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What do I need to do to run a E85 tune in my Neon SRT-4, Caliber SRT-4?

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We get asked this question a lot so we’ll do our best to cover it here in a brief summary.

E85 is a grade of fuel that is 85% ethanol and 15% gasoline by volume.

E85 fuel when tuned for in a performance ecu/pcm calibration can yield more power than standard 93 octane gas. E85 can make more power and torque than 93 octane, so lots of motorists wanting more power end up utilizing E85 and its associated tune.

Now, in a nutshell, this is what is neccesary to run E85 properly:

  • Larger fuel injectors
  • Diablosport tuner
  • Custom Diablosport tune. Not the tune that the Diablosport comes with, you will need to have a custom tune written by a custom tuner.
  • Improved fuel pump

Each custom Diablosport tuner has their own unique requirements, so its best to start a discussion with a custom tuner to see what style of injectors and other associated parts they want.

Related Articles:

  1. Caliber SRT-4 owners – difference between Mopar stage 1 and Aem FIC packages.
  2. Modern Performance is becoming a Trifecta tune dealer for the 2005-2010 Cobalt 2.0/2.2 and 2.4!
  3. Trifecta Tunes now available to order for 2008-2010 Chevrolet Cobalt 2.0 Turbo
  4. Trifecta Tune for 2005-2007 Chevy Cobalt SS Supercharged now available at MP!
  5. Trifecta performance tune for Chevy HHR SS now available!
  6. Going big turbo? Your cars tune is critical, along with monitoring with an air/fuel mixture ratio gauge.
  7. Step by step process of installing an Diablosport Intune on a Neon SRT4.
  8. Multi-function Switch w/ Fog Lights 00-05 Neon / 03-05 Neon SRT-4 now in stock!

Written by Modern Performance

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Its a sad day to see a first gen Neon we worked on, in the junkyard soon to be crushed.

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