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Thread: Valve noise on start-up!

  1. #111
    Senior Member klroger's Avatar
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    Quote Originally Posted by CROSSBOLT View Post
    Listened intently to our Mirage start up this morning. Upon firing there are three distict "knocks" that sound more like detonation than anything. More like a diesel on starting. Then smooth idle of a Yanmar diesel with a little valve noise.
    As long as they don't sound like a 353 Detroit diesel, you're good, but I'd listen to a 2 stroker Detroit at Full Throttle all day & never complain


    I didn't know what to do, so I didn't do anything

        __________________________________________

        click to view fuel log View my fuel log 2018 Mirage GT 1.2 automatic: 38.4 mpg (US) ... 16.3 km/L ... 6.1 L/100 km ... 46.2 mpg (Imp)


  2. #112
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    Quote Originally Posted by klroger View Post
    As long as they don't sound like a 353 Detroit diesel, you're good, but I'd listen to a 2 stroker Detroit at Full Throttle all day & never complain
    Detroit 2 smoke most efficient converting #2 diesel to noise! Drove trucks with V6-71's andvwere the most gutless, aggravating, noisy engines regardless of transmission. Take a 4 stroke Cummins any day...


    Karl

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