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60 hp Johnson 1985 2cyl - low top speed?
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<blockquote data-quote="C&amp;amp;K" data-source="post: 482279" data-attributes="member: 30707"><p>As others have said, you're not too far off with your setup. We have an Alumacraft Pro 17 that goes 32 mph with an old Chrysler Force 50 on it that's bored .020 over and has had the exhaust ports cleaned up, polished and relieved. But to get it over 30 I had to install a CMC PT jack plate so I can ventilate the prop and get it to 5,700 rpm. In the end, it wasn't worth it to gain 4 mph because we rarely run it at full throttle anyway.</p></blockquote><p></p>
[QUOTE="C&K, post: 482279, member: 30707"] As others have said, you're not too far off with your setup. We have an Alumacraft Pro 17 that goes 32 mph with an old Chrysler Force 50 on it that's bored .020 over and has had the exhaust ports cleaned up, polished and relieved. But to get it over 30 I had to install a CMC PT jack plate so I can ventilate the prop and get it to 5,700 rpm. In the end, it wasn't worth it to gain 4 mph because we rarely run it at full throttle anyway. [/QUOTE]
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60 hp Johnson 1985 2cyl - low top speed?
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