Ford puts their platinum plugs in which are supposed to last 100k miles. Most people recommend changing at about 50k. I am not very mechanically inclined, and just dove right in. the first time I changed the plugs it took about an hour and half because I went really slow. The next time I changed them it took me maybe 20 minutes. The plugs are incredibly easy to change.
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-Aaron
"Lita"
97 Mustang GT Vert
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k&n, air silencer removed, Magnapack cat-back, BBK o/r h-pipe, Ford red front calipers
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