the 5.4 3v's have the same valvetrain as 4.6 3v. identical. they are also very low compared to 5.4 2v. 1" to 1.5" taller than mustang 4.6 2v.
96 gt. .93 teksid ported 4V, forged, 64mm turbo,sniper tune, BA2600maf, 90/10's, granitelli rear LCA's, 3.90's, QA-1 200in/lb fronts, tubular everything, coil overs.
2011GT, 300A, base model, 3.73, brembos, spoiler delete, candy red. current mods: lethal off road x-pipe, airraid cai, lethal 93 tune, roush axle back mufflers