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crazy upgrade idea
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<blockquote data-quote="Pappy" data-source="post: 254006" data-attributes="member: 3278"><p>Do not drill out the exhaust...will just make the engine louder and drive people crazy.....does nothing for horsepower. </p><p>Yes, find the megaphone and you will notice a difference. The change came about around 1981 or 1982 (look it up if you care to) and along with the carb it makes a stout 15hp engine. While there change out the water tube grommets at the top of the water tube as well. These have a nasty habit of collapsing around the water tube and restricting cooling water to the powerhead. They collapse due to overheats and, if around salt water, corrosion.</p></blockquote><p></p>
[QUOTE="Pappy, post: 254006, member: 3278"] Do not drill out the exhaust...will just make the engine louder and drive people crazy.....does nothing for horsepower. Yes, find the megaphone and you will notice a difference. The change came about around 1981 or 1982 (look it up if you care to) and along with the carb it makes a stout 15hp engine. While there change out the water tube grommets at the top of the water tube as well. These have a nasty habit of collapsing around the water tube and restricting cooling water to the powerhead. They collapse due to overheats and, if around salt water, corrosion. [/QUOTE]
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