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2003 mach 1

  1. Advice on simple power upgrades to a 4.6L DOHC from a 2003 Mach 1?

    Ford Modular Engine Roadster Builds
    Guys, I'm new to the form and to the 4.6L's. I just got a 2003 Mach 1 salvage with 18,000 miles on it for my donor. I dont really want to tear into the engine because of the low mileage (also because I'm not terribly familiar with them). Does anyone have any good advice as to what I can do to...
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