Re: Spark Plugs
if you have a stock ignition and spark distribution just got with some motorcraft or autolite platnum plugs, thats factory, and none of those specialty plugs can improve anything on your ride, look on here and check out all the posts about them.
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99 extended cab, 4.0, auto, 33s, 4x4 lifted with some stuff done
98 2wd 2.5, 5 speed, dropped with some stuff done
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