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  1. Detonation

    General Nissan Skyline Chat
    Bad news today. Took the head off and this is what greeted us: Piston No.1 seems to have escaped any damage but it gets progressively worse from No.2-No.6 as you can see. Plug No.6 is also in a very poor state with the ceramic insulation disintegrated which has caused marking on the head and...