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Old 08-11-2017, 11:41 PM   #1
Scooby Newbie
Member#: 472423
Join Date: Aug 2017
Default E85 conversion for EJ205??

Anyone running E85 in their 02-05 wrx? Was looking into the cobb flex fuel kits and noticed they only have it for the EJ25. Is there any well known kits I could look into?
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Old 08-12-2017, 12:49 AM   #2
Scooby Specialist
Member#: 322035
Join Date: Jun 2012
Chapter/Region: BAIC
Ol yeller


You don't NEED a converison kit thingy to run e85. You NEED bigger fuel injectors and a supporting fuel pump (actually I dont know if you NEED this but I have never tried on stock pump) if you don't already and a tune. If you don't get a tune your air fuel mixture will be so off your car will be a rolling turd.

Be it a local tuners road tune, an etune, or dare I say a tuning shop dyno tune tuner guys tune. Doesn't matter.

But then you can only run e85 no more gasoline for you unless you carry around your laptop and have two maps to flash to your car and even then the mixture will be off and it wont be very good.

If you want actual flex fuel. Youll need a carberry rom speed density tune and the kit from here.

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