After this whole year of driving my 75 280z, the fuel pump started to pump at 29-30 psi, and I said to myself its
time to change the fuel pump. After I did that there is no more stumbling, the acceleration has increased dramastically, and the fuel pressure is running at 39-40 psi. I was very suprised that my z is fast for the year it is. So now having to drive a z like it should be running I ...