New Rocket Right Front Combo Spindle . No Reserve . on 2040-parts.com

Car making mysterious noises? There's an app for that

You may pride yourself on your ability to diagnose a developing engine problem by sound alone, and then replicate said mystery sound, Click-and-Clack-style, to amuse/annoy your friends and coworkers. ClingClanger is a new phone app that's designed for the rest of the world -- those who can't identify piston slap by sound and are startled by the clicking caused by a dying battery. The natural impulse is to simply crank up the radio and hope the noise/problem goes away.

Concept Car of the Week: Cadillac Sixteen (2003)

Many premium brands struggle to keep their heritage of crafts and aesthetics up to date without often falling into obvious retro references. With a rich tradition of innovation, Cadillac tackled this difficult task in 2003 by creating the stunning Sixteen concept. Its caricature-like proportions exaggerate all the luxury car design codes.

No Ferrari Viper, Dodge brand chief says

Despite allusions to cooperation on the Viper with Chrysler's new Italian owners, there will be no Viper Ferrari. Hey, it was a natural question, especially since Dodge opened that door in a press release on Tuesday about a lap record set by a production Viper ACR at Mazda Raceway Laguna Seca (1:33.915; more on that in a minute). "When we have partners across the ocean who are known as the best sports-car makers in the world, the future opportunities are huge," Dodge brand chief Ralph Gilles said in a release.