[byron w]

Original cam: C3AZ-6250-AA, .500 @ 306 with 78 degrees overlap. Lash .025 hot.
Next up: C4AE-6250-B, .500 @ 324 with 112 degrees overlap. Lash .025 hot
Next up: C8AX-6250-D, .600 @ 330 with 116 degrees overlap. Lash .25 hot

Biggest hyd from Ford for an FE:
C8AX-6250-C, .500 @ 282 I / 296 E with 58 degrees overlap. Lash, hyd.

These were the largest cams available from Ford for a 427. The C3AZ-AA cam was the only standard production cam. The others were over the counter.
You can purchase solid cams that are very similar from Holman-Moody.
Hope this helps someone.
Byron W