Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

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.

Mini John Cooper Works WRC: the roll cage in detail

Mini claims it’s created the safest WRC car ever – with a little help from Prodrive.  And to prove the point, they’ve opened up the Mini Countryman WRC’s innards and spilled some of the secrets of its rollcage. The Countryman racer is stripped and fitted with a new type of rollcage designed by Prodrive. Its beams curve outwards and the Banbury engineers say it has been designed to withstand impacts much better than the straight crossbeams used in most WRC cars.

Scottsdale auction results: Video wrap-ups recount total sales

Now that the 2012 Scottsdale collector-car auctions in Arizona have come to a close, our friends at Hagerty Insurance have wrapped up all the numbers from the auctions in their latest edition of “Hagerty Classic Car TV.” In this episode, host Rob Sass, author Colin Comer and publisher Dave Kinney explore the 2012 sales figures and take a closer look at some of the more memorable vehicles, including a 1948 Tucker Torpedo and a 1955 Mercedes-Benz 300SL alloy Gullwing. Check out the video for all the details.