Quote:
Originally Posted by Chozen
I am running an Aeromotive inline fuel pump that is installed underneath my car and I want to change the stock in tank one to a WalbroWalbro will flow 520 lbs/hr @ 13.5 volts and 45 psi, the Aeromotive I have will flow 325 lbs/hr @ the same 13.5 volts and 45 psi. So, the Walbro in the tank flows more fuel, while the Aeromotive downstream of that flows less. Does this mean that my fuel can only flow as much as the Aeromotive, or does this mean I will get more flow than the Walbro by itself?
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If you install the pumps in series, the fuel pressure will rise well beyond 45 psi which is something that you don't want.
Install the pumps in parallel; this will maintain the pressure at 45 psi and will combine the volume output of each pump. However the size of the lines should be increased to take advantage of the increased volume.