Buick Rainier 4.2 V8 279hp Tuning File
Performance Gains
Standard Power
279hp
Tuned Power
295hp
Power Gain
+16hp
Standard Torque
373Nm
Tuned Torque
395Nm
Torque Gain
+22Nm
Vehicle Details
Fuel Type: Petrol
Engine Capacity: 4157 CC
About This Tuning File
The Buick Rainier 4.2 V8 279hp (2004 - 2007) produces 279bhp and 373Nm in standard form. Our Stage 1 ECU tuning file raises output to 295bhp and 395Nm, a gain of 16bhp and 22Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.
Other Engine Variants
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