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

Lutz's Cadillac puts on a better show than Lutz

"Hi, I'm Bob Lutz, and this is the Cadillac CTS-V Drive Challenge." General Motors Co.'s marketing chief dons his monogrammed helmet and puts Cadillac's 550-horsepower sedan through some warm-up laps at Monticello Motor Club, a members-only track. In what might have passed as a dismissible moment of Lutz braggadocio, "Maximum" Bob has challenged anyone with a four-door sedan to beat his 2010 CTS-V. Though not a showman by trade, Lutz is bankable for amusing, bald-faced assessments of his employer, his critics and the auto industry at large.

Sacramento, Salt Lake City, Los Angeles top road frustration study

Weather, crashes, traffic and attitude--these are the things that make our commutes unbearable. Now, the RoadIntel.com Web site has ranked cities based on its "road frustration index." The index is based on how weather affects the roads, the amount of traffic, the number of crashes and driver sentiment, which is calculated by searching for keywords such as "traffic jam" and "stuck" on Twitter. On the site, you can look at cities ranked day by day and even hour by hour.

OnStar to tap Google to guide the Chevrolet Volt

General Motors Co.'s OnStar telematics unit is bringing Google mobile navigation technology into the car. Chevrolet Volt drivers whose smartphones use Google's Android operating system will be able to use their phones to pinpoint their vehicle's location on Google Maps, GM said in a statement released Tuesday. They can then request a destination by speaking it into the phone, and have the desired destination sent directly to the car.