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I don't disagree, this is why I am asking where they are getting the increase. My F150 is a 98 and is not COP anyway but even the 5 hp from the four tower version would be worth it. The dyno dosn't lie either, but I'd sure like some verification before I spend the money. I'm not really concerned with a miss, it's time for plugs and maybe wires so I figured now would be a good time to do coils too if there is something to be gained.
Only believe the dyno runs if they are done by a truely independent, not the company selling the product.....
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