CorkSport.com is MAZDA PERFORMANCE!
CorkSport.com is MAZDA PERFORMANCE!

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    If anything there will be a slight tick on that...

    If anything there will be a slight tick on that valve, they seldom close all the way if there is a seat issue, that creates excess clearance and noise.

    The one time I've seen a broken valve in...
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    Valves have been known to fail from time to time....

    Valves have been known to fail from time to time. Not very often, but it happens.

    If you verify low compression, then you can often get in the cylinder with a borescope and confirm that the valve...
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