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

Ironstone concours continues tradition of cars, giving in Northern California

Sixteen years ago, a California farming couple with an interest in classic cars decided to host a concours to benefit local children's groups. It's a grassroots tradition they've continued, as Gail and John Kautz are again staging the Ironstone Concours d'Elegance car show, on Sept. 26 at the Ironstone Winery.

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.

One Lap of the Web: 'Blower' Bentleys, Abarth history and a Checker taxi-camper

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. -- When it comes to high-dollar collector cars, provenance is everything.