Some boats just squeak, but a simple tightening of the tramp about do the trick. The side bars should bow in a bit when the tramp is tighten properly. if you need advice on how to tighten the tramp let us know. make sure the corner casting is not sliding up and down on the pylon, if it is we need to talk about shims. The tramp being tighter should do the trick.
The water in the hulls sounds normally, 1-2 cups is no big deal. welcome to the forum, great source of info from dealers, factory, as well as other sailors just like yourself!. where do you sail?