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The standard power of your Hummer H1 6.6 V8 305hp vehicle is factory 305 hp / 820 nm. After Hummer H1 chip tuning custom vehicle software, your vehicle will gain +20 hp / +30 nm additional power and reach a total power of 325 hp / 850 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.
Hummer H1 6.6 V8 305hp chip tuning stage1 file is completed in about 1-2 hours.
| Type of fuel | diesel |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 6599 CC |
| Compression ratio | 17.50 : 1 |
| Bore X stroke | 103.00 X 99.00 mm |
| Engine number | LLY |
| Engine ECU |
| Gearbox ECU |
