Ethanol Blend Tune Add-on

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Ethanol Blend Add-On The Ethanol Blend Add-On provides a revision to your existing tune if you decide to switch to running an ethanol blend (E30, E40, or full E85) after your origi nal calibration. How It Works Designed for customers who already have an active or completed eTune with us. Once you’re ready to run ethanol or E85, purchase this add-on and provide your updated fuel setup. Includes revised calibration and datalog-driven adjustments for the blend or full E85 you plan to run. Customer must provide accurate ethanol content (tested with an ethanol tester or sensor) to ensure safe tuning. Important Notes Applies only to revisions for ethanol blends or E85 on an existing tune purchased from us. Vehicle must be mechanically sound with fuel system components capable of supporting ethanol/E85. If additional supporting mods (fuel pump, injectors, turbo, etc.) are added at the same time, a new tune package may be required. Non-refundable once the revised calibration file has been sent. Show more