I have searched and read 2 pages worth of thread topics and learned a lot about stiff springs causing issues as well as VCT deletes.

However my issue is on a stock cams and stock springs 5.0.

I had the crankshaft balanced and the heads ported, since it spun a bearing due to an oiling issue and I was upgrading the oil pump.

During re-assembly I decided to replace all four phaser actuators, just since they were not that expensive and I had them out anyway.

The stock harness connectors did...

Cam Phaser issue 2012 Mustang GT VCT