GMC Sierra 4.8 V8 302hp

Stock vs. Tune Maps remap

Measured values for the GMC Sierra 4.8 V8 302hp.

	Stock	Remap	Difference
Power	302 HP	320 HP	+18 HP
Torque	414 Nm	435 Nm	+21 Nm

From the factory the GMC Sierra with the 4.8 V8 302hp engine (2008 - 2013) delivers 302 HP and 414 Nm on petrol. With a Tune Maps remap the calibration is optimised to 320 HP and 435 Nm – that is 6% more power and 5% more torque, while staying within safe limits for engine and drivetrain. The engine is controlled by a Ac Delco E38 ECU.

Measured values. Results can vary with vehicle condition, fuel quality and hardware.

Engine & ECU data