just put a 45 slice on the pickup, I've also seen people drill a hole in the side right at the bottom of the pickup, anything to prevent it sucking to the bottom of the tank or creating a restriction that will prevent the fuel from being sucked up the pickup. Its a common problem with plastic tanks, i guess if the aluminum tank you have has enough flex in the top and bottom, it could do the same. I thought about the E10 solution, but figured acetone would be faster, just pour some in(couple gallons), hook the boat to the truck, drive around town stopping and starting, getting the acetone to slosh around. Pump the stuff out, take a look with the bore scope, once you're satisfied with it, pour a couple of gallons of gas in it, drive it around, then pump that out. While you're at it, go to the auto parts store, buy a cheap vacuum gauge and a hose tee, install it at the fuel tank in line withe the fuel hose. Go run the boat, if the gauge reads more than 2" hg, the problem is in the tank, if it reads less than 2" hg, move to to the spin on filter, then recheck, keep moving the gauge till you find the point that has the high vacuum reading, Thats the point of your restriction. Has the VST been cleaned thru all of this?
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