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  1. 9

    Rebuild my '91 4.0?

    The octane thing seemed to help my 92' Ranger 2.3L. Whenever I used anything less than 93 it would rattle. It would even rattle sometimes using 93, depending on weather conditions. Unfortunately I don't have my service manual handy, so you might consult a ford technician about where to check the...
  2. 9

    Rebuild my '91 4.0?

    For a quick cheap response. What octane gasoline are you running? If running 87 or 89, try the super premium grade, this could resolve the clicking. Another thought, when was your last oil change? The valve train is the last part of the engine to get the oil feed from the pump, if the oil gets...
  3. 9

    High milage explorers?

    1991 XLT 4x4 4.0L AT 80k Miles and some change. Overhauled Transmission, Replaced Wheel Bearings, Anti Rattle Clips installed, Two U-Joints, Thermostat, Main A/C Line, A/C Compressor will be replaced to eliminate noise at the beginning of summer, Rear-end will be overhauled soon, Replaced...
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