Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

AutoWeek office swag: Mazda rotary-engine keychain with realistic motion

When I got the keys to our long-term 2011 Mazda 5 last week, they came with a surprise--this aluminum-and-brass keychain in the shape of a rotary-engine housing, complete with moving rotor. The rotor doesn't just rattle around or spin in a circle. Thanks to a thumbwheel on the back of the housing, coupled with a timing gear and offset crank journal, the thing actually moves in an approximation of epitrochoidal motion just like a real Wankel.

Infiniti G37 Convertible (2008): more photos

By Tim Pollard First Official Pictures 06 October 2008 12:14 Infiniti has released another photograph of its new G37 Convertible – the roadster version of Nissan’s new 3-series fighter. The car will be formally shown at the 2008 Los Angeles motor show and this is only the second photograph of the new cabrio that goes on sale next summer. It’s the convertible version of the G37 Coupe (read our first drive here) and, like its 3-series target, uses a folding hard-top roof.

Chevrolet Cruze (2009): first pictures

By Ben Whitworth First Official Pictures 21 August 2008 17:08 This is the new Chevrolet Cruze, the compact four-door saloon that that arrives early next year to try and steal some sales from the Focus, Astra and Golf. Due to officially bow in at the Paris motor show next month, the Cruze signposts Chevrolet’s distinctive new design style, and its pronounced split grille is expected to be a key visual feature on new Beat, Volt and Camaro models. Hmm.