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Message: <blockquote data-quote="Johny25" data-source="post: 262851" data-attributes="member: 7791">Yeah I believe you can put that carb and intake right on your 89' and make it a 30hp. Does it look like the 78' carb and intake will fit? See in 78' they weren't making 35hp at the prop. Johnson didn't start rating HP at the prop until 85' so the 84' and back 35's were rated at the flywheel/crank so they were closer to 30hp. After 85 they renamed the 35 a 30 in order to keep up with the foreign outboards that were putting out the labeled HP at the prop instead of the flywheel like J/E and mercs. And yes the RPM range will represent where your engine will produce peek HP and perform best.</blockquote>