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Old 09-14-2005, 11:00 PM   #1
Kawikid20o2
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'96 BrightonCoupeWRX-SR30

Legacy N/A legacy 2.2 fuel pump specs

you guys did a great job answering my questions about legacy turbo injector flow rates. Now all i need to know is how much the N/A fuel pump flows, preferably in lph but idk if thats how they are rated by subaru.

thanks so much

Justin
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Old 09-15-2005, 03:43 PM   #2
Legacy777
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AWD 6MT EJ22T AWIC Swap

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Discharge pressure is 36.3 psi

Discharge flow is rated at "More than 80 lph" at the following voltage/pressure [12V at 36.3 psi]
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Old 09-15-2005, 08:10 PM   #3
Kawikid20o2
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Legacy

Quote:
Originally Posted by Legacy777
Discharge pressure is 36.3 psi

Discharge flow is rated at "More than 80 lph" at the following voltage/pressure [12V at 36.3 psi]
it only flows 80 lph???
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Old 09-16-2005, 12:58 PM   #4
Legacy777
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That's what the factory manual says.....

I can double check a different manual when I get home, but it's probably correct.
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Old 09-16-2005, 01:03 PM   #5
Kawikid20o2
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Legacy

do you know what color injectors the car had that you reading out of the manual from?
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Old 09-19-2005, 09:47 AM   #6
Legacy777
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Red.

However the 90 & 91 n/a legacies had the same rated pump, but their injectors were grayish for the AT and black I believe for the MT's.
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Old 09-19-2005, 01:15 PM   #7
Kawikid20o2
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Legacy

so it doesnt matter what injectors the car had, they all share the same fuel pump? probably with the exception of the turbo model with the pinks we talked about in my injector thread.
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Old 09-19-2005, 01:21 PM   #8
Legacy777
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Quote:
Originally Posted by Kawikid20o2
so it doesnt matter what injectors the car had, they all share the same fuel pump? probably with the exception of the turbo model with the pinks we talked about in my injector thread.
Correct

The part # may have changed, but the pump's specs stayed the same.
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Old 09-19-2005, 10:36 PM   #9
Kawikid20o2
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Legacy

ok thanks a bunch!
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Old 09-21-2005, 01:12 AM   #10
Kawikid20o2
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Legacy

ok so i did a little home work and converted the 360cc/min flow of the turbo injectors to LPH.

360cc/min x 60 = 26,100cc/hr

26,100cc/hr to LPH move decimal 3 places left = 26.1LPH

26.1LPH x 4 injectors = 86.4LPH max flow

do i have a problem running an 80LPH pump at the top end?
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Old 09-23-2005, 11:35 AM   #11
IronMonkeyL255
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It would not be a good thing. You would probably run a bit lean at the top end, where you need the fuel most.

If it could keep up, you would be running it harder than it was designed for, thus shortening its life.

I would recommend just replacing it with a high-flow unit. I put a Walbro GSS-341 255 LPH unit in mine. It was drop-in, and less than $100.
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Old 09-23-2005, 01:12 PM   #12
Kawikid20o2
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'96 BrightonCoupeWRX-SR30

Legacy

yours was turbo from factory right? So do you have the OE pump for your car? it should be a 150lph...i would be interested in it if you do.
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Old 09-29-2005, 11:31 PM   #13
Legacy777
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AWD 6MT EJ22T AWIC Swap

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Quote:
Originally Posted by Kawikid20o2
yours was turbo from factory right? So do you have the OE pump for your car? it should be a 150lph...i would be interested in it if you do.
I've got a spare turbo legacy pump if you'd like to buy it. I used the walbro 341 instead of the stock one.

Let me know if you're interested.
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Old 09-30-2005, 12:35 AM   #14
Kawikid20o2
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Subaru Stars

i might have a wrx pump becoming availible to me shortly, but if that does not happen i might be interested in yours.
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