Ford Focus Forum banner


  1. E3 Spark Plugs

    Duratec Tuning
    I saw some new, or at least new to me, spark plugs on Powerblock the other day called E3 spark plugs. They claim to improve fuel mileage and power. From the reviews I read on them, most people say the fuel mileage thing is basically insignificant, and that they notice a little more power...
  2. Only 17 MPG on my '02 Zetec ?!?!?!?

    MK I Tech
    Hey everyone, I have a 2002 SE sedan with the 2.0 Zetec. It has roughly 80,000 miles on it and a decent list of mods. I have a full cold air intake with a K&N filter, NGK Iridium Plugs, APC 9.3 mm wires, OBX race headers, OBX Hi-Flow cat with modded 02 sensor, and full Cat-Back Exhaust. I just...