McLaren Applied became an official supplier to IndyCar in 2007 and has been the sole supplier of electronic control units (ECUs) since 2010. Support for the Verizon IndyCar series and its current engine suppliers, Honda and Chevrolet, is handled from our regional office in Huntersville, North Carolina The TAG-400i ECU, is an evolutionary device featuring additional elements tailored to IndyCar’s unique requirements. We are also an approved supplier of sensors for the series.

McLaren Applied celebrated 10 years of IndyCar partnership at the Indy500 in 2017.

The TAG-400i is a compact, self-contained engine management system and data logger for race engines. The unit is an evolution of the TAG-400 which has been used successfully in racing applications throughout the world. The TAG-400i has extended functionality with increased processing power and I/O capability.

The TAG-400i exploits Power PC technology, but with an uprated processor that now offers more than six times the application processing power than the TAG-400, providing a powerful and flexible platform for extracting the optimum performance from an engine.

The TAG-400i can be offered as part of a turnkey system or can support customer prepared applications autocoded from Simulink models using our Graphical Development Environment (GDE).