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noisy cam chains

  1. T

    Noisy 4.0L engine.

    I have a 2001 Sport Trac with 187,000 miles. The engine has a clatter sound when idling that seems to be coming from the front of the engine. When accelerating the noise becomes louder. At 30 mph the noise sounds more like valve pinging. It stops when I let off the gas. I've changed the intake...
  2. J

    2001 SOHC swap to 5.0L.

    I am reading over the proceedure for cam chain tensioners and realizing this is a big job. I was wondering if anyone has swapped this motor for a 5.0? I am considering this as my wife's has the 5.0 and is a much better motor. How hard is this swap? I will get a donor vehicle to do it so I will...
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