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Home / Tuning files / GMC / Sierra / 2008 - 2013 / 4.8 V8 302hp
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 4807 CC |
| Compression ratio | 8.80 : 1 |
| Bore X stroke | 96.00 X 83.00 mm |
| Engine number | L20 |
| Engine ECU | Ac Delco E38 |
| Gearbox ECU |
GMC Sierra 4.8 V8 302hp Stage1 Tuning File
We ensure that the 302 hp / 414 nm torque engine power produced by your GMC Sierra 2008 - 2013 model vehicle with the standard option software reaches 320 hp / 435 nm torque after the application of the customized GMC Sierra 2008 - 2013 vehicle software (GMC Sierra 2008 - 2013 Chip Tuning). After the +18 hp / +21 nm torque power increase, your vehicle's exhaust emission values do not change and do not smoke.
We enable you to use it safely by revealing the power that the factory has restricted due to parameters such as taxation system, sales policy and fuel quality, with licensed software. As a result of this process, there is no harm as the limits set by the factory are not exceeded.
The chip tuning software process to be applied to the engine of your GMC Sierra 2008 - 2013 vehicle takes an average of 1-2 hours, please contact us for more information.