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Old 01-10-2013, 09:17 PM   #1
Scooby Newbie
Member#: 343003
Join Date: Jan 2013
2003 Subaru WRX

Default E85 On a 2003 WRX

Does anyone run E85 On there 2002-2003 WRX? What supporting mods should I place and how hard is it to do it yourself including fuel pump and injectors and do the lines need to be upgraded as well I assume also did anyone have major problems with their engine after doing this and does the 2.0 Boxer handle E85, thanks
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Old 01-10-2013, 10:03 PM   #2
Scooby Specialist
Member#: 200545
Join Date: Jan 2009
Chapter/Region: SWIC
Location: Phoenix, AZ
2002 WRX
2008 SPEC B


The information you seek is available using the "search" feature... . also, see below:

NASIOC > NASIOC Technical > Engine Management & Tuning
E85 fuel FAQ

NASIOC > NASIOC General > Proven Power Bragging
The E85 Army Thread

Sounds like you could also spend some time reading the unabomber's manifesto
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Old 01-10-2013, 10:16 PM   #3
Scooby Guru
Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
2002 WRX Sedan
Midnight Black


I've been running E85 for quite a while.

You need:
properly sized injectors
properly sized fuel pump

you can do it yourself if you're familiar with tuning yourself and have all the necessary tuning tools. If you are not familiar with tuning, then take it somewhere that can tune you and have them do everything.
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