On my few last flight I noticed that my fuel pressure fluctuated between 24 - 17 psi specially in higher altitudes. It was all good with the electric pump on. The fuel selector switching didn't do any difference. So I decided to get the new fuel pump and swapped it today with my mechanic. Testing on the ground now shows the fuel pressure over 30 psi at idle and lower RPMs which puts me in the red on the fuel gauge ( CGR30P) and around 29 psi ( top of the green ) at full throttle. My fuel pressur