Thread: Merc 4.5L 250HP
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Old 02-12-2017, 04:30 PM   #5
Dave R
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HP is HP, number of cylinders and displacement don't matter. I had a 21 footer with 220 HP; it was quite snappy and topped out well north of 50 MPH. Another 30HP with less weight would be sweet in a 21 footer.
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