GMC Sierra 6.6 Duramax 365hp chiptuning
1999 (2007) · Diesel · ECU: Bosch EDC16C42 / Bosch EDC16C41
Stage 1: +30 hp & +51 Nm
Engine ECU
Read methods
Available options
With an individually developed Stage 1 tuning file, the GMC Sierra 6.6 Duramax 365hp with 365 hp and 894 Nm gets 395 hp and 945 Nm – an increase of +30 hp (8%) and +51 Nm. The file is created by our tuning engineers for your exact software version on the Bosch EDC16C42 / Bosch EDC16C41 ECU and is delivered via our file service portal in 5–15 minutes. Options such as Adblue, DPF OFF, DTC Removal, EGR OFF 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 | Diesel |
| Displacement | 6599 CC |
| Compression ratio | 16.8 : 1 |
| Bore × stroke | 103.0 X 99.0 mm |
| Engine code | LMM |
Other engines: GMC Sierra 1999 (2007)
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