wow are people getting mad about theys engins both are good engins, to have in stock form i give the it up to the magnum and if you are bulding both theys engin they are the same dipending on how much of this you $$$$$$ you have to spend but in stock form i think a magnum is a better balenced engin thats were it ends . hence were they get a little more out of it becuse they can rev a littel hire.