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

GM delays second shift at Volt plant

General Motors is delaying the addition of a second shift at its Michigan assembly plant that makes the Chevrolet Volt. In May, GM said that it would add a second shift at its Detroit-Hamtramck plant by late this fall to double Volt production. Instead, a plant overhaul completed this summer, along with a more-modest addition of workers, will allow GM to double production starting early next year while remaining on one shift, the company said Friday.

Mercedes-Benz SLS AMG: The gullwing takes flight

Before we reveal what it is like to hot-lap a prototype version of Mercedes-Benz's 6.2-liter V8-powered SLS around the 2.2-mile Sachsenring in eastern Germany, let us tell you one thing that puts the big rear-wheel-drive coupe into clear perspective. The SLS, planned to get its first public outing at the Frankfurt motor show in September, is not based on any existing Mercedes model. Rather, it has been conceived, designed and engineered from the ground up in a no-compromise approach by the German carmaker's in-house tuning division, AMG.

GM reportedly set to sign deal on Thursday to sell Opel

General Motors Co. likely will sign a deal on Thursday to sell a majority stake in Opel to a group led by Magna International Inc., German news agencies reported, citing sources close to the negotiations. GM agreed on September 10 to sell 55 percent of Opel to Canadian supplier Magna and its Russian partner Sberbank, but the deal stumbled amid labor union demands for a veto on factory closures and concern in the UK and Spain that 4.5 billion euros ($6.7 billion) in aid pledged by the German government for restructuring Opel favored the carmaker's German factories.