would be.
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