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Extra horsepower from 60hp Evinrude?
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<blockquote data-quote="Lil&#039; Blue Rude" data-source="post: 349348" data-attributes="member: 4627"><p>Maybe not pappy. 1986 was the first year for the 56 cube motors and the last of the 49 cube motors was 87 or 88 so they over lapped few years there. The later 49 cube blocks used the same porting, the carb size was the difference between the 60,70,75hp motors. Think the 75hp motors was from the prop rated days. Some of the old stingers 75hp motors may have had taller exhaust ports. They did offer a high compression head for the 49 cube motors. Easiest way to tell a 49 cube from a 56 cube is the head. The 49 cube had a 2 piece head so it will have a lot of bolts to hold the 2 pieces together and the 56 had a one piece head so it will only have the 14 bolts holding the head on.</p></blockquote><p></p>
[QUOTE="Lil' Blue Rude, post: 349348, member: 4627"] Maybe not pappy. 1986 was the first year for the 56 cube motors and the last of the 49 cube motors was 87 or 88 so they over lapped few years there. The later 49 cube blocks used the same porting, the carb size was the difference between the 60,70,75hp motors. Think the 75hp motors was from the prop rated days. Some of the old stingers 75hp motors may have had taller exhaust ports. They did offer a high compression head for the 49 cube motors. Easiest way to tell a 49 cube from a 56 cube is the head. The 49 cube had a 2 piece head so it will have a lot of bolts to hold the 2 pieces together and the 56 had a one piece head so it will only have the 14 bolts holding the head on. [/QUOTE]
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Extra horsepower from 60hp Evinrude?
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