Patrol — Stage 2 ECU Tune
- Refined power delivery optimized for engine and transmission combination
- Smooth throttle response and drivability
- Enhanced daily commuting capability
- Improved reliability and longevity of modified powertrain
- Balanced performance for varied driving conditions
This 2002 Patrol arrived with a full LS-based drivetrain conversion: L98 6.0L V8 and 6L80 six-speed auto. The challenge wasn't chasing big numbers but making the swap work properly—getting the engine and transmission to communicate, ironing out drive quality, and calibrating everything to suit the Patrol's weight and intended use.
Stage 2 work focused on ECU tuning and calibration to match the swapped hardware. Final result was 130 kW at the wheels and 353 Nm, measured on the workshop dyno. Not a high-strung build, but a clean, usable touring package for long-distance work and towing duty where the 6L80's ratio spread and the V8's low-end response make a real difference.
Calibration addressed torque management, shift scheduling, and part-throttle refinement—areas that matter more on the highway than peak power. Good foundation for a reliable tourer.
Why the L98 instead of a higher-output LS variant?
The L98 is an alloy-block VE-series engine with good availability and proven reliability. For a touring 4WD, the priority was durability and parts access rather than outright power.
Does the 6L80 need standalone control or can it integrate with the ECU?
Integration depends on the ECU platform used. Most swaps either run a standalone transmission controller or use an ECU that can handle both engine and trans calibration natively.
Is 130 kW at the wheels typical for a stock L98?
Yes, for a factory L98 with basic calibration work. These engines made around 260 kW at the flywheel when new, so drivetrain losses bring wheel figures into that range once properly tuned.
Workshop & Dealer Access
Protunes supplies ECU calibration files exclusively to approved workshops, tuners, and dealers throughout Australia.
Apply for Workshop Access