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Walbro 255 Fuel pump
https://bbs.legacycentral.org/viewtopic.php?f=16&t=39500
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Author:  SubaruNation [ Sun Apr 05, 2009 10:36 pm ]
Post subject:  Walbro 255 Fuel pump

I couldn't find a thread for it in here already, so lets start one!

Not really much to say other than it's awesome and i highly recommend it.

Like people said in other threads i found, i don't know why you really wouldn't get one as a replacement for the stock one.

they're cool also because of how much smaller they are than the stock ones, except they run better?

Image

Crazy.

I would like to thank 93firestpearl for his help when i was swapping out the stock Pump also.

Author:  SILINC3R [ Mon Apr 06, 2009 6:42 am ]
Post subject: 

is this good for a stock car and how much and how difficult

Author:  BSOD2600 [ Mon Apr 06, 2009 10:33 am ]
Post subject:  Re: Walbro 255 Fuel pump

SubaruNation wrote:
I couldn't find a thread for it in here already, so lets start one!

Here is my install thread with more pics.


SILINC3R wrote:
is this good for a stock car and how much and how difficult

* Yes, works fine in a stock car.
* I paid $133 for mine at subaruparts.com Walbro GSS341 255lph
* It's fairly easy -- at least in a Wagon. Heard its more of a hassle in the SS due to the seats/trunk in the way of things. Have to carefully get the fuel sender pod out of the small hole in the tank with lots of twisting for clearances, etc.

Author:  SubaruNation [ Mon Apr 06, 2009 5:19 pm ]
Post subject: 

yeah, in the review section though. but it all works :)

i would say yes it's very good. i feel a huge difference in the driving and acceleration, but i didn't just do a fuel pump :D.

you might as well, especially if you are planning on increasing the boost

Author:  Legacy777 [ Mon Apr 06, 2009 11:48 pm ]
Post subject: 

BTW,

You want the GSS341 pump not the GSS342 pump.

There's also an adapter kit, 400-791 you can buy with the GSS341 pump that makes it a plug & play affair.

Author:  BSOD2600 [ Tue Apr 07, 2009 4:30 am ]
Post subject: 

Really? whats the difference between GSS341 pump not the GSS342? Just the position of the inlet/outlet, right?
Mine was plug-n-play. I recall it came with a new filter, and the wires hooked up just fine.

Author:  SubaruNation [ Tue Apr 07, 2009 6:23 pm ]
Post subject: 

thanks josh, yeah i bought the GS341 kit off eaby for $100 and it came w/ everything needed for the swap.

Author:  Legacy777 [ Tue Apr 07, 2009 8:26 pm ]
Post subject: 

Not sure.....when I bought mine I did some looking and that was what I found.

Author:  BSOD2600 [ Thu Jul 02, 2009 7:35 am ]
Post subject: 

Well Josh is right, you DO want the GSS341 pump. I was mistaken in my earlier posts and thought I got the GSS342. Swapped pumps with the SS today and had a chance to compare the stock vs walbro I had installed a while ago.

Anyways, the GSS341 is a direct replacement:
Image

Author:  Airgne [ Thu Jul 02, 2009 2:36 pm ]
Post subject: 

got a 02 wrx kit that bolted right in paied 182 shipped. easy as hell to install. easy mod and a good one.

Author:  SubiePrice88 [ Tue Nov 03, 2009 9:43 pm ]
Post subject: 

so wheres the best place to buy the Walbro 255 GSS341 with everything needed?

Im still a little stumped and kinda hate buying certain stuff online when I cant actually see it in person.

I just want to get the right pump with everything needed

Author:  asc_up [ Tue Nov 03, 2009 9:47 pm ]
Post subject: 

You can get one right from the Subaru dealer. I did for $100 + tax.

Author:  SubiePrice88 [ Tue Nov 03, 2009 11:55 pm ]
Post subject: 

What about this one?

http://www.walbro255.com/255-lph-high-p ... 59801.html

Its $95.00 with free ground shipping

I believe its the right one...

Thanks for the help!

Author:  Redlined [ Mon Mar 15, 2010 9:46 pm ]
Post subject:  Re: Walbro 255 Fuel pump

yup.. thats the correct one and for $25 bucks less than everyone else

Author:  darkcrave [ Sat Feb 05, 2011 4:53 am ]
Post subject:  Re: Walbro 255 Fuel pump

Could a walbro overwhelm the stock injectors if you have 0 mods?

Author:  darkcrave [ Sat Feb 05, 2011 4:56 am ]
Post subject:  Re: Walbro 255 Fuel pump

Could a walbro overwhelm the stock injectors if you have 0 mods?

Author:  BSOD2600 [ Sat Feb 05, 2011 8:28 pm ]
Post subject:  Re: Walbro 255 Fuel pump

Overwhelm? As in the injector couldn't control is duty cycle? I have my doubts, as many on the board have run the walbro with stockish setups and no problems. How ever, if your injector oring seals are bad, then the increased fuel pressure I suppose could cause some leakage.

Why do you ask?

Author:  darkcrave [ Sat Feb 05, 2011 10:20 pm ]
Post subject:  Re: Walbro 255 Fuel pump

just wondering if a fuel pump going from so low to 255l would be pumping "to much fuel"

Author:  Redlined [ Tue Feb 08, 2011 7:25 am ]
Post subject:  Re: Walbro 255 Fuel pump

Fuel pressure is regulated just before the injectors. Running the Better pump simply insures sustained pressure at higher than normal Fuel consumption rates (bigger turbo, more boost, bigger injectors etc) there is no risk to running it with stock components. Infact some people on the board have commented on performance gains over the stock unit using stock components

Author:  darkcrave [ Sun Feb 27, 2011 2:18 am ]
Post subject:  Re: Walbro 255 Fuel pump

Installed the Fuel pump today! Walbro makes some great stuff! installed with easy! Highly recommend purchasing the install kit that they sell with it!

Author:  TurnNburn [ Thu Apr 21, 2011 6:19 am ]
Post subject:  Re: Walbro 255 Fuel pump

Got mine in the mail today. $95 bucks with the kit from Injectedperformance.com with free shipping. They even included a little die cast Hatchi Roku AE86 drift car. Kind of an unexpected addition to my order. lol. Will install tomorrow but i was curious if people were re-using the gasket that goes around where the unit seals against the gas tank. Iv read several threads but no one has mentioned it so it must not be a big deal to use it again (unless it looks like doo doo of course)but i was just curious.

Author:  Legacy777 [ Thu Apr 21, 2011 6:19 pm ]
Post subject:  Re: Walbro 255 Fuel pump

The rubber gasket is fine to reuse unless you see that it's torn or damaged.

Author:  TurnNburn [ Fri Apr 22, 2011 2:50 am ]
Post subject:  Re: Walbro 255 Fuel pump

Install went great. A little tricky getting the assembly out of the tank though and the old pig tail didnt want to come out without a fight (good thing i got the adapter kit which had a new one in it.) It is a tiny bit louder which isnt surprising considering how much it flows versus how small it is.

+1 for being painless.

Went around my usual stomping grounds after the install and i felt that it stuttered way less when initially hitting full boost, 15psi @3-3.5k rpm. Which is why i got it in the first place. Definitely need to roll around more to be sure though.

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