I'm pretty sure Lightnings arn't running a 5.4liter. I think they are running the same thing theMustang Cobra has which is a 4.6liter dual overhead cam engine + supercharger. Also, the SRT10 really isn't in our class. It isn't designed for towing and therefore cannot be considered a light duty work vehicle. Dodge warns people when they buy them not to tow ANYTHING with it as you run the risk of snatching the hitch off your stuff. (that would be pretty cool/funny to see though!)

 

Nope 5.4L Triton, according to the wikky whacky pedia http://en.wikipedia.org/wiki/Ford_Lightning