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1970 evinrude 25 hp question
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<blockquote data-quote="Pappy" data-source="post: 331421" data-attributes="member: 3278"><p>Agree on polishing the chamber.....waste of time.</p><p>The engine will, however, respond to an increase in compression. With just .030 you should need nothing more than around 89 octane. </p><p>Start running more oil from this point on.</p></blockquote><p></p>
[QUOTE="Pappy, post: 331421, member: 3278"] Agree on polishing the chamber.....waste of time. The engine will, however, respond to an increase in compression. With just .030 you should need nothing more than around 89 octane. Start running more oil from this point on. [/QUOTE]
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1970 evinrude 25 hp question
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