Advice on oversized exhaust valves?

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  • varia
    S2Forum Maniac
    • Mar 2009
    • 821
    • Current: United States

    #16
    Originally posted by Error404
    ......Time consuming job with a boring head like that!

    thats why its called a boring job
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    • twenty valve
      S2Forum Maniac
      • Oct 2010
      • 630
      • Country: United Kingdom

      #17
      Originally posted by varia


      thats why its called a boring job


      Error404, I didn't actually need to clock each bore in the end. When I set it up, I clocked a mandrel in the 2 end valve guide bores (it's more accurate to work from these). Then went along and checked a few in the middle, and they were all within a thou. It's not even that critical either, if the seat is pissed a couple of thou or not concentric to the guide, it will be irrelevant after the seats are cut. Having said that, I still clocked it within a thou. I like to think I'm a perfectionist but I'm probably just an@l

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