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    Gear ratio change/unknown oem prop

    thanks for the reply. the boat came with a 19p prop. i dont think its the factory prop since most prop finder tools say to use a 15p prop for this boat type,weight,power, ratio combo i honestly only want a prop thatll let me cruise around and get good fuel economy. boat will be used for...
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    Gear ratio change/unknown oem prop

    Hey. So boat is a 79 Wellcraft Sunhatch 189. Has a Mericruiser 898 (5.0l v8). having a hard time finidng info and parts for this boat. Sterndrive was seized and i managed to find another older drive replacement from a much newer 90s Mercury 190 (3.7l inline 4) with an alpha drive. From what...
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