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mistake

  1. webbie

    Valve lapping gone wrong (I think)

    I'm about halfway through my top-end rebuild, and I decided to lap my valves while they were out. I'm regretting that decision now. They weren't too bad, but there was a small amount of visible pitting and roughness. Now, I've got these grooved rings around the valve and seat, which is - if I...
    • webbie
    • Thread
    • lapping mistake valves
    • Replies: 14
    • Forum: The Garage
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