Rockwell Collins 590a-3e Altitude Controller. 522-4798-001 on 2040-parts.com

Video: GM Europe's Mark Adams answers Twitter questions, gives tips to aspiring designers

GM Europe's vice president of design Mark Adams has given aspiring designers tips to stand out from the crowd with their portfolios in a Twitter Q&A session. In the video session Adams offered advice to one participant who asked, "If there was one piece of advice you would give to someone wanting to become a designer, what would it be and why?". With portfolios, he explained, it's not just about the talent, it's about having the ability to convey your thought process along the way.

2013 Ford Mustang Shelby GT500 to start at $54,995

The muscle-car hammer known as the 2013 Ford Mustang Shelby GT500 will start at $54,995 for the coupe and $59,995 the convertible. Both prices include the $795 destination charge. The 200-mph pony car from the Blue Oval comes with a 650-hp, 5.8-liter supercharged V8 and a manual transmission standard.

Lincoln loses to Washington in new test for tire-tread depth

Buried deep in a press release from Tire Rack is a bombshell. No longer is the Lincoln-head penny the true test for replacing your tires. It will now be known as the Washington-head quarter test.