[wadesdad]

THE PROBLEM -

Cam kniched on every other lobe where it came into contact with the connecting rods - no, not the bolt head, about 1/2" up the cap.

Bent a few pushrods, broke the timing key, wasted the cam.

THE VERDICT -

No one knows why, but the best guess is that my timing set is improperly indexed. Both the new and old cams hit exactly the same way when set at O degrees.

THE SOLUTION -

When indexed to +2 degrees on the timing set, VOILA! No interference problems.
(My builder doesn't love this solution)

Crane offered to replace everything if I sent it in, however,
Summit exchanged all related parts at no charge and a "good luck!" after they drew a blank as to why it happened

As a show of good faith, I bought the tall K&N filter to better fill my hood scoop and give my revived engine a little breath.

-Input????????????