GMC Sierra 4.8 V8 302hp chiptuning
2008 (2013) · Petrol · ECU: Delco E38
Stage 1: +18 hp & +21 Nm
GMC Sierra 4.8 V8 302hp · 302 hp · 414 Nm
Power+18 hp · +6%
Stock302hp
Stage 1320hp
Torque+21 Nm · +5%
Stock414Nm
Stage 1435Nm
Engine ECU
Read methods
Available options
With an individually developed Stage 1 tuning file, the GMC Sierra 4.8 V8 302hp with 302 hp and 414 Nm gets 320 hp and 435 Nm – an increase of +18 hp (6%) and +21 Nm. The file is created by our tuning engineers for your exact software version on the Delco E38 ECU and is delivered via our file service portal in 5–15 minutes. Options such as DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map can be combined in the same file.
Values are guide values from our dyno and comparable vehicles. Actual results depend on condition, hardware and fuel quality. Use only where legally permitted.
Technical data
| Fuel | Petrol |
| Displacement | 4807 CC |
| Compression ratio | 8.8 : 1 |
| Bore × stroke | 96.0 X 83.0 mm |
| Engine code | L20 |
Other engines: GMC Sierra 2008 (2013)
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