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87mm

  1. Which headgasket to use?

    Maintenance
    After messing about for 6 months I'm about to tear my engine down and finally find out what has been done to it in Japan if anything. big turbos, cams, injectors, upgraded gearbox and carbonetic clutch etc. do point in a decent direction though :) If I have a standard bottom end (86mm) what is...
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