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

One Lap of the Web: Kyle Busch takes to the streets, a new Mazdaspeed3 and the Crazy Cart

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- When you let a NASCAR driver take his souped-up track car on local streets, you can be sure that what will happen is nothing short of incredible.

Porsche 911 Turbo (2010) unveiled

By Ben Pulman First Official Pictures 07 August 2009 10:14 This is Porsche’s new 911 Turbo, with an enlarged and twin-turbocharged engine producing more power, plus the option of a twin-clutch gearbox that features proper gearshift paddles. Unbelievably, it’s the first entirely new engine in the 35-year history of the Turbo. Essentially it’s the same direct-injection 3.8-litre flat-six that you’ll find in regular 911s, but now fitted with variable geometry twin turbos to give a healthy 493bhp, a 20bhp increase over the current car.

Local Motors 'Design Our Car' competition opens

Local Motors has opened its first-ever ‘Design Our Car' competition, which encourages collaboration within the manufacturing community. The open-source automaker is providing two of its Rally Fighter cars, one of which will be built at the company's micro-factory in Arizona while the other will be built live in the Emerging Technology Center at September's International Manufacturing Technology Show (IMTS) in Chicago. Ideas from the design and engineering community are being sought to help design and select a skin for the Rally Fighter that will be built by the Local Motors team this spring.