2008: The SR8 LM debuted with a 2.7L RPE V8 engine producing around 455 hp. The car was based on Radical's lightweight, high-downforce chassis and featured advanced aerodynamics with a large rear wing, front splitter, and side air intakes. It was designed for professional track use and came equipped with fully adjustable suspension, race-grade brakes, and a sequential gearbox.
2009: Radical made slight adjustments to improve engine durability and performance. This year, the SR8 LM set a Nürburgring Nordschleife record for a production-based car, achieving a lap time of 6:48, which brought significant attention to the model. Radical continued refining aerodynamics for optimal stability at high speeds, focusing on minor chassis reinforcements for added rigidity.
2010: Radical upgraded the SR8 LM’s cooling system and made adjustments to the ECU tuning for better throttle response and power delivery. Optional lightweight body panels became available, further reducing weight for improved acceleration and handling on the track.
2012: Radical introduced the upgraded 2.8L RPE V8 engine option, pushing power output to 460 hp. This engine update provided even greater performance and a higher redline, allowing for quicker lap times. Radical also made improvements to the braking system, offering better heat dissipation and durability for endurance events.
2014: he SR8 LM received enhanced suspension components with increased adjustability, allowing drivers and teams more fine-tuning options for various track conditions. Radical also updated the steering system for better feedback and precision, improving the car’s handling and driver engagement on the track.
2015: Radical introduced an improved electronics package, including advanced data-logging and telemetry features, which provided drivers and teams with real-time performance data. Minor ergonomic updates were made to the cockpit, enhancing driver comfort for long track sessions, though the focus remained on track performance.
2017: The final year of the SR8 LM's production included minor adjustments to ensure reliability and maintain performance standards. Radical focused on reinforcing proven components and integrating further lightweight materials in preparation for the next generation of Radical race cars.