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    8.1 Volvo Alternator??

    The volt meter on our 8.1GI would not go over 13V, and the boat ran bad (3600RPM max). I changed the plugs and now the boat runs great and the alternator is charging 14V. Actually 14.4 on DVM. Why would bad plugs decrease the volts when the RPM is the same. 2000 RPM should be the same volts...
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    8.1 GI low rpm

    2004 four winns 8.1 volvo with 90 hours. We had a problem with the starter and a mechanic replaced it. We took the boat out and it fired up great took a little bit to get up to 150 degrees but never did get to 175. Not the highest rpm is 3600 and takeoff seems slower than before. Max speed...
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