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2005 FX4 5.4 Spark Plugs..??
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09-24-2005, 10:20 AM
silver-gt-vert
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Location: Pembroke Pines, FL
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Quote:
Originally Posted by
Ruckus
There is a fellow on here that has or had some magic spark plugs. He claimed 100 additional horsepower with them. I think he goes by 73Mach1. Good Luck!
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