Not Ranked
My first suggestion would be replace the Tee with a "Y" AN fitting to reduce a pressure losing restriction. I would attach my one way valves to the Y. Second, you need TWO one way valves, one for each line. Back in the day electric fuel pumps had one job, move fuel from the tank to the mechanical pump PERIOD. I believe with your present setup, if you were racing you would quickly run out of fuel being delivered to the mechanical. I would look at the following: Connect ONE pump to the reserve, connect the second pump to the higher pickup, wire this so the second pump it is HOT when you turn the ignition on. Your present setup will over power the gravity feed line and pump fuel to the higher pickup, pumping fuel from the reserve reservoir into the main tank. The Daytona's had a 3 pump system because the electric pumps of more than 50 years ago were not very reliable.
Bill K
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