Hi i got my air boat it had the tank inside the hull the tank was huge it had a perry pump worked great untill one day just stopped no fuel so opened up the hull bloody tank was leaking so got a new tank i fitted a small header tank to keep the weight down it was no good so i have 6 oz tank same hight as the carb power went up straight away as it was getting fuel its a huge hull so i can get away with it another way is mount your tank up top turn your engine upside down keeps the boat from being top heavy just need to get a remote wire for the glow plug oi have a perry pump if you want it as i not use it