Sce Gaskets 118104 Big Chief Intake Gasket on 2040-parts.com

This day in Autoweek history: Driving across France in a Ford Sierra RS Cosworth

Today we relive a drive across France in the Ford Sierra Sapphire RS Cosworth with Cynthia Claes. This potent four-door sedan offered rear-wheel drive, a Borg-Warner five-speed manual transmission and a claimed top speed of 150 mph from its turbocharged 2.0-liter, twin-cam four-cylinder engine. Introduced in 1986, the original Sierra saw 5,542 units constructed; 5,000 were needed for homologation in Class A rally competition, its original purpose.

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.

Las Vegas Motor Speedway welcomes Shelby's new shop

Shelby American Inc. opened the Shelby American Motorsports Speed Shop in Las Vegas on Aug. 31.