root/engines/franklin/new_fuel_pump - 4 file(s)
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From Jim Agnew (paraphrased):

New PZL fuel pump.  
It sure looks like they did a good job,
a vane pump with a pressure regulator, overboard leak
drain, and supposedly a bypass for the boost pump.  They
are recommending that you change back to a series boost
pump installation if you have a parallel setup.