DuramaxTunedAI EFILive — Stop Guessing. Start Tuning Your Duramax with EFILive.

Stop Guessing. Start Tuning Your Duramax with EFILive.

Built for GM Duramax diesel — LB7 through L5D. Reads your EFILive logs. Breaks down what the truck is doing and tells you exactly what direction to go — no guessing.

I've been using it daily for about 2 years now and it turned into something that's actually really solid. It's helped over 267 people so far — and it works the same whether you're running HP Tuners or EFILive.

Get DuramaxTunedAI — $74.99

267+ Tuners Helped | 2+ Years Daily Use | Tested by Well-Known Tuners — Couldn't Break It

How It Works

Step 1 — Upload Your EFILive Log: Pull your log with EFILive and drop it into DuramaxTunedAI. No setup, no config — just the log.

Step 2 — AI Reads the Diesel Data: It reads fuel rail pressure, VGT behavior, EGTs, boost, and transmission data from your EFILive log — not guessing, reading.

Step 3 — Get Exact Table-Change Direction: Know exactly what to adjust and which direction to go. No more guessing at smoke limiters, torque models, or VGT maps.

This is NOT ChatGPT

ChatGPT is a large language model. DuramaxTunedAI is a custom GPT trained specifically to tune Duramax diesel engines. It reads the actual data from your EFILive log and has safety limits built in — fuel-supply checks, CP4 protection, EGT limits, boost-stability checks, turbo-speed safeguards. If the data don't support changes, it won't give them.

EFILive users get the same full analysis as HP Tuners users. Same platform, same safety limits, same exact table-change direction.

What it will NOT do: treat smoke as a tuning goal — dump fuel without air — ignore EGTs — overlook fuel supply issues — recommend power on a slipping transmission.

"I've had a few well known tuners test it and try to break it and they couldn't get it to give bad info."

What It Fixes

Fuel Rail Pressure | VGT Airflow | Smoke Limiters | EGT Control | Turbo-Speed Protection | Transmission Intervention | Boost Stability | CP4 Protection

What You Need

✓ EFILive Hardware & Software (FlashScan V2 or AutoCal)   ✓ Internet Connection   ✓ ChatGPT Plus subscription ($20/month) — required to access the custom GPT

Ready to Stop Guessing on Your Duramax?

If you're running EFILive and having issues — or just want to see what direction to go — drop your log in and it'll tell you exactly what the truck is doing and what to change.

Get DuramaxTunedAI — $74.99 one-time