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Old 01-26-2004, 09:26 PM   #1
Scooby Newbie
Member#: 49535
Join Date: Nov 2003
Location: Canada
Default question on fuel pump

Does any body knows what is the pressure on stock wrx and rs fuel pump ( I mean how many liters per hour they are pumping)
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Old 01-27-2004, 10:21 AM   #2
Scooby Specialist
Member#: 40453
Join Date: Jul 2003
Chapter/Region: South East
Location: Metairie, Louisiana

IIRC it is 135. 130ish.
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Old 01-27-2004, 01:08 PM   #3
Scooby Specialist
Member#: 25796
Join Date: Oct 2002
Location: Cleveland, OH (sometimes DC)
1993 Legacy Turbo


The service manual specifies the WRX fuel pump should flow at least 130 liters per hour at 43.5psi with a 12 volt power supply.

The RS (MY02 anyway) pump flows at least 65 lph at 43.5psi and 12v.

Since I have this info handy, I'll add it too:

90-94 Legacy non-turbo: at least 80 lph at 36.3psi and 12v
91-94 Legacy Turbo: at least 150 lph at 43.4psi and 12v
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