Went to Maple Grove today for some tuning. Made a few passes with Autolite plugs then switched to AC Rapidfires to see if there is a difference between a .99 cent plug and a $3.99 plug. No difference. Timeslip was .005 slower with AC's in same setup. So I will go back to the Autolite plug (plug #85) and save a few dollars to put somewhere else.
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2007 Norwalk Quick 16 Winner 8.960 @152.24 8.96 dial
http://www.youtube.com/watch?v=8HY_nJR9Aa0&NR=1
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