Impeller choices

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I have a 2007 seadoo speedster 200 430hp bout to overhaul pumps and wear rings also goin change impellers. I upgraded my superchargers to the x chargers with 42# injectors, what would y’all go with 14 19 or 15 20
 
I'm running a 14/19 on my 215 with a 4" intake and F1000 external cooler. I'm getting 7700-7800 rpm. My analog tach isn't the most reliable. I suspect with the x-charger you'd be over revving the 14/19.

What kind of rpm increase did you see withe the stock impellers after the you put on the x-chargers?
 
14 19 is stock for my boat, haven’t had a chance to run it yet. I was told to go with the 14 19 after such as solas and see how it goes
 
Report back when you have the results. I'm curious, as I intend to upgrade to the x-charger at some point. I expected to have to go up to a 15/20 or a pitched 14/19.
 
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