Telephonewire Posted September 20, 2010 Share Posted September 20, 2010 Hi, I am looking to install a 255lph Walbro fuel pump into my JDM Legacy 2.0L GT MY04 but am a little unsure as to which model to buy. I can see there are typically three models to choose from: - GSS340 - GSS341 - GSS342 ...I have found a guide on this forum how to fit a Walbro GSS342, which is very useful, but not sure if this is only applicable to the USDM cars or if it also covers the JDM cars? Also, out of interest does anyone know what the differences are between these pumps? I can't seem to find any details of differences on the internet? Thanks. Telephonewire Link to comment Share on other sites More sharing options...
mwiener2 Posted September 20, 2010 Share Posted September 20, 2010 gss342 they're different sizes My Mods List (Updated 8/22/17) 2005 Outback FMT Running on Electrons Link to comment Share on other sites More sharing options...
frank_ster Posted September 20, 2010 Share Posted September 20, 2010 um think they had different pressure ratings . my warbro 255 only puts out 70 psi. Now that's thinking out of the boxer! fyi all 05 + legacy's have built in code reader Link to comment Share on other sites More sharing options...
mwiener2 Posted September 20, 2010 Share Posted September 20, 2010 ^^ thats not a part number, that's a flow rating My Mods List (Updated 8/22/17) 2005 Outback FMT Running on Electrons Link to comment Share on other sites More sharing options...
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