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  1. 03-08-2007, 21:23 #1
    Coops
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    Valve Differences

    what do 1.8 valves look like? are any of them dished?

    basically whats the difference in appearance between the willy and 1.8 inlets, exhausts are the same right?

    cheers

    Coops
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  2. 05-08-2007, 21:48 #2
    Mik_Clio_HYbrid
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    the williams has bigger inlet valves , outlet are the same

    i am not sure but i remember that it was 3mm in diameter more
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  3. 06-08-2007, 09:53 #3
    stan
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    williams diameter is 32.1mm, 1.8 30.7mm. Williams are dished through most of the head profile, 1.8 have a small dish in the centre.
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  4. 06-08-2007, 17:46 #4
    Coops
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    Quote Originally Posted by stan
    williams diameter is 32.1mm, 1.8 30.7mm. Williams are dished through most of the head profile, 1.8 have a small dish in the centre.
    cheers craig mate
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