kakashi07

Ok so here's the thing. I have had this noise that I have been trying to track down for a while now. It is hard to track down. I thought it was coming from under the valve cover at first. My friend insisted that it was one of my bearings saying it was my water pump bearing. I replaced the water pump and low and behold that was not it. It is a very high pitched noise that only occurs at lower RPM, typically 1-2K RPM. Its evident if I blip the throttle. I have been having a hard time trying to find any thread with symptoms similar to mine but can't so requesting help for the Nissan Noob. Oh and I have an S14 with an SR20DET. It is a notch top if that helps.