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    Water pump, correct hose install?

    I have a 2000 Mercruiser 5.7litre MPI MAG 300HP.<br />I replaced the impeller today & i'm sure I have the hoses on the waterpump attached correctly but I would just like to be sure. <br />There is one soft rubber hose & one much harder. The softer hose is attached to the top most connection on...
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    Lost 10 MPH of top end speed

    I have a 2000 Mercruiser 5.7 litre MPI 300 HP sitting in a Malibu 20.5 Sport Cuddy. The leg is the Bravo 3 with 26 pitch stainless steel props.<br />The engine has 240 hours into it.<br /><br />I've owner the boat since new & have maintained it very well.<br />Top speed was bragged to be 65 MPH...
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