This is mine, engine cold right after valve lash adjustment (wasn't much out of spec). Ticking can be heard inside the cab when giving it gas. Still there when warm but less loud. What do you guys think?
Cummins from other people on youtube for comparison:
After I got the truck back from Ziebart. Diamond gloss coating, under coating, and rust proofing.
Some pic turned out well, some did not. Camera wasnt liken the lighting conditions.