Pennzoil High Mileage question.

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3,593
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Outside smalltown, IL
Can someone tell me the difference between Pennzoil High Mileage and their conventional oils? Their website is no help to me. Other than seeing the vicosity is near the high end in a given weight, it's all pretty much just marketing material. Swells seals, reduces consumption, bla, bla... [ September 23, 2003, 05:05 PM: Message edited by: jsharp ]
 
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