Tuning file specifications

GMC Sierra 6.2 V8 420hp

Stock power
420HP
Tuned power
440HP
Stock torque
609Nm
Tuned torque
630Nm

Power (HP) · +20 HP

Stock420 HP
Tuned440 HP

Torque (Nm) · +21 Nm

Stock609 Nm
Tuned630 Nm

Info

FuelPetrol
Engine ECUDelco E92

Technical engine data

Compression11.5 : 1
Bore x Stroke103.3 X 92.0 mm
Engine numberL86

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

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