Buick Rainier 2004 – 2007 5.3 V8 304hp

Original After tuning Result
Power: 304 hp 321 hp + 17 hp
Torque: 447 Nm 471 Nm + 24 Nm

The above result is an average of the measurements taken

Stage 1

Stage 1 chip tuning is the modification of existing engine software. This increases the power of the motor. Stage 1 chip tuning is a reliable and safe way of tuning that is always custom made by our own specialists.

Engine specifications

Type of fuel Petrol
Method Chiptuning
Tuningtype Stage 1
Cylinder content 5327 CC
Compression ratio 9.9 : 1
Bore X stroke 92.1 X 92.0 mm
Engine number 5300 Small Block
Engine ECU

Why you choose us?

  • Custom tuning, tailored to your wishes
  • More speed, efficiency or power
  • Years of fun guaranteed
  • Service & quality
DTC Removal;

Why you choose us?

  • Custom tuning, tailored to your wishes
  • More speed, efficiency or power
  • Years of fun guaranteed
  • Service & quality

Get in touch with us


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