Quote Originally Posted by mach1 View Post
4.6 cars are return less iirc so they are different, 94-95 is spot welded vs fox being brazed, both eventually fail, sn is more durable, buy either and reinforce the excellent oem baffle
Only the 99+ are returnless. 96-97 have basically the same setup as the 5.0, including the computer. The 98 is some sort of hybrid that either has coil on plug with a return fuel system, or it still has coil packs but has a returnless system. I don't remember for sure.