Went to start my 2006 GT the other day and there's a distinct knock. I keep it maintained and don't beat on it. Took off the driver side cam cover and don't see anything obviously wrong. Can't tell if the noise is coming from the driver side or the middle, but it's at the front of the motor.
Car has stock short block, KB 2.6L, Comp 127500 cams, valvesprings, retainers, and phaser limiters. Makes 11 psi but I rarely push it too hard. Tuned by Lito. 60,000 miles on the car.
I'm thinking it's a phaser or chain tensioner, but no idea how to tell.
Can anyone give me some direction?