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oil pressure relief valve

  1. KT317 oil pressure relief valve removal?

    Hydrostatic Drive Tractors
    One of the reasons I decided to tear into this engine was because in addition to blowing a lot of smoke and using lots of oil, when I put some STP and some 40 weight in, the crankcase pressures built up so high it blew the oil filler cap right off the top and sprayed engine oil all over the...
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