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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.

Hot rod tractor stars in Swedish version of Farmkhana

The Nordic countries are known for their beautiful fjords, blonde-haired populace and bitter cold for a good portion of the year. The hours spent indoors during the dark, cold season apparently gives a lot of time for some crazy brainstorming. Tire store chain Vianor is highlighting the Traktor Terror in a new video. If Ken Block is the master of Gymkhana, then these guys know all about Farmkhana in their custom, turbocharged tractor.
According to the YouTube description from Vianor, the tractor is a 1956 Volvo BM Terrier with an added roll cage, adjustable front suspension and extended frame. The engine is thoroughly Swedish, and it's based on a Volvo 940 Turbo with a Volvo 240 head and Volvo 740 intercooler. However, it uses a Saab turbo Prospark ignition and fuel system. All told, the setup is claimed to make 225 horsepower and is capable of a top speed of 60 miles per hour.
That's not crazy power, but this tractor can certainly put it down. The farm machine has no problem smoking those big rear wheels and drifts easily.... although, it may be a tiny little bit unstable (hence the roll cage). If nothing else, this looks like the world's most fun way to be a farmer, that's for sure.

Volvo's pedestrian airbags may already be on their way out

As proof of just how quickly automotive technology can advance, just check out the Volvo V40. Developed with an external airbag aimed at better protecting pedestrians in the event of a collision, this innovative safety device could be phased out soon in place of more advanced active safety technologies like pedestrian detection and auto braking.
Go Auto had a chance to talk to Volvo senior VP Lex Kerssmakers at the Tokyo Motor Show, and he suggested that the V40's under-hood airbag will not be used on the next-gen XC90 and might not even be continued on non-SUV models. The passive airbag was designed to deploy at speeds of less than 31 miles per hour to help limit head injuries to pedestrians, but new active technologies are designed to prevent collisions in the first place.
The interview also reveals some details about the new XC90, such as the inclusion of a plug-in hybrid system and the debut of a new safety technology. Kerssmakers told Go Auto that a new Volvo concept will be unveiled at the Detroit Auto Show in January, but it won't be for the XC90.