Precision Joints 427 Universal Joint on 2040-parts.com

New Porsche 911 GT3 (991) technical highlights (video)

Ahead of its arrival with customers, Porsche has delivered a new video of the GT3 designed to make it clear just how some of its technical highlights work to make the GT3 swifter and more nimble than ever before. Power is of course the key to the GT3 – 468bhp and 324lb/ft of torque – but the power is no good unless the GT3 can put that power down as efficiently as possible in all circumstances. Porsche assert that the GT3′s chassis is engineered for Motorsport, and key elements of the new GT3 make it even more able.

International Engine of the Year Awards to focus on fuel efficiency

Like the Oscars of the Otto cycle, the Grammys of gasoline, the International Engine of the Year Awards are a big deal in the industry. For 2013, the awards will continue to focus on green technology, pitting gasoline, compressed natural gas (CNG), hybrid and all-electric powerplants against each other for the title of "international engine of the year." Ford's 1.0-liter EcoBoost engine took top honors last year. Besides the top award, other categories include best green engine, best new engine and best performance engine, each voted on by journalists from around the world.

Expert: Fisker Karma's engine packaging, not batteries, likely caused fire

A garage fire last week in suburban Houston has been linked to a Fisker Karma plug-in hybrid, but the company quickly noted that the battery remained intact and unplugged -- and did not appear to be the cause. But if not the battery, then what? More likely, poor packaging in the engine compartment and exhaust routing generated excess heat.