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Message: <blockquote data-quote="handyandy" data-source="post: 474589" data-attributes="member: 18942"><p>I concur with what was said I'm wondering if a different larger pump can be mounted on your engine. I don't know your engine all that well but I do know for omc engines the r model pump fits v4 and v6 engines with a driveshaft change, but a larger pump is recommended for the bigger v6 engines I forget which model. You may have the right pump, but should maybe be running a different impeller. I'd start with new intake grates, sharpening and shimming the impeller. Make sure you sharpen the impeller properly the way outboard jets suggest isn't the best way. Don't file on the bottom of the leading edge of the impeller sharpen it so it angles down and grabs water better.</p></blockquote><p></p>