M77 Performance E-Tune Two Fuels
Unlock full performance and flexibility with a dual-fuel custom tune from M77 Performance.
This package includes two fully customized tunes — ideal for customers who run both pump gas and ethanol blends (e.g., 93 + E30 or E85). Save $100 by bundling both tunes now.
What’s included:
– Two custom tunes (example: 93 + E30 / 93 + E85 / E30 + E85)
– Mod-specific calibration
– Datalog review & optimization
– Base map + up to 2 revisions per fuel
– Delivery via email within 3–5 business days
– Full support through the tuning process
Requirements:
– Compatible laptop (Windows preferred)
– Tuning adapter (e.g., OpenPort 2.0 or equivalent)
– Tuning software installed (instructions provided)
– Stable mechanical condition (engine, sensors, etc.)
– Wideband recommended for ethanol setups
After Purchase:
You’ll receive an email with a link to our tuning intake form where you’ll upload:
– Vehicle year/make/model
– Full mod list
– ROM ID / ECU readout
– Requested fuels
– Optional datalogs
Once submitted, we’ll begin building your custom maps.
Important Disclaimer:
This tune is for off-road use only. By purchasing, you agree:
– You are solely responsible for ensuring your vehicle is in safe mechanical condition.
– M77 Performance is not liable for any damage or misuse.
– You understand this product may not comply with local emissions laws.
– You must agree to our full Terms of Service before checkout.

