LEXUS SC 430 4.3L V8 (2002 to 2010) - STAGE 1 PERFORMANCE SOFTWARE TUNE+ OBD2 CABLE + FLASHING SOFTWARE

OVERVIEW

The second generation Lexus SC 430 combines classic naturally aspirated V8 power, refined grand touring comfort, and strong long-term reliability, making it an excellent platform for a clean ECU calibration. Powered by the 4.3L 3UZ-FE V8, the SC 430 benefits from improved throttle response, sharper drivability, and stronger torque delivery throughout the rev range.

Our AMT performance software is designed to improve engine response, optimize drivability, and deliver stronger usable performance while maintaining smooth and reliable operation for daily use.

STAGE 1 CALIBRATION

Stage 1 consists of an individual recalibration of the engine management system, including optimization of key parameters such as ignition, fueling, throttle response, torque control, and related ECU strategies.

This tune is intended for stock or lightly modified vehicles and is developed to improve performance and drivability while remaining within sensible operating limits for the platform.

STAGE 2 CALIBRATION

Stage 2 is intended for vehicles equipped with supporting intake and exhaust modifications that improve airflow. The calibration is adjusted accordingly to take advantage of the hardware changes and deliver stronger overall performance.

Typical Stage 2 supporting hardware includes cold air intake, freer flowing exhaust components, and high flow catalytic or catless exhaust configurations where applicable.

KEY FEATURES

• Improved throttle response
• Stronger torque delivery
• Enhanced drivability and responsiveness
• ECU individually reprogrammed
• Optimized performance calibration
• Smooth and reliable operation for daily use
• Optimized for premium fuel
• Original file stored for return to stock capability

PERFORMANCE

2002 to 2005 SC 430

4.3L V8 3UZ-FE / 5-Speed Automatic

2006 to 2010 SC 430

4.3L V8 3UZ-FE / 6-Speed Automatic

RECOMMENDED PARTS

Stage 1
K&N style drop in panel filter

RECOMMENDED PARTS FOR STAGE 2

Stage 2
Cold air intake
Freer flowing exhaust system
High flow cats or catless exhaust setup where applicable

VEHICLE INFORMATION

Production Date: 2002 to 2010
Chassis Code: UZZ40
Engine: 4.3L V8
Engine Code: 3UZ-FE
Transmission 2002 to 2005: 5-speed automatic
Transmission 2006 to 2010: 6-speed automatic
Programming Tool: BitBox Slave BBS
Programming Method: ECU reflash via BitBox software

PROGRAMMING OPTIONS

BitBox Slave BBS flashing software: YES
Vehicle can be tuned through supported ECU reflash method: YES

BITBOX SLAVE FLASHING SOFTWARE

BitBox Slave is ECU reflash software that allows identification, reading, and writing of ECU internal flash memory. It operates through CAN bus or K-line using a J2534 pass-thru adapter.

This setup is intended for supported vehicle flashing and allows the ECU to be programmed with the AMT calibration using the required BitBox Slave workflow.

IMPORTANT NOTES

• Stage 1 and Stage 2 output figures above use AMT approximate gain targets for this platform
• Final gains may vary depending on fuel quality, hardware, ECU software version, and overall vehicle condition
• Please contact us before ordering if you would like confirmation for your exact vehicle and ECU version
• Premium fuel is recommended for best results