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

General Motors boosts output of the Cadillac CTS V6 for 2012

General Motors has reworked the 3.6-liter V6 engine used in the CTS for the 2012 model year, boosting output while maintaining the fuel-economy ratings of the less-powerful V6 from 2011. The 2012 version of the V6 delivers 318 hp and 275 lb-ft of torque. That compares with 304 hp and 273 lb-ft for the 2011 version.

Audi U.S. chief Johan de Nysschen leaves post

Longtime Audi veteran Johan de Nysschen, who rose to become president of the company's U.S. unit, has resigned for another job that is unknown at this point. COO Mark Del Rosso will handle daily operations until a replacement is named.

The next McLaren supercar will be called the 650S

We've known that McLaren has a pair of additional models in the works, including a Porsche 911-fighting, 12C-based sports car known only as the P13 and another car positioned between the 12C and the P1. Previously, we'd heard the code name “P15” tossed around in reference to that latter car, but McLaren has officially christened it the 650S ahead of its world debut at the upcoming Geneva motor show. According to the automaker, the 650S “takes learnings from both the 12C as well as the sell-out McLaren P1 [ed note: there has to be a better way to say that] and will be positioned between the two on McLaren Automotive's supercar grid.“ We liked the 12C, and we really, really liked the P1.