Ford Mustang Forum - View Single Post - best SPARKPLUGS for performance
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post #1 of (permalink) Old 06-07-2010 Thread Starter
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Joined: Apr 2009
Location: Laredo
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best SPARKPLUGS for performance

or guys well my car is in need of to change the sparkplugs of now im using motocraft.they work great..but now i want some that will give me the best performance..which performance sparkplugs will work great with my car and give it good performance..
im aware that bigger plugs are also better right now i have 8mm.wat would be a good upgrade??
thank everyone

98 Camaro LS1 H/C/I
07 Mustang 4.0
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