yes v can use a car engine on water but to a litltle extinct i mean to say that u can use patrol and water togather for just if you have a budget problems and you can visit youtube and search for the phrase , like cars on water, or car running on water etc. and you will get the latest video's to see as its not only possiable but is working with diffrent features as in diffrent mod.s and types. Hope you will get the clear idea form the vedio search. But any how possiable and working in 2009 & and better in so on years to come.