vibration

We moved our recently purchased “SV- Genesis” C380 hull #143 to our home port this week. The boat ran fine for about 4 hours trip at the recommended 2,500 rpm. However, as we approached port a strong vibration developed. Lowering the engine speed to around 1,500 rpm stopped the vibration. I looked at the engine mounts and all look tight and normal. Any suggestions?

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Installing A/C in a 380

I just finished installing A/C in my friend’s 380 (I already have it) and this is what I did: Webasto¬ 16k unit is mounted under the settee just fwd¬ of the galley sink. This is about the only place a 12k or higher unit will fit. I used the existing thru-hull for the icebox pumpout¬ as the intake, teed off the line just above the thru-hull and prior to the anti-siphon U mounted up behind the stove. The line off the tee goes under the galley floor transversely toward the bilge that is hidden under the screwed-down galley flooring. It then follows the bilge pump line fwd into the smaller accessible bilge adjacent to the settee. In that space I installed the water strainer so that if it ever needs to be opened/cleaned the water just spills into the bilge. After the strainer it goes up through the liner floor

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