Delco E81 ECU Tuning
Engine control unit used in 4 supported models from 2 makes.
Cadillac with the Delco E81
All Cadillac tunes- Cadillac CT62020+3.0 V6AutoTuner
Chevrolet with the Delco E81
All Chevrolet tunes- Chevrolet Blazer2019+3.6 V6AutoTuner
- Chevrolet Camaro2011+3.6 V6AutoTuner
- Chevrolet Traverse2009+3.6 V6AutoTuner
About Delco E81 tuning
The Delco E81 engine control unit is supported in 4 models from Cadillac, Chevrolet. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.