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'97 big 25 HP carb and intake
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<blockquote data-quote="DaleH" data-source="post: 417545" data-attributes="member: 15636"><p>I once read a detailed boat test by noted marine author Bob Stearns where he put a 75, 90 and then 115hp OB motor on the SAME boat and took the time to rig each at the BEST height & with correct prop.</p><p></p><p>The 115 was fastest, of course, but by 5mph. At cruise, the 90 was only 1-2 slower but had a batter fuel economy. Hull design is typicslly the limiting factor in 'how well' given horspepower will push something ...</p></blockquote><p></p>
[QUOTE="DaleH, post: 417545, member: 15636"] I once read a detailed boat test by noted marine author Bob Stearns where he put a 75, 90 and then 115hp OB motor on the SAME boat and took the time to rig each at the BEST height & with correct prop. The 115 was fastest, of course, but by 5mph. At cruise, the 90 was only 1-2 slower but had a batter fuel economy. Hull design is typicslly the limiting factor in 'how well' given horspepower will push something ... [/QUOTE]
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'97 big 25 HP carb and intake
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