Today I got the engine running again, and while the right valve cover was removed I used a stethoscope to try to find out which valve, if any, was more nosier. I thought they all sounded more or less the same, but one of the rocker arms on cylinder 4 was just a bit more noisy.
I took off the fulcrum, shaved of 0.01" approx with a file, put it back on, and guess what? The ticking noise is gone.
I know it's probably only band-aid, but at least I know that it's not bearing related. It's probably my camshaft going flat...
I guess that since I don't think I managed to file the fulcrum exactly straight, I may have to go in and re-torque it soon, don't you think? 25 ft-lbs, right?
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