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Posts: 1516
| The boats are about the same size boats and both have 4 stroke motors how much more speed could I expect out of the 115 HP motor? |
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Posts: 1209
| 3-4 mph. Weight is farther back on the tiller allowing it better speeds than a console 90 of the same boat itself |
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Posts: 410
Location: With my son on the water | I was told a good rule is 1 mph per every 5 hp or in your case 5 mph. |
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Posts: 633
Location: Madison, WI | That's about right. I had a 90 hp on a Tuffy 1700 and it ran 33-35 mph. My next boat was a Tuffy 1760 with a 115 and that ran 37-40mph. Those were both single console though. |
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Posts: 983
| yes Im thinking you will pick up about 4-6 MPH are they the same year motors? what are the brands as well.. From my research the mercury will out perfrom most motors most of the time |
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Going from 90HP tiller to 115 console