Did I wipe a lobe or ???

440seven said

I was messing around the other day after I got my new exhaust welded up and put back in. Cranked her up and noticed a hefty tick.

Click to expand...

I know you've already torn into the motor, but from the clip you posted, it could be an exhaust leak. The fact that you started noticing it right after welding up a new system may not just be a coincidence...