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67 Evinrude 18 modified to a 25 ?
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<blockquote data-quote="Ironhorse2022" data-source="post: 492600" data-attributes="member: 31989"><p>Morning all,</p><p>Im considering buying a nice 67 evinrude 18 hp with the intent of modifying it to a 25 by changing carb, intake and exhaust manifolds. I’d appreciate your thoughts on a few things</p><p>1. Are there more differences than just carb and intakes ? Ive heard yes and no. </p><p>2. On a front steer, 180 lbs boat with 350lbs of cargo/people, what max speed can I expect from an 18 vs 25 ? Not sure it’s worth the effort of upgrading. </p><p>3. I don’t want to be running at wot all the time traversing lakes. I’m thinking that might be the case with an 18 ?</p><p>4. Any special reason to avoid a 67 evinrude 18 over a later model 69 or 70’s of 18-25 hp ?</p><p></p><p>thanks</p></blockquote><p></p>
[QUOTE="Ironhorse2022, post: 492600, member: 31989"] Morning all, Im considering buying a nice 67 evinrude 18 hp with the intent of modifying it to a 25 by changing carb, intake and exhaust manifolds. I’d appreciate your thoughts on a few things 1. Are there more differences than just carb and intakes ? Ive heard yes and no. 2. On a front steer, 180 lbs boat with 350lbs of cargo/people, what max speed can I expect from an 18 vs 25 ? Not sure it’s worth the effort of upgrading. 3. I don’t want to be running at wot all the time traversing lakes. I’m thinking that might be the case with an 18 ? 4. Any special reason to avoid a 67 evinrude 18 over a later model 69 or 70’s of 18-25 hp ? thanks [/QUOTE]
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67 Evinrude 18 modified to a 25 ?
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