I have a spare 5.4 sitting around and want to build a hard core drag racer. Been trying to figure out what to put it in and am trying to decide between a fox, 99-03 SN95, or 2010+ S197. I remember the 94-98 SN95s being a real weak chassis but that is just my foggy memory. Are the New Edge Cobras any stiffer or would it be better to spend a little extra and get a S197?