i brought my sporttrak at the start of the year and shes been to wales 3 times and got everywhere land rovers got and the only thing she struggles on is ground clearence round the axles but im after a few ideas of how to get some more horse power out the engine and how to water proof the engine has after a couple of hours she just splutters along even in low box like its running only on 3 cylinders also im intrested in putting in a snorkle but ive been hearing its a diy job any suggestions please