The Path to Hot-Rodding Fame

By day, he fine-tunes future suspension systems as GM’s vehicle-dynamics authority. At night, he constructs the sweetest ’69 Camaros big money can buy. Mark Stielow, Pro Touring’s 46-year...

Innocent of the Gross Understeer

The fiberglass hood has five—count 'em, five—NASA-type hood scoops, all functional. Four of them merely open into the engine compartment, while the fifth provides a ram-air effect for the ...

Performance Results

"Maybe for street engine I make mistake — aluminum heads are expensive and that weight doesn't matter on the street." But he's not going to compromise the performance just to take money ou...

Cerametallic Brakes For the Track

Originally published in Sports Car Illustrated in December 1957. For the guy who is really serious about his racing, a heavyduty brake and suspension package is offered in an all or not...

How Light Can it Get?

The bigger brakes, wheels, and tires; the dry-sump lubrication system; the various cooling upgrades; and the big-bore exhaust all add weight to the car. Offsetting these increases require...

An Executive Sedan

The ride selections are made on what Audi is calling a multimedia interface (MMI). It's a display-based "infotainment" system something like BMW's iDrive, but with much better ergonomics....

The Toughest Looking Car on the Road

One might expect a Cobra with an engine displacing 427 cubic inches to be an absolute beast on the street. It is utterly to the contrary, with a positively placid disposition at low speeds....