62-67 Chevy Nova Power Disc Boster, Master, Combvalve on 2040-parts.com

Vintage photos show Ford Mustang I and the elusive XD Cobra

It's hardly surprising that our readers want to share their memories of the Ford Mustang -- 50 years is a long time for an automotive nameplate to endure, and the model's upcoming 50th anniversary is as good excuse as any to look back on the experiences that have made the car an enthusiast hit. Take William Drew, who had a close encounter with pony car history when he saw the Mustang I concept, plus a rare Ghia-bodied Shelby Cobra concept, at an auto dealer in Dallas in 1970. His slides (taken with a Yashica camera, he notes) show the unusual cars in the nice, bright colors of Kodachrome.

Crashing the Pixar Motorama car show

The animated film studio Pixar sits behind newly aged brick walls on a sprawling campus in the East Bay that looks and seems a little like Willy Wonka's Chocolate Factory, especially since you can't get inside. But we've been inside, and it is a pretty wonderful place. On July 12 Pixar's Jay Ward, guardian of the "Cars" franchise and all the wheeled wonders that entails, organized the latest Pixar Motorama, the greatest car show you'll never see.

Buick prices LaCrosse four-cylinder model, due early next year

The Buick LaCrosse will get a four-cylinder engine that could get up to 30 mpg early next year. The LaCrosse, Buick's highly touted new sedan, will start at $26,995 with this powerplant. The direct-injection 2.4-liter Ecotec four-cylinder makes 182 hp and 172 lb-ft of torque.