Here is a smattering of the 12 most Revolutionary Roller and Solid cams for post 1986 Port Fuelie 5.0and 5.8's.
50 thou figures show a lot more on what was going on.
Stock 85-90 cam is 204°/204° at 50 thou 444 in. 444 ex thou lift ( Version 1 and Version 2 again, Roller cam)
Overall Roller cam Production figures are effectively four types, revised four times:
85-88 5.0: E5ZE-6250-AA 266°/266° at lash 444/444 thou lift (Version 1)................................................ ..1st
89-90 5.0 : E8ZE-6250-CA 276°/266° at lash 444/444 thou lift (Version 2)................................................ 2nd
91-93 5.0: F1ZE-6250-AA 276°/266° at lash 444/444 thou lift (Version 2)
93 Cobra 5.0: F3ZE-6250-CA 270°/270° at lash 479/479 thou lift with 1.7 rocker arm ratio (Version 3)...3rd
94 Cobra 5.0: F1ZE-6250-AA 276°/266° at lash 444/444 thou (Version 2)
95 Cobra 5.0: F4ZE-6250-DA 276°/266° at lash 444/444 thou lift (Version 2)
96-01 Explorer 5.0:F4TE-6250-BA 256°/266°at lash 422/448 thou lift (Version 4)....................................4th
A-cam (Ist flat tappet hyd ) is 204°/214° at 50 thou 448 in. 472 ex...............Deadly Letter A'.....................5th
A-cam (2ndflat tappet hyd ) is 204°/214° at 50 thou 472 in. 496 ex..............Deadly Letter A''....................6th
E-cam is 220°/220° at 50 thou 498 in. 498 ex thou lift..................................Deadly Letter E.....................7th
B-cam is 224°/224° at 50 thou 480 in. 480 ex thou lift..................................Deadly Letter B......................9th
F-cam is 226°/226° at 50 thou 512 in. 512 ex thou lift..................................Deadly Letter F......................10th
X-cam is 224°/224° at 50 thou 542 in. 542 ex thou lift..................................Deadly Letter X.....................11th
Z-cam is 228°/228° at 50 thou 552 in. 552 ex thou lift..................................Deadly Letter Z......................12th
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