Tuning file specifications

GMC Sierra 5.3 V8 326hp

Stock power
326HP
Tuned power
345HP
Stock torque
472Nm
Tuned torque
495Nm

Power (HP) · +19 HP

Stock326 HP
Tuned345 HP

Torque (Nm) · +23 Nm

Stock472 Nm
Tuned495 Nm

Info

FuelPetrol
Engine ECUDelco E83

Technical engine data

Compression9.9 : 1
Bore x Stroke96.0 X 92.0 mm
Engine numberLMG

All figures are dyno tested values. Results may vary depending on vehicle condition, fuel quality and hardware.

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