Quote Originally Posted by allmotoronly
well make it a big one!!! for the money you should just swap a 5.4L DOHC navigator engine in it. get a 99-03 cobra intake mani/tb, headers, intake, and a good tune and you should be able to get about 350whp.
There was a P71 on ebay a year or so ago with that swap. He said at 40mph he could floor it and smoke the rear tires.