Silvia — Stage 1 ECU Tune
- 48% power increase to 138kW
- 67% torque increase to 224Nm
- Improved fuel efficiency
- Enhanced boost control response
- Optimized fuel delivery mapping
- Refined engine behaviour and responsiveness
This 2002 Silvia came in running the factory SR20 setup and left with a proper Haltech standalone doing the work. The brief was straightforward: sort out the fuelling, get the boost control locked in, and build a safe, repeatable map on 98 RON for closed-circuit use.
The calibration leaned on upgraded injectors and a high-pressure pump to support the extra load, with boost solenoid and wastegate tuning dialled in through the Haltech. Drive-by-wire calibration was sorted to keep throttle response clean under higher duty cycles. Dyno figures came back at 138 kW and 224 Nm at the wheels, up from 93 kW and 134 Nm.
It's a solid Stage 1 foundation with no metalwork required. The file reflects measured load limits and leaves room to grow if the owner decides to step up the hardware down the track.
Why the jump to a standalone ECU for a Stage 1 build?
The Haltech platform gave full control over fuel, ignition, boost, and drive-by-wire without the limitations of a factory ECU flash. It also means the calibration can scale with future upgrades without starting from scratch.
What's needed hardware-wise to run this file?
High-pressure fuel pump, larger injectors, boost solenoid, and wastegate control as listed. No turbo or internal changes required — it's a software-only stage once the supporting fuel and boost hardware is fitted.
Is this safe for street use or just track?
The tune is intended for off-road and closed-circuit competition. The calibration is conservative on 98 RON, but the power and torque increase puts it outside typical street use parameters.
Workshop & Dealer Access
Protunes supplies ECU calibration files exclusively to approved workshops, tuners, and dealers throughout Australia. Platform: Haltech.
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