Subaru's BRZ sports coupe is set to get a factory-developed turbocharger, according to reports from the US.
The Autoblog.com website says it has been told that a blown 2.0-litre engine is being developed using a single twin-scroll turbocharger and direct injection.
It speculates that such an engine could generate up to 209kW of power and 340Nm of torque – almost identical in output to a six-cylinder Holden Commodore SV6 (210kW/350Nm). The current BRZ is a massive 445kg lighter than the Commodore.
Put another way, the BRZ turbo would produce around 169kW per tonne – only slightly less than a Porsche 911 Carrera coupe (174kW/tonne). The 911 Carrera sprints to 100kmh in 4.8 seconds.
The existing naturally aspirated BRZ makes 147kW and 205Nm from its naturally aspirated 2.0-litre engine, a power-to-weight ratio of 118kW/tonne. It reaches 100km/h in about 6.1 seconds.
From the moment the BRZ and its co-developed Toyota brother, the 86, were released, aftermarket tuners turned their attention to turbocharging, supercharging and any other aftermarket tweaks to lift performance.
Glowing media reviews of both cars have regularly praised their sublime handling, crisp steering and excellent gearboxes, while bemoaning the lack of extra urge that the well-sorted chassis seems to have been built to take.
The turbocharged BRZ is unlikely to go into production until 2014, automotivenews.com reports.
-Fairfax News Australia
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