Rimappatura GMC Sierra 5.3 V8 326HP
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Your Vehicle

GMC Sierra

GMC Sierra 5.3 V8 326HP

Fuel Type
Benzina
Original Power
326 hp
Original Torque
472 Nm
Generation
2008 - 2013

Technical Specifications

Engine Code
LMG
ECU Type
Delco E83
Compression Ratio
9.9:1
Alesaggio x Corsa
96.0 X 92.0 mm

Power hp

Original
326hp
Modified
345hp
Difference
+19hp

Torque Nm

Original
472Nm
Modified
495Nm
Difference
+23Nm

Power Graph

Power after remapping 345hp
Torque after remapping 495Nm

GMC Sierra 5.3 V8 326HP: da 326 a 345HP

 
Original
Modified
Difference
hp
326hp
345hp
+19hp
Nm
472Nm
495Nm
+23Nm

Remapping GMC Sierra

MasterTuning is a leader in developing remapping for GMC. La GMC Sierra 5.3 V8 326HP può passare da 326 HP a 345 HP con un incremento di 19 HP.

The development of each remap is customized by MasterTuning.

  • 100% tested and customized files guarantee
  • Tested and developed on a 4x4 dyno
  • Best performance, within safety margins
  • Reduced fuel consumption

ECU Remapping Details GMC Sierra 5.3 V8 326HP

The GMC Sierra 5.3 V8 326HP is equipped with a petrol engine that produces 326 HP and 472 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this GMC can achieve 345 HP (+6%) and 495 Nm (+5%).

Our Stage 1 tuning for the Sierra 2008 - 2013 delivers an impressive gain of +19 HP and +23 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.

The engine code LMG identifies this specific powerplant configuration. The Delco E83 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.

With 326 HP from factory, this GMC Sierra is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.

Frequently Asked Questions - GMC Sierra

How much power can I gain from remapping my GMC Sierra?

With MasterTuning Stage 1, your GMC Sierra 5.3 V8 326HP can gain +19 HP (from 326 to 345 HP) and +23 Nm of torque. This represents a 6% increase in power.

Is ECU remapping safe for the GMC Sierra engine?

Yes, MasterTuning's remapping for the GMC Sierra 5.3 V8 326HP is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the LMG engine.

Is the GMC ECU remapping reversible?

Absolutely. The original factory calibration of your GMC Sierra is always backed up before remapping. The process is 100% reversible at any time.

Will remapping affect my GMC warranty?

ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.

Configure Your Quote

Estimated quote - Final price will be confirmed after request

GMC Sierra 5.3 V8 326HP
Benzina Delco E83
Originale
326 HP
Stage 1
345 HP
+19 HP / +23 Nm
Stage 2
345 HP
+19 HP / +23 Nm
Stage 1
+19 HP / +23 Nm
399€
Stage 2
+19 HP / +23 Nm
399€+
Estimated Total
399€
Final price upon confirmation
GMC Sierra 5.3 V8 326HP 326 → 345 hp (+19)
GMC Sierra 5.3 V8 326HP
326 CV 345 CV (+19 HP)
from 399€

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GMC Sierra 5.3 V8 326HP

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