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Thread: Valve seats

  1. #1

    Default Valve seats

    Has anyone replaced the valve seats on a Sport Scout? If so, where did you find the parts?

    Thanks

  2. #2

  3. #3
    Join Date
    Aug 2006
    Location
    So Cal
    Posts
    898

    Default

    can you clean the seats up ? there is very little room on a Sport Scout, that intake
    is mighty close to the bore?

  4. #4

    Default

    I tried that. Lapped them twice. When I pressure test the intake, bubbles come out around the valves. Big problem is the engine was built with 45 degree valves. Stuck with them as the seats are like you said. I took them to the man that helped and he said they put gas in the ports and if thy didn't leak, he built the motor. With gas, they don't leak. Put the cylinders on and the intake doesn't leak. Wil lfinish next week.
    Thanks
    John W Weiss

  5. #5
    Join Date
    Aug 2006
    Location
    So Cal
    Posts
    898

    Default

    that sounds good I think, good luck. If still have problems, you could try a valve seat cutter too - but I think you will be good to go

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