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.

McLaren P1 (2013) official performance figures announced

McLaren has finally revealed the price and performance figures for its P1 supercar. The hybrid P1 will launch from 0-62mph in less than three seconds, hit 124mph in under seven seconds, and reach 186mph in around 17 seconds, according to McLaren's official figures. The P1's top speed is electronically limited to 217mph.

One Lap of the Web: Mercedes-Benz SLC rendered, Google Glass for the Tesla S and a rusty Datsun 280ZX

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Last month we brought you some intriguing spy photos of a Porsche 911-fighting Mercedes-Benz coupe -- possibly to be called the SLC, or even the next SLS AMG (it's all a bit unclear at this point) -- but layers of camouflage made it a bit tough to see what the car will look like.