GMC Sierra 3.0 Duramax 277 hp — Stage 1 file (+33 hp)
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Stage 1 file for GMC Sierra 3.0 Duramax 277 hp
Target +0 hp. Custom development for your engine.
Chip tuning for GMC Sierra 3.0 Duramax 277 hp ECU
GMC Sierra (2017) 3.0 Duramax 277 hp — mass-market diesel engine of the passenger segment of the General Motors group (США, 1911). Stage 1 chip tuning raises power from 277 to 310 hp (+33 hp, +12%) and torque from 624 to 690 Nm (+66 Nm). ECU — Delco E46. Flashing method: OBD or Bench depending on the unit's protection. The 2017 generation — mid-generation diesels on the EDC17 platform with OBD reading support and no need for Bench.
GMC is an American pickup and SUV brand, part of General Motors since 1909. GMC specialises in premium pickups (Sierra) and large SUVs (Yukon, Hummer EV). GMC shares platforms and engines with Chevrolet within GM. DPF/SCR with AdBlue is standard on modern Duramax engines. Duramax heads GM's diesel segment. Duramax is the proprietary Chevrolet/GMC diesel range for pickups and trucks.
LS-swap is an industry of its own (Chevy LS engines into any car). The US Chevrolet community is the largest for Camaro, Corvette and LS-swaps. HP Tuners is the primary tool for Chevrolet/GM in the US. High-output Chevrolet Camaro / Silverado offer solid headroom for Stage 1.
Frequently asked questions
What is the Stage 1 effect on the GMC Sierra 3.0 Duramax 277 hp?
After Stage 1 the power of the GMC Sierra 3.0 Duramax 277 hp rises from 277 to 310 hp, a gain of 33 hp (+12%). Torque rises from 624 to 690 Nm (+66 Nm).
How does Stage 1 differ from stock on the GMC Sierra?
Stage 1 is a software optimization of the factory ECU firmware of the GMC Sierra with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +33 hp with no hardware changes.
Do you need hardware changes for Stage 1 on the GMC Sierra?
The high-output GMC Sierra 3.0 Duramax 277 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.
What is Stage 2 for the GMC Sierra 3.0 Duramax 277 hp?
Stage 2 on the GMC Sierra 3.0 Duramax 277 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
What ECU platform does the GMC Sierra 3.0 Duramax 277 hp use?
The GMC Sierra 3.0 Duramax 277 hp is fitted with the Delco E46 ECU. The read method depends on the unit's protection: OBD, Bench via BDM, or Boot mode.
Does the factory warranty of the GMC Sierra remain valid after Stage 1?
After remapping the GMC Sierra, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the GMC Sierra?
Reading and writing via OBD takes 25-30 minutes on the GMC Sierra. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the GMC Sierra?
Before Stage 1 the original of the GMC Sierra 3.0 Duramax 277 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the GMC Sierra 3.0 Duramax 277 hp cost?
The remap price for the GMC Sierra 3.0 Duramax 277 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.