1975 Carbed 1.8, Rebuilt to a 2.0 Options

[ballsyfacts914]

Hi All,

Worked on getting the charcoal canister installed last night and when I finished and started the car, I heard this clicking noise that for some reason stood out to me.

I did some research and it seemed it could be three things, a leak in the exhaust, a valve issue, or a rod issue.

Pulled each of the spark plug wires individually while the engine was on (only minor shocks) and the click didn't go away. I also noticed that the click lessened once the car warmed up.

I then reached out to AutoAtlanta and spoke with George, he confirmed the spark plug wire pull while running was a good way to troubleshoot a valve issue. The click did seem to lessen when I pulled the passenger side wires but was still there. George also said that an exhaust leak noise would go away when I revved the engine. In my case the click increases when I rev, though seems to be less.

I plan to drain the oil and check if any thing is in the screen, which would indicate an issue with the rod.

Lastly, I pulled a video of me starting the car cold and driving up and down my street from two years ago and the click is there. Also, no mechanic I have had it too has mentioned anything sounding off.

So, my question is, is it a click or just a normal engine sound? Any advice on how to diagnose further? Should I be worried?

Thanks for all your help!