Hummer H2 — Stage 1 / Stage 2 parameters

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Все двигатели Hummer H2 в базе

Engine Version ECU Stock Stage 1 Gain
6.0i V8 325 hp 2003 325 hp
6.2i V8 398 hp 2003 Delco E38, Delco E67 398 hp 410 hp +12

Hummer H2 — 2 engines in our calibration database (all petrol). 325–398 hp stock → up to 410 Stage 1 model year 2003. 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. Typical ECUs for this group lineup: GM E78, E80, E92 (Bosch-based).

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 H2 engines in our database: 6.0 Vortec V8 325 hp, 6.2 V8 393 hp (H2 2002-2009). Specific ECU units: E38, E67. Model-specific notes: Hummer H2 (2002-2009) — SUV GMT820 based on Chevrolet Tahoe; 6.2 V8 Delco E38 393 hp → Stage 1 455 hp; width 2194 mm — wider than a lane; discontinued 2009; fuel tank 121 L; iconic symbol of off-road/excess.

Last updated: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno