Remove the valve covers while engine is running. Watch rocker arms. You may notice that one or several may not be moving, or are not moving as much as the others. I have an 82 CE. Had to replace the camshaft. There was a problem with soft metal in camshaft. In my case 2 lobes were worn round.
Hello, My name is ChildishEgg, but you can just call me Childish. I post almost every day Monday through Friday and at the end of all my posts I ask a question. I love conversing with this community. Feel free to send me a message or reply to one of my posts. See ya!