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  1. D

    How to improve hp and torque?

    I dont drive it hard or very often. Its mainly just for pulling my boat. It might see 3-5k miles a year. Just want a little help pulling up hills mostly.
  2. D

    How to improve hp and torque?

    3.55 gears in it. Ive been looking at the jet tuners. Anyone use them before?
  3. D

    How to improve hp and torque?

    I dont know what gears are in it. I guess whatever is stock.
  4. D

    How to improve hp and torque?

    Thank u all for the info! Think i will stay away from cai. Im gonna look into exhaust and tuner. Any recommendations? I heard dual exhaust will lower torque? Is that true?
  5. D

    How to improve hp and torque?

    Towing is my main concern. I will be towing right around 5000lbs.
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    How to improve hp and torque?

    Body has 190,000. Supposedly the motor has about 100,000 on it. I just bought it so i havent serviced it yet. After reading about the 4.6 motors i wish i would of found a 5.4. But it is what it is now. I keep seeing mixed reviews about CAI. alot of people say they dont anything then a few say...
  7. D

    How to improve hp and torque?

    So i just bought my first expedition. I have always drove explorers. I bought a bigger boat and my explorer was screaming pulling it so i bought a 1998 4.6l expedition. Want to know the first steps to increasing hp and torque. Do c.a.i. really work? Or are they just for sound. Never really did...
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