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Best prop for 1976 Johnson 15 top end speed?
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<blockquote data-quote="Charger25" data-source="post: 312677" data-attributes="member: 9620"><p>I've got a 1978 15hp ,the original prop is 9 1/4 X 8 in very good condition ,with the 14 ft fully loaded, trolling motor, batt, cooler, gear & 2 people it will push it 19 mph according to the GPS. Brought a 91/4 X 11 prop thinking it would go faster but I could tell it was too much prop and motor was bogging down not reaching proper RPM's .Didn't have the GPS with me at that time so not sure how much speed I lost. Got a tiny tach on order to get it right, but I would think that you would like to keep the RPM's between 4900 to 5500 just my 2cents</p></blockquote><p></p>
[QUOTE="Charger25, post: 312677, member: 9620"] I've got a 1978 15hp ,the original prop is 9 1/4 X 8 in very good condition ,with the 14 ft fully loaded, trolling motor, batt, cooler, gear & 2 people it will push it 19 mph according to the GPS. Brought a 91/4 X 11 prop thinking it would go faster but I could tell it was too much prop and motor was bogging down not reaching proper RPM's .Didn't have the GPS with me at that time so not sure how much speed I lost. Got a tiny tach on order to get it right, but I would think that you would like to keep the RPM's between 4900 to 5500 just my 2cents [/QUOTE]
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Best prop for 1976 Johnson 15 top end speed?
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