Subaru WRX Forum

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-   Bolt-on Tech (EJ255/EJ257 2.5L '04-07 STi and '06-07 WRX) (
-   -   fuel pump confusion (

slvr04wrx 10-19-2010 07:58 PM

fuel pump confusion
my cel light is on for my fuel pump and i want to upgrade to a 255 while im already going to have it out. im confused on do i need to do the injectors at the same time as the pump or is it cool to just run the upgraded pump. ive had people telling me to upgrade and others telling me not to. if someone could clear this up id really appreciate it.

basco 10-19-2010 08:15 PM

no you can run stock fuel system with a walbro

slvr04wrx 10-19-2010 08:21 PM

thanks so much i got a mixed reaction from others and didnt want to hurt my car in the end

turmic 10-19-2010 10:23 PM

Yeah, it'll run fine in stock fuel trims.

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