Scion FR-S Turbo caught testing at Laguna Seca

Article by Christian A., on January 4, 2012

The Scion FR-S prototype was recently spied at Mazda Raceway Laguna Seca. The Subaru-derived 200-horsepower 2.0-liter four-cylinder 4U-GSE boxer appears to have been tweaked to produce more horsepower as it’s obvious that this white car was turbocharged. This vehicle is part of the Toyota-Subaru collaboration to make the U.S. bound 2013 Scion FR-S and its Subaru BRZ twin.

It can be concluded that since both the white-winged car and the car behind it were FR-S models, this could be the Scion drift team undergoing some testing before the 2012 season.

Scion is heavy into drifting and it is supporting a campaign for a tC modified to rear drive particularly for the team. The FR-S is likely to take over as the Scion drift team star.

But first, the FR-S would require more power for its drift. Drift fans will be excited to know that the FR-S turbo sighting is good news for and all those who already can’t wait for a higher spec version of the FR-S.

As the base FR-S and BRZ won’t start selling in base form until the middle of next year, there won’t be any turbocharged production model until the later part of 2012.

Scion's Front-engine, Rear-wheel drive Sport or FR-S is their first attempt at a sports car with rear-wheel drive. The design team did marvellous work as this model boasts of having impeccable balance, handling and performance as well as excellent fuel economy and a striking style.

Never has a truer name been more implicit than the Scion. Toyota has a distinguished history when it comes to high-performance vehicles and when it came to the FR-S, the research and development teams poured over the annals to search for inspiration and found the AE86 Corolla. Also known as the Hachi-Roku or “8-6” in Japanese, the AE86 was a light coupe with excellent handling and again, like the Scion, it was a front-engine, rear-wheel drive unit.

Using it as inspiration, the Scion design team had a single goal. Balance. By integrating a flat boxer engine into the FR-S and mounting it low and in the middle, the vehicle acquires a considerable advantage when it comes to its front-to-rear weight ratio at just 53:47. This advantage means it is comparable to many of the supercars which have inspired it.

Toyota and Subaru have worked together on the Scion's 2-liter, four-cylinder engine. It is a partnership which has created a naturally aspirated engine which is horizontally opposed and that comes with the new state-of-the-art D-4S injection system developed by Toyota. The valves on this system come with both direct and port injection intake valves designed for inserting fuel straight into the combustion chamber. This new technology has been adapted from the Lexus IS F as part of the many developments for the new Scion.

Toyota's new injection system in the Scion can be used no matter the engine speed with the direct and port injectors kept idle except when the load and speed are required to aid mid-range torque. The D4-S is also responsible for keeping vehicle emissions low whilst also capable of producing 200 hp and 151 lb-ft of torque all at an impressive 12.5:1 compression ratio. These modifications mean that the Scion FR-S has a range of 34 mpg with an automatic transmission, which is an EPA estimated rating. With a manual transmission, it will be closer to 30 mpg.

Finally the FR-S comes with the dual variable valve timing which is designed to enhance the power, fuel efficiency and torque via continually adjusting the exhaust and intake cam timings.

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