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99 Impreza 2.5RS Black
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613 Posts
Found this on nasioc.com... not sure of the accuracy.

"the stock RS fuel pump is around 60lph
the stock WRX fuel pump is around 120lph at the same pressure."
 

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99 2.5 RS-T
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838 Posts
Chuck, I think you're way off actually. I think its more like 160 and 220. Stock injectors flow 280 cc/min -> .28 l/min -> x 4 injectors = 1.12 l/min -> 60 min/hr -> 67.2 l/hr = 112% duty cycle = no go.
 
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