Delco E38 ECU Tuning
Engine control unit used in 15 supported models from 6 makes.
Cadillac with the Delco E38
All Cadillac tunes- Cadillac Escalade2006+6.2i V8 ESVAutoTuner
Chevrolet with the Delco E38
All Chevrolet tunes- Chevrolet Avalanche2001+5.3L, 6.0 V8 Vortec, 8.1 V8 VortecAutoTuner
- Chevrolet Camaro2011+6.2 V8 (Manual), 6.2i V8 ESVAutoTuner
- Chevrolet Corvette2005+C6, C7 · 6.0 V8, 6.2 V8AutoTuner
- Chevrolet Express2018+6.0 V8 LWBAutoTuner
- Chevrolet Silverado2007+GMT 900 · 5.3LAutoTuner
- Chevrolet SSR2003+6.0 V8AutoTuner
- Chevrolet Suburban2007+5.3AutoTuner
- Chevrolet Tahoe2006+5.3LAutoTuner
- Chevrolet Trailblazer2006+6.0 V8AutoTuner
GMC with the Delco E38
All GMC tunes- GMC Sierra2017+6.2 V8AutoTuner
- GMC Yukon2006+5.3L, 6.2i V8 ESVAutoTuner
Holden with the Delco E38
All Holden tunes- Holden Commodore2006+Fourth, VF · 6.0 V8, 6.2i V8 ESVAutoTuner
Hummer with the Delco E38
All Hummer tunes- Hummer H22003+6.2i V8AutoTuner
Pontiac with the Delco E38
All Pontiac tunes- Pontiac Torrent2006+3.4L, 3.6LAutoTuner
About Delco E38 tuning
The Delco E38 engine control unit is supported in 15 models from Cadillac, Chevrolet, GMC, Holden, Hummer, Pontiac. 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.