Took the boat out a few weeks ago and when standing on the throttle to get some speed runs the motor would start to stumble after a little bit. If i let off for a few seconds and jump back on it it would stay strong but then again start to stumble. I think i'm sucking the bowl's dry? I'm thinking i need to reset my float level because when i had the needle seat problem i dropped the bowl all the way down and when i reset them i was on the trailer and not on the water so they might be a bit low. Also i'm only seeing 4.5 lbs of fuel pressure, maybe this isnt enough to fill the bowls? I used to be able to get 8lbs of pressure out of this thing but now for some reason i try to turn the pressure reg up and i cant. I'm wondering if i'm sucking air... My pump is brand new, it's a mallory marine 110 pump.