GMC — Stage 1 / Stage 2 parameters database

The CHIPOK database holds 32 engines for GMC with reverse-engineered ECUs and Stage 1 / Stage 2 target parameters. We cover 7 models — from early generations to current platforms. A predominantly petrol lineup.

Choose a model

Models7

Engines32

ECU makersDelco and Bosch

File turnaround30–60 min

or choose step by step

Choose a vehicle type

GMC models in the database (7)

GMC Sierra

11 engines avg. +26 hp

→

2.7 Ecoboost 310 hp·3.0 Duramax 277 hp·3.0 Duramax 281 hp·4.3i V6 285 hp·5.3i V8 355 hp·5.3i V8 EcoTec3 360 hp more 5

GMC Yukon

6 engines avg. +20 hp

→

3.0 Duramax 277 hp·3.0 Duramax 281 hp·5.3i V8 355 hp·5.3i V8 EcoTec3 360 hp·6.2L V8 426 hp·6.2L V8 EcoTec3 426 hp

GMC Acadia

5 engines avg. +18 hp

→

2.0T (gmc) 230 hp·2.5i 193 hp·3.0 Duramax 277 hp·3.6L V6 275 hp·3.6 V6 310 hp

GMC Terrain

4 engines avg. +30 hp

→

1.5T 170 hp·1.6d 137 hp·2.4L 16V Ecotec 182 hp·3.0L V6 24V 264 hp

GMC Canyon

3 engines avg. +10 hp

→

2.8 Duramax 181 hp·3.6 V6 310 hp·3.6 V6 323 hp

GMC Envoy

2 engines

→

4.2i 24V 275 hp·4.2L 295 hp

GMC Savana

1 engine avg. +10 hp

→

4.3i V6 285 hp

About GMC chip tuning

Engines and platforms:

Main engines: L5P 6.6L Duramax, L83/L86 5.3L/6.2L V8, LM7 5.3, LBZ 6.6 Duramax
Platforms: GMT800, GMT900, T1XX

Supported ECUs:

Manufacturers: Delco and Bosch
Specific GMC units in the database: GM E37, E38, E40, E41, E78, E80, E92, EXP-series, Bosch EDC17CP09 (LML), ENG18 (L5P)
GMC specifics: GM E41/E80/EXP — Sierra/Yukon 6.2L Stage 1 up to 480 hp

Available options:

Service terms:

Calibrations are done by hand in WinOLS5 + Ghidra for each specific control unit
Checksums are recalculated on the engineer's side — the file is ready to flash with a current programmer
File returned within 30-60 minutes during working hours
Free revisions based on an OBD log