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Watch 'The Million Dollar Mustang' part one: Shelby GT350 R

“The Million Dollar Mustang” is not about how much these great cars go for at auctions in today's heady times, but about what made them worth so much in the first place. Nearly five years in the making, the documentary starts out talking about the Ford Mustang in general, how they sold 22,000 of them on the first sales day and then sold a million of them in the first two years and things like that -- the notion that the Mustang was a revolution in American car design and in the American consciousness. Then it starts to narrow its focus more and pretty soon the bulk of the piece is all about the Shelby GT350 R.

Race-ready Dodge Viper SRT10 ACR-X revealed

The Dodge Viper special editions continue, and on Thursday a turnkey race car, called the Viper SRT10 ACR-X, broke cover. It's not street-legal and is upgraded with a slew of performance modifications aimed at racing enthusiasts. Power grows by 40 hp, to 640 hp, for the 8.4-liter V10.

Video: Hagerty reviews the Monterey Weekend auctions and Pebble Beach concours

Hagerty's Dave Kinney, Donald Osborne and Rob Sass wrap up the Monterey week by discussing auction results, the Pebble Beach Concours d'Elegance action and overall insight gained from this year's events. Monterey car week is packed with car shows, vintage racing and car auctions. Autoweek will be there providing streaming photo galleries and live coverage of the Pebble Beach Concours, historic racing at Laguna Seca, the Monterey car auctions and plenty more.