Here is the side that is making a large sound. It seems that a large part of the sound is coming from the bearing or pulley in the middle top of the timing belt. Also, the timing belt seems like it is off. (posted on my last video) -=-=-=-Fixed-=---=-- Found out the timing belt was way off and the auto Tensioner was not working properly. The belt was fine so we just reused it. Cleaned the auto Tensioner and re-positioned the valves, put it it back and it ran smooth. Leaving this video to others. Maybe someone had a problem and at least this could be a start.
Nissan 300zx, Nissan, 300zx, 1994, Engine Knock, Engine Noise, Engine, Noise, Knock, help, Timing Belt, Timing, Belt, Bearing