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Old 01-17-2019, 07:23 PM   #15
Jack E/NJ
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Join Date: May 2010
Posts: 2,173
Default Re: Dark brown gravy for oil

Yeah. GM used to add an old bar stopleak tablet or two to each one of their brandy new vehicle coolant systems as a preventative measure. And looked what happened to GM. 8^) Jack E/NJ
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