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3McLaren denies plans to switch engine suppliers

For 15 years, McLaren was the F1 team of choice for Mercedes-Benz, enjoying a near-works level of support and collaboration from the German automaker. But as you may recall, Daimler bought its own team three seasons ago: the outfit that started out as British American Racing, then became Honda before branching out as Brawn GP, was rebranded Mercedes GP under its latest management and now rechristened Mercedes AMG Petronas. And ever since, McLaren has had to deflect speculation that it was lookin

7McLaren sticking with Mercedes-Benz engines

When it comes to engine suppliers, McLaren has had more partners than the girl you took home from the bar last night. It was driven by Cosworth for the first seventeen or so seasons on the grid, then switched to TAG-Porsche engines, won a few world championships with Honda, and even dabbled with Ford and Peugeot. But since 1995 it's been exclusively powered by Mercedes-Benz.

2Chevrolet returns to Indy; will supply 2.4-liter twin-turbo E85 V6

Fans of open-wheel racing probably remember that Chevrolet supplied V8 engines from 1986-1993 and then again from 2002-2005. The automaker-supplied V8 captured 104 wins, powered six driver champions and snagged seven Indianapolis 500 victories. Now, after an extended hiatus, the Bowtie brand will return to the sport by supplying V6 engines to Team Penske for the 2012 IndyCar Series.

30BREAKING: Chevrolet returns to open-wheel, supplying Penske for 2012 IndyCar

It's official: Chevrolet has announced a return to open-wheel racing, and will supply V6 engines to Team Penske for the 2012 IndyCar Series. Longtime open-wheel fans will remember that the Bowtie brand supplied engines for Indy-style racing from 1986 to 1993, and then again from 2002 to 2005. The return was a rumor earlier this week, but General Motors made the announcement this morning and offered a glimpse at what's in store.

38Ilmor Engineering builds a five-stroke engine

English engineering firm Ilmor knows all about engine design, having produced powerplants for Formula One, IndyCar, and NASCAR. But its latest internal combustion creation, in contrast to those racing engines, is designed to burn fuel more frugally: a gas-powered five-stroke with diesel consumption.

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