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  1. R

    New lifter tapping

    The following items were replaced with new parts: CAM Shaft & Bearings Oil Pump pistons & rings Rod Bearings Main Bearings Lifter Timing kit I did not replace the push rod or the rocker arms. They appeared to be in good condition,all though I am having my doubts.
  2. R

    New lifter tapping

    I just finished rebuilding my 93 4.0L engine. The only problem is one of the the new lifters has a tapping noise which last for about a minute after the engine is started. If I turn the engine off, wait a few seconds and re-start it again, the tapping starts again and disappears after short...
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