SC3 Valve Cover flaking inside
09-11-11, 11:31 AM
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Join Date: Dec 2009
Location: FL
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09-11-11, 11:48 AM
Lexus Champion
Join Date: Jul 2007
Location: Leesburg FL
Posts: 2,776
Try oven cleaner then pressure wash them then apply it again and use a wire brush then power wash again.
09-11-11, 12:12 PM
Lexus Test Driver
Join Date: May 2008
Location: VA
Posts: 945
Looks like years of burnt hot oil caked on the inside. Have it hot tanked at a local machine shop if you have time.
09-11-11, 12:19 PM
Lexus Fanatic
Join Date: Jun 2006
Location: Earth
Posts: 9,238
Paint thinner should work too.
09-11-11, 01:59 PM
Lexus Champion
Join Date: Apr 2011
Location: CA
Posts: 3,118
Mine had the same thing when I fixed my leaky gasket, I used regular gasoline and it removed everything with a little bit of toothbrush scrubbing...
09-13-11, 09:05 PM
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Join Date: Dec 2009
Location: FL
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Thx for all the advice, will try cleaners and work my way to the tank if not.
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SC3 Valve Cover flaking inside
