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American Turbine SD-309 Chewed up LOTS OF ROCKS

 
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Jeepwoody1989



Joined: 17 Oct 2011
Posts: 2
Location: St Louis Missouri

PostPosted: Mon Oct 17, 2011 11:09 am    Post subject: American Turbine SD-309 Chewed up LOTS OF ROCKS Reply with quote

I am brand new into the Jet Boat world. I have a custom 2012 Precision Predator 2372 12 degree bottom with a Kodiak 350 and SD-309 and originally had an A aluminum impeller I have just switched to a B cut though. I am REALLY ruff on my toys, and been running through really shallow water and jumped a few gravel bars. I didn't kill my engine at all the first time and when I bent my intake I shot LOTS of gravel through a full throttle sd-309. Had the edges sharpened then Hit chunk rock quarts at full speed and gouged the shit out of my bottom and literally ripped off my NEW intake grate sending 3 inch rocks into my impeller. I was able to knock them out and limp back to the ramp but when I pulled it apart to put in my new grate and impeller my Bowl was all chewed up and had a few nicks out of the veins. I cleaned them up as best I could reach them and bolted it back together. I took it out yesterday and it runs OK not not like it did when it was new (like 2.5 months ago). I wanted know how much can the bowl veins being chewed up effect performance? I am running about 1-2 mph less with the b than I did with the A and Its hitting top speed at 5100 rpm

Should the bowl be Sharpened? Could I have messed it up when I was using a dremal to clean up the Knicks? Thank for the advice guys.



Here is a link that shows what it looks and sounds like
http://www.youtube.com/watch?v=NyIJDGT4Tdg
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booztdperformance



Joined: 19 Jun 2012
Posts: 3
Location: missouri

PostPosted: Mon Jun 25, 2012 8:07 am    Post subject: Reply with quote

were you running that sucker on the gasconade river?
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