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Subaru Impreza Cosworth – Cosworth Impreza STI CS400 – announced

This is as much as you're going to see of the Cosworth Impreza for now You always know that when a production car gets the Cosworth moniker added you should be able to count on a more than useful increase in performance. Just look what the Cosworth Sierras and Escorts could do in comparison to their more prosaic siblings, and you have an idea of what Cosworth should be able to do with an Impreza. But the Impreza already has some more than fettled performance versions you can stroll in to your Subaru dealers and walk away with, so just what will a Cossie Scooby offer that the Impreza doesn’t already deliver?

Ford debuts another Australian hot rod

Ford's Australian-based Performance Vehicles operation has unveiled its fastest car to date—the Falcon-based FPV GT R-spec. To be assembled at Ford Performance Vehicle's headquarters on the outskirts of Melbourne, the rear-wheel drive GT R-spec packs the same engine as the earlier GT335, a supercharged 5.0-liter V8 producing 449 hp and 420 lb-ft of torque. But, a range of chassis modifications, including a retuned suspension, wider 19-inch rear wheels and tires and new launch control system are claimed to provide the greater off-the-line speed than any previous model from Ford's Australian outpost.

F1: New rules for 2011; 4-pot turbos for 2013

Turbo engines back in F1 in 2013. First turbo F1 - the Renault RS01 - pictured As anyone who keeps even the most casual of eyes on F1 knows, rules and regulations in the sport are there to be changed. And they are, with great frequency, as teams get better and better at exploiting current rules.