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Volvo Polestar reveals new V8 Supercars engine

Volvo may be better known for turbo fives and inline fours, but in 2005 it launched the XC90 with a new eight-cylinder engine built for it by Yamaha. Fast forward to this past June when Volvo announced its intention to enter Australia's V8 Supercars series, where it would compete with the likes of Ford, Holden, Nissan and Mercedes-AMG. This is the engine with which it intends to do so.
Revealed this weekend at the Sydney 500, this competition-spec powerplant is based on the same B8444S that powered the XC90 and S80 (not to mention the Noble M600), but tuned for racing duty to be shoehorned into the new S60 touring car. The 60-degree aluminum block has been bored out from 4.4 liters to 5.0, its compression ratio boosted to 10:1, modified to run on E85 bio-ethanol and its redline increased to 7500 rpm. Volvo also promises a unique engine note from its new racers.
While Volvo and its racing partner Polestar haven't released official output numbers, regulations call for outputs between 620 and 650 horsepower - in any event, a whole lot more than the 311 hp it produces in stock form. (Noble managed to squeeze that much out of the same block, but that required twin turbochargers while this unit remains naturally aspirated.) Scope out the details in the press release below and the photos from the reveal in the gallery above.

Volvo S60 Polestar Concept finally spotted in the flesh

The Volvo S60 Polestar Concept has graced the pages of Autoblog numerous times in recent memory, but we've never actually seen it in person. That is, until now.
We caught up with the blazing blue sedan sitting on the floor of the LA Auto Show, and it looks even better up close. As a refresher, the four-door is fitted with a turbocharged inline six-cylinder engine (3.0-liter) generating an impressive 508 horsepower. Its close-ratio six-speed manual gearbox sends power to all four wheels through a fourth-generation Haldex XWD system. With a decent driver behind the steering wheel, the Polestar can crack the 60 mph benchmark in about 3.7 seconds as it rushes towards a top speed in excess of 186 mph.
Volvo has said that this Polestar-modified S60 was built for a specific client who paid upwards of $300,000 for the pleasure of owning it. But as they say, if there is market demand for more...

First production Volvo S60 Polestar shown off

With the Volvo S60 Polestar going on sale in Australia this June, Volvo has finally released images and specs for the production version of the performance sedan. While no official build number has been announced, one image of the car's steering wheel shows a serial number plaque that says "No. 000/100" indicating that production will likely be limited to just 100 units in Australia. The press release states that the Australia run of Polestar-tuned S60s is a "pilot project" and that other potential markets are "under investigation."
Although it looks very similar to the S60 Polestar Concept we first saw at the LA Auto Show last year, the production version of the car sports a few changes. Visually, the front and rear fascias have been slightly modified from the concept car, as have the matte-black wheels. Inside, we see a different steering wheel that adds the aforementioned build sequence plaque but loses the suede leather accents, and there is also a sportier looking shift lever with a chrome handle that features a Polestar logo.
As for performance figures, rather than the 508-horsepower of the S60 Polestar Concept, the production version will be limited to 350 hp and more than 368 pound-feet of torque, which is still an improvement of about 25 hp and at least 14 lb-ft over a 2013 S60 R-Design. Polestar also tuned the six-speed automatic transmission and Haldex all-wheel-drive system for optimal performance leading to a top speed of 155 miles per hour and a 0-62 mph time of 4.9 seconds. The production S60 Polestar will still get suspension, brake and aerodynamic upgrades.