Autolite's Don Ward Explains Spark Plug Options Available

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Published 29 Jul 2008
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Don Ward, Autolite Motorsports Engineer, explains the difference between a copper plug and an iridium enhan...
Don Ward, Autolite Motorsports Engineer, explains the difference between a copper plug and an iridium enhanced platinum plug. For more info, go to www.autolite.com
Categories: Sports, How To
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