All mods have repurcussions. Each person needs to weigh risk vs. gain on what they want out of their vehicle. Ford knows there is a problem with spark plugs being blown out on these trucks. Its happened to hundreds of trucks, modified and non modified, on every Lightning board/club out there. Do some research and you'll see how many its happening to. Its obviously a problem and its not just happening to trucks that are modified. Yes there are ways to prevent it - but that doesn't make it any less of a problem or flawed design by Ford.
Since you seem to know so much, why don't you share your source of infinite wisdom about the Ligthning with us?
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Current Rides: 2001 BMW 540i, 2002 BMW 330i (wife's car)
Previous Rides: 2001 Saleen Mustang SC Speedster Convt, 95 Mustang GT w/ Built 331/Vortech S Trim - 550rwhp, 93 Mustang LX Procharged 400rwhp, 99 SVT Lightning 475RWHP