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The standard power of your Buick Rainier 4.2 V8 279hp vehicle is factory 279 hp / 373 nm. After Buick Rainier chip tuning custom vehicle software, your vehicle will gain +16 hp / +22 nm additional power and reach a total power of 295 hp / 395 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.
Buick Rainier 4.2 V8 279hp chip tuning stage1 file is completed in about 1-2 hours.
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 4157 CC |
| Compression ratio | 10.00 : 1 |
| Bore X stroke | 93.00 X 102.00 mm |
| Engine number | LL8 |
| Engine ECU |
| Gearbox ECU |
