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

Hyundai i-Flow concept (w/ Gallery)

The i-Flow concept previews a possible future contender in the D-segment from Korean automaker Hyundai. With an overall length of 4780mm, 1850mm width and 1420mm height, the concept has an imposing aesthetic. Also known as the HED-7, the i-Flow is the seventh in a series of concept cars created under the direction of Chief Designer Thomas Buerkle at Hyundai's European design studio in Russelsheim, Germany.

One Lap of the Web: Famous Porsches at auction, Smokey the Aventador and classic snow cars

Here's a tip: If you're going to have a rev battle with a collection of Lamborghini Aventador supercars, keep clear of flammable foliage. Better yet, don't participate in something lame like a rev battle. If you're in a part of the country that's recently been socked by winter weather, don't think you have to put away the classic car: Hagerty Insurance lists five old cars that make great winter drivers.

AC 378 GT Zagato supercar at 2012 Geneva motor show

British sports car specialist AC is back and teaming up with fabled Italian coachbuilder Zagato to create the new AC 378 GT Zagato, the first all-new AC for some time. The company has had an on-off relationship for much of the past decade, with production switched abroad, management changes and a confusing product line-up. But new management has been installed and are hoping to make a fist of AC Cars, one of the world's oldest car brands.