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1980's Johnson/Evinrude 20/25hp conversion to 30hp with pics
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<blockquote data-quote="spcamno" data-source="post: 358748" data-attributes="member: 13124"><p>Hi Johny25,</p><p></p><p>Thanks for making this very informative post!</p><p></p><p>I have some questions for you may be you can help me out.</p><p></p><p>I have a 1990 Evinrude 20hp (E20CRESB) and when I compare the parts diagram it does show a different carb to a 35hp with same model year and what exactly do I need to get in order to increase the output?</p><p></p><p>Should I get a carb and manifold from a donor 35hp or open up a restrictor plate mentioned in another thread?</p><p></p><p>Also, is the 40hp share the same head, block etc and what is the maximum possible I can get this thing to?</p><p></p><p>Thank you in advance!</p></blockquote><p></p>
[QUOTE="spcamno, post: 358748, member: 13124"] Hi Johny25, Thanks for making this very informative post! I have some questions for you may be you can help me out. I have a 1990 Evinrude 20hp (E20CRESB) and when I compare the parts diagram it does show a different carb to a 35hp with same model year and what exactly do I need to get in order to increase the output? Should I get a carb and manifold from a donor 35hp or open up a restrictor plate mentioned in another thread? Also, is the 40hp share the same head, block etc and what is the maximum possible I can get this thing to? Thank you in advance! [/QUOTE]
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1980's Johnson/Evinrude 20/25hp conversion to 30hp with pics
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