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Jet Boats
General Jet Boat Discussions
Has anyone ran the 4S SS impeller in a 2S
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<blockquote data-quote="LarryMc" data-source="post: 432718" data-attributes="member: 13895"><p>I'm surprised that you got higher RPM with the aluminum 2S impeller than the SS 4S. When I first got my Mercury 4S 40 Jet, I tried both the 2S SS and the 2S aluminum impellers. I got around 4900 top end RPM with both. With the SS 4S impeller, I get around 5200 RPM. Guess the 4S just doesn't have enough power to turn the 2S impeller any faster.</p></blockquote><p></p>
[QUOTE="LarryMc, post: 432718, member: 13895"] I'm surprised that you got higher RPM with the aluminum 2S impeller than the SS 4S. When I first got my Mercury 4S 40 Jet, I tried both the 2S SS and the 2S aluminum impellers. I got around 4900 top end RPM with both. With the SS 4S impeller, I get around 5200 RPM. Guess the 4S just doesn't have enough power to turn the 2S impeller any faster. [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Has anyone ran the 4S SS impeller in a 2S
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