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K25 piston woes

Had a knocking engine sounded low.Pulled pan all looked ok.Pulled head #4 piston scufed bad on thrust side.#1 and oil ring moves in grove #2 dont.Looks like lack of oil but the rest are fine.Anyone seen this on such a great engine.We have hundreds running and this is the first time ive seen this.7500 hrs est
  • Posted 21 Jan 2010 23:12
  • By proshadetree
  • joined 23 Feb'06 - 484 messages
  • Tennessee, United States
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In March 2002, identical twins in Finland died on the same day in similar accidents within hours of each other. A 70-year-old man was killed by a truck while cycling; hours later, his twin brother was killed by a truck on the same road, about a mile away, before the family had been informed of the first accident.