dothadoo
Active Member
I remember that many years ago a friends dad had a 91 sp and he was able to get a little more speed out of it by adjusting the nozzle angle down a few degrees. I wondered if this could be effective or even possible on a machine without trim. Has anyone tried to 3-d print some kind of a wedge to put in between the pump’s mating surface? I know the early XP had a manual trim. How did those work?
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