I'm trying to figure if this is possible seeing that the cobra (gt500) of that year has greater displacement that the 5.0 Cummings and can it be done and estimates in price I know it will be pricey but can it be done with the automatic transmission seems like a small set up but I want to know if I can find a wrecked truck and make a demon love child I wanted to keep it Ford and put the new 4.4l v6 diesel that's coming out but for now I'm working with the here and what I have to use