High Fuel Pressure
I have about 1000 hours on my -7 behind an IO-360 and have been seeing intermittent high Fuel pressure as indicated by the SkyView. Yesterday's flight showed about 38 psi on run-up and after 30 minutes dropped back to the high end of the green. Pressure drops momentarily when I apply throttle and always drops after flying a while. After a fuel or lunch stop, while still warm, pressure still normal. Seems like the first run-up and take off for the day, I see high pressure. I have replaced the mech fuel pump and the VDO sensor (twice). I think I still have a bad sensor. Thoughts from the group?
Greg RV-7 flyer