Valvoline Offers 300,000 Mile Guarantee
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Join Date: Sep 2000
Location: Southern California
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I'm glad I read this in the link and it wasn't me just being a skeptic!
Originally Posted by Tom Glenn of market research and consulting firm Petroleum Trends International, Metuchen, N.J.
“Some statistician took a long hard look at this and said, ‘we’ll make a lot more money on more frequent oil changes and the use of higher margin motor oils than we’ll lose on engine warranties,’”