
08-17-2007, 01:06 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
Thats EXACTLY what I do! In my Jeep as well, I've used the stuff for years but wasn't exactly sure why until these recent studies concerning zinc. By golly there really WAS something to STP! 
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