ok been awhile i have done alot mounted tank on top no problems took it out last weekend ran fine other than bouncing real bad in the front and the turns were tricky either spun out or wanted to flip never did though i was so nervous taking it out for the first time it got some air but luckily i was quick and throttled down anyways build new motor mount little lower and shorter moved engine back 2 inches and tilted it up a few degrees took it out again and the bouncing was alot better but now im having problems with it running its like its starving for fuel its will go w.o.t. then start to loose power and almost die i get it back on land and it runs fine back in the water it will run fine a couple of burst then start to bog out is it because the motor is tilted up ??? should i raise the tank a little?? was gonna try but the worst happed i ran out of nitro NOOOOOOOOOOO!!!!!