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6.4 filter

  1. 6.4 Motor Problems
    Truck has 100k miles on it, and was running fine when parked last evening. This morning on start up, had a very rough idle which smoothed out a bit. However, when the accelerator is pressed it runs rough again, and eventually will only muster about 1500 RPMs and produces some whitish-blue...
  2. The Swap Meet
    this past spring i installed a stage 2 intake on my 08 6.4 and i still have the factory intake and filter. the filter was brand new when i bought the truck and was only on there for probably a month. the filter itself retails for around $100 and is a motorcraft brand filter, the good stuff...