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Message: [QUOTE="TARM, post: 422186, member: 578"] any of the pumps you are looking at will handle the fueling needs of those injectors. Its the nozzle more than the injectors volume that matters. So 100% nozzle is a 100% nozzle anything much over 238cc is not doing much as run into the available PW wall. An A1000 flows close to 2x that of dual SD (bosch) pumps; 95-100gph/40-45gph respectively. A walbro flows about the same as the dual SD pumps 40-45@ 65-70 psi. The Bosch 044 flows about 80-85gph at the same pressures. Then you have the Aero A1000. The issue with it is without a add on module it runs at full speed all the time. This can be an issue with excessive flow rate as well as shortened life. Fuelabs you have a number of pump sizes. 41401 is the most popular. They are recommended to be used at the 60% setting when used continuous such as DD situations so you should rate them based on this. It also should help duty life. So it flows around 60 gph in this reduced level in the same pressure range. That puts it right between the Walbro/dual SD and the Bosch 044. If run at full speed its equal to the A1000. To run the A1000 at reduced speed you need that pw modulator/FPSC but this is as costly as the pump so IMO no worth it when you have the fuelabs with its built into the pumps functions. SD Bosch: 20-25gph Walbro/Dual SD (Bosch): 40-45gph Fuelab 41401 @ 60% DC: 60gph Bosch 044: 80-85gph A1000/Fuelab 41401 @ 100%DC: 95-100gph Charles has reported on his setup 650hp with 400% running @ 1.6ms PW with a 60gph flow rate pump setting it holds set pressure. So you can use that as a gauge. My Bosch 044 holds my 465cc/200% no issue @ 70 psi [/QUOTE]

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