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  1. O

    Motor Purr - Tune Up

    89 K1500 350 140k Miles Use 5-30 Synthetic Blend Valve stem seals are leaking, smokes like crazy for a block or so. Haven't driven much last few years but uses very little oil. Nephew owns a shop for many years, says to use Motor Purr, "great stuff". Directions says idle for 20 minutes, MP...
  2. O

    Violent Hesitation

    89 K1500 350 140k Miles Drive 6 miles to neighboring town, leaving town for home push the gas a bit to speed up and it was just like you turn the key off an on quick like. I wanna say a bang but... I don't know, it's gettin gas. While back I let it get to operating temp and did the same in...
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