Hummer H3 — Stage 1 / Stage 2 parameters
hp
Stage 1 file for Hummer H3
Target +0 hp. Custom development for your engine.
Все двигатели Hummer H3 в базе
| Engine | Version | ECU | Stock | Stage 1 | Gain |
|---|---|---|---|---|---|
| 3.5i 220 hp | 2005 | Delphi 12597521 | 220 hp | 230 hp | +10 |
| 3.7i 242 hp | 2005 | Delco E67 | 242 hp | 255 hp | +13 |
| 5.3L 305 hp | 2005 | — | 305 hp | — | — |
| 5.8i V8 300 hp | 2005 | — | 300 hp | — | — |
Hummer H3 — 4 engines in our calibration database (all petrol). 220–305 hp stock → up to 255 Stage 1 model year 2005. The parameters are drawn from our engineers' work — every Stage 1 target is backed by a real file.
Hummer belongs to General Motors — GM. Typical group platforms: GM Alpha, GM Omega, GM-T1XX. Files often carry over between sibling models. On Hummer H3 models in our database you'll find these ECU families: Delphi DCM. Calibration is done in WinOLS5 for the specific unit with automatic checksum recalculation.
Stock / Stage 1 / gain — all the figures are in the table below. Click an engine to see the details and place an order. Available options: DTC off, Lambda off, Catalyst off (for downpipe), Pop&Bang (for turbo), Speed limiter off, Hot start fix. The file is prepared in 30-60 minutes on the CHIPOK portal, paid with credits and no subscription fees.
Hummer H3 engines in our database: 3.5 I5 220 hp, 3.7 I5 242 hp, 5.3 V8 304 hp (H3 2005-2010). Specific ECU units: 12597521, E67. Model-specific notes: Hummer H3 (2005-2010) — compact Hummer GMT345 based on Colorado/Canyon; 5.3 V8 Delco E67 304 hp → Stage 1 355 hp; 12597521 — Delco ECU H3T pickup; discontinued 2010; HUMMER EV (GM EV, 2021+) — electric revival.