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

One Lap of the Web: Porsche 959s, the Alfa Romeo 4C and the Mercedes-Benz A45 AMG vs. the BMW M135i

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 initially produced to satisfy FIA homologation requirements in 1986, the Porsche 959 was the world's fastest street-legal production car.

Audi A7 & S7 Sportback facelift for 2015 MY revealed

The Audi S7 (pictured) and A7 get a tweak or two for 2015 It’s four years since the Audi A7 arrived (and its more powerful sibling – the Audi S7 – arrived a month or so later), so it’s time for a tweak or two for Audi’s five-door swoopy coupe. The cosmetic changes for the A7 and S7 are not exactly overwhelming, with a new single frame grill at the front, new bumpers, new tailpipes and new lights. The usual facelift fodder.

Lincoln Quicksilver Ghia concept heads to auction

Next week at the Mecum Auction in Kissimmee, Fla., bidders will get a chance to take home something truly unique, a Lincoln Quicksilver concept car created by Carrozzeria Ghia in 1983. This radical concept was created at a time when Ghia was a division of the Ford Motor Company. The concept itself debuted in one place where the Lincoln brand was, ahem, somewhat underappreciated: the Geneva Auto Show.