ok,, im pullin my hair out on this one! i sure hope someone can help,, last ride of the year, last year, the boat was pullin 4100, no problem, actually all year, did the winterize thing, put her to bed for the winter, pulled her out this spring, did the oil change, filter, hooked everything up, took her for a spin ,,,and now she only gets 3500,, had the tech, out last nite and he set the carb,timing, etc,, engine has only 30 hrs. on it. he says its not the engine???? could the pump be crappin out? it only has 40 hrs. on it. engine 351w ( i know its a ford), a.t.s.d.309. aa cut. 21 eagle e6.Could a bearing be screwed in the pump? wear ring? ???? Got a new wear ring, shim kit and new imp. any one got ANY ideas? thanxs for all info!!