GMC Sierra 6.2 V8 403hp chiptuning
2008 (2013) · Petrol · ECU: Delco E38
Stage 1: +22 hp & +20 Nm
GMC Sierra 6.2 V8 403hp · 403 hp · 565 Nm
Power+22 hp · +5%
Stock403hp
Stage 1425hp
Torque+20 Nm · +4%
Stock565Nm
Stage 1585Nm
Engine ECU
Read methods
Available options
With an individually developed Stage 1 tuning file, the GMC Sierra 6.2 V8 403hp with 403 hp and 565 Nm gets 425 hp and 585 Nm – an increase of +22 hp (5%) and +20 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 | 6162 CC |
| Compression ratio | 10.7 : 1 |
| Bore × stroke | 103.3 X 92.0 mm |
| Engine code | LS3 |
Other engines: GMC Sierra 2008 (2013)
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