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Scott - Although not likely on the PI intake, you might want to check the pushrod holes in the Edel. intake for clearance. Depending on how much higher lift your new cam was, it is possible (unlikely though) that at the extreme lift you have some pushrod clearance issues. This is not necessarily related to your valve issue but something else to "check off" since your are still in the engine.
With my Sidewinder intake with a .600 lift cam we had to greatly increase the holes for pushrod clearance. Thus the suggestion.
Regarding #6 - have you backed off the rockers completely and turned the motor over? If so, what was the reading? If not, it might tell you the best case scenario.
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