14 psi is approx atmospheric pressure, Is the pressure rise you see a design feature to compensate for pressure difference in the manifold
e.g. has it got vacuum connection on the pressure regulator?
what are the running issues ? Is fuel flow good adn free from air.
Cheers Aidan
Message Thread 
BMW 735 3.5 1992 - Fuel pump capture (waveforms) # - Darren Cotton April 2, 2011, 7:38 am
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