Super Jet What the size of superjet impeller ?

[Elaf]

And what I have to change when I Chang the impeller


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[Mike W]

You mean size (diameter) or pitch? The stock impeller is 13/16 pitch and 144mm (diameter).

 

[Elaf]

So
I can Chang the pitch size ,but I can’t change
the diameter .

Am I right?


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[tipafew]

So
I can Chang the pitch size ,but I can’t change
the diameter .

Am I right?


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Can only change diameter if you change the pump. Big money.
if you are mostly stock the first choice in prop would probably be a 9/15 Hooker.