Platinum plugs are for cars that need to go along time between tune-ups. A becuase the owners are lazy or B, because the plugs are a pain in the balls to get to. In any case, you can't beat a good old fashioned copper plug for performance and price. Save your beans for mods...
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87 GT
Full exhaust, K&N, KB Subs, BBK STB, homeade dumps...
87 Taurus
New York
Winters Bite!