I should mention the 7/12 is a small hub swirl. Just go with that
Skat makes a 155 large hub swirl impeller. The root pitch is just to High to be tweaked down and work with the small motors. I have a 8/15 large hub skat swirl for my 898 PHP motor now.
You can take what ever drive shaft you...
The oem 155 defiantly fits in a superjet hull. My buddy has a 155 oem pump in his SJ with a 760 in it, rips for sure. You need to use the sj drive shaft. Just simply cutting 3/4" from the end of the shaft will not change the splines location of bottoming out, simply less contact area. For your...
I'm going with a rear cold fusion battery box. Does that allow for more fuel? I didn't see exactly where you had the battery box
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