Variant 1
ECU- Catalog engine
- 6000 367HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 367 HP
- ECU SW
- 12617631
- SW upgrade
- 12622205
CHEVROLET · E38 ECU
CHEVROLET SILVERADO E38 tuning files
Everything we work with on the CHEVROLET SILVERADO fitted with the E38. The matched variants sit between 300 and 367 HP from the factory. 8 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Applicable work for the E38 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
8 distinct variants for the CHEVROLET SILVERADO on the E38 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 6000 367HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 367 HP
- ECU SW
- 12622161
- SW upgrade
- 12623207
Variant 3
ECU- Catalog engine
- 6000 367HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 367 HP
Variant 4
ECU- Catalog engine
- 5300 315HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 315 HP
- ECU SW
- 12630501
- SW upgrade
- 12651291
Variant 5
ECU- Catalog engine
- 5300 315HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 315 HP
Variant 6
ECU- Catalog engine
- 5300 315HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 315 HP
- ECU SW
- 12639835
- SW upgrade
- 12639957
Variant 7
ECU- Catalog engine
- 5300 305HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 305 HP
Variant 8
ECU- Catalog engine
- 4800 300HP
- Controller brand
- DELCO
- ECU
- E38
- Stock power
- 300 HP
Related vehicles
Other vehicles built on the E38 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the CHEVROLET SILVERADO on the E38?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the E38 ECU software on this model?
Yes — the CHEVROLET SILVERADO on the E38 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.