valve adjustment

Hey folks, I'm working to adjust the valves on my 1HD-FT, and was wondering a few things. Hoping to get some advice from folks who have done this before. The backstory here is that I went to replace my valve cover gasket, and thought I'd adjust the valves while I was in there - but I'm quickly...

I have a tick. It’s been there since I got the rig some years ago. While I’ll freely admit I’m slightly OCD and the rig is running fine…..I’m working my butt off to make this a forever car I’ll drive in retirement. I’m also aware of several potential culprits like exhaust leaks, valve...