Syvecs S7i Plug & Play ECU Kit | Toyota Supra MK4 (A80) The Syvecs S7i Toyota Supra MK4 Plug & Play ECU Kit is a professional-grade engine management solution designed for the legendary 2JZ-GTE. While the S7Plus is the flagship flagship, the S7i provides the same laboratory-grade processing and logic for the 2JZ platform, offering a high-performance path to total engine authority without the cost of the additional I/O found in the larger units. Built on a triple-processor architecture with a dedicated FPGA, the S7i manages engine position tracking with microsecond precision. This is critical for high-RPM stability and ensures that ignition and injection timing remain rock-solid, even when running the extreme boost levels synonymous with the Supra MK4. Comprehensive 2JZ & Chassis Integration The Syvecs S7i is designed to modernize the Supra’s electronics while respecting its heritage: Sequential Turbo Support: Advanced logic to manage the factory sequential turbocharger transition for a smooth, wide power band. Direct Fit PnP: Plugs directly into the OEM wiring loom. The S7i is housed in a direct-fit enclosure, making installation clean, secure, and reversible. 12-Position Map Switching: Toggle between engine calibrations (boost levels, traction strategies, or fuel types) on the fly using a 12-position switch or the factory cruise control buttons. VVTi Control: Complete, high-resolution authority over the Variable Valve Timing (on 1997+ models) to optimize spool-up and top-end power. Performance & Safety Features Rolling Anti-Lag: Build instantaneous boost while cruising at a steady speed—eliminating turbo lag and providing explosive acceleration for roll racing. Flex Fuel Integration: Automatic, real-time mapping adjustments based on Ethanol content (E85). The ECU scales fuel, ignition, and boost targets based on the specific ethanol percentage in the tank. Proprietary Traction Control: Advanced motorsport logic utilizing individual wheel speed monitoring to manage the 2JZ's massive torque, far surpassing any 1990s-era factory system. Individual Cylinder Knock Control: Sophisticated closed-loop knock detection for each cylinder, allowing you to push the RB26/2JZ safely to its absolute limit. Technical Specifications Feature Details Model Compatibility Toyota Supra MK4 (JZA80) - Non-VVTi & VVTi Engine Support 2JZ-GTE / 2JZ-GE (NA-T conversions supported) Connectivity 100MHz Full Duplex Ethernet (Fastest data transfer in the industry) I/O Configuration 16 x Analogue Inputs, 18 x High/Low Side Outputs Data Logging Internal Memory (Up to 1000Hz per channel) Ignition 6 x TTL Ignition Drivers (Supports R35/Audi Coil Conversions) The Ultimate Safety Net The S7i acts as a high-speed insurance policy for your 2JZ. The ECU features sophisticated Safety Trip logic that monitors fuel pressure, oil pressure, coolant temperature, and individual cylinder knock in real-time. If a sensor value exceeds safe limits—such as a fuel pressure drop during a high-boost pull—the ECU instantly triggers a safety strategy (fuel cut or boost reduction) to prevent catastrophic engine failure.FOR MAPPING / CALIBRATION SERVICES CONTACT US HERE
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