Listen to this article After winning last year’s GT300 title for the first time, the R&D Sport-run Subaru outfit has been busy upgrading its BRZ for the 2022 campaign, showing off its revised machine last week during a shakedown event at Fuji Speedway. Chief among the changes are a revised front bodywork section, designed to increase straight line performance, and a new ECU for the car’s two-litre, four-cylinder turbo engine. Read Also: The BRZ uses the same base EJ20 engine that Subaru once deployed in its World Rally cars, with team manager Masahiro Ozawa also having been part of that project as an engineer. Subaru driver Takuto Iguchi, who was in charge of shaking down the BRZ at Fuji, noted that the change in ECU has left the car facing a shortfall in straight line speed which may take time to alleviate. “We are starting from scratch, so to be honest we haven’t been able to set it up correctly yet and we haven’t reached our previous engine performance,” admitted Iguchi. “I think we have to set it up during testing to reach at least the same level as last year, otherwise we won’t be competitive.” But Ozawa said he was convinced the time to replace the ECU had come, as it had been using the previous unit for so long. “Up to now we had continued using the same ECU as we had during the WRC era, since around 2003,” he said. “It’s …