Hummer H3 5.3 V8 300hp chiptuning
2006 (2010) · Petrol · ECU: Delco E38 / Delco E67
Stage 1: +20 hp & +20 Nm
Hummer H3 5.3 V8 300hp · 300 hp · 430 Nm
Power+20 hp · +7%
Stock300hp
Stage 1320hp
Torque+20 Nm · +5%
Stock430Nm
Stage 1450Nm
Engine ECU
Read methods
Available options
With an individually developed Stage 1 tuning file, the Hummer H3 5.3 V8 300hp with 300 hp and 430 Nm gets 320 hp and 450 Nm – an increase of +20 hp (7%) and +20 Nm. The file is created by our tuning engineers for your exact software version on the Delco E38 / Delco E67 ECU and is delivered via our file service portal in 5–15 minutes. Options such as DTC Removal 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 | 5328 CC |
| Compression ratio | 9.6 : 1 |
| Bore × stroke | 96.0 X 92.0 mm |
| Engine code | LH8 |
Other engines: Hummer H3 2006 (2010)
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