Sure is quiet in here....do I need to start a fight?

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Right side lower transfer unshrouded and case matched

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Left side lower transfer unshrouded and case matched

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Intake

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Exhaust

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Exhaust

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Intake
 
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Got back from sea trial.....ran great but stihl hitting the rev limiter....limited to 5250 rpm....max WOT 4800......4600 be better...4400 min.......need more bite!!! Another two inches pitch I fear......Mercruiser says one inch pitch equals 200 rpm + or -......36.7 MPH by GPS/plotter.....
 

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