Thread: For those of you who like to use aftermarket oil additives...
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BE911SC BE911SC is offline
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Join Date: Aug 2009
Location: PNW
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STP Oil Treatment hides worn valve guides in old Chevy engines. Ask me how I know! Stops the blue smoke and makes the exhaust invisible. Used car salesman's best friend back in the day.
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'84 Carrera Cabriolet
Old 02-27-2016, 07:53 PM
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