Just finished up the head gasket on my 3FE getting a whining noise on the manifold side not sure what's causing it. You can here it in the video unfortunately it's not a turbo but sounds like it.
https://photos.app.goo.gl/2AcMhnz1GEMq89LF8
https://photos.app.goo.gl/2AcMhnz1GEMq89LF8