Here are the specs for the pump I used. It is mounted on the fender (inside

). This gives me easy access to service. I have been running it untouched for three years - this weekend I will pull the filter off of it and clean it.
This pump is good for 4ft dry lift, with the ability to go to 10 ft.
FRB-13 Reciprocating Fuel Pump (For Reference Only)
Performance
Voltage: 12 Volt (9.0 min - 16.0 vdc max)
Minimum Flow Rate: 162 liters per hour (43 gph)
Deadhead Pressure: 42 to 56 kPa (6.0 to 8.0 psi)
Maximum Current Draw: 2.3 amps
Life: >18,000 hours
Dry Lift: 48 inches (120 with optional outlet check valve)
Compatible Fuels: No-lead regular gasoline, premium gasoline, gasoline-alcohol blends, diesel and biodiesel fuels (20% and 100%), and E85
Corrosion Resistance: 1,000 hour salt spray test (ASTM B-117)
Operating Temperature Range: -40ºF to 155ºF (-40ºC to 68.3ºC)