Ski Doo Formula Mach1 583 Cylinder & Piston Power Valve on 2040-parts.com

One Lap of the Web: Lamborghini Gallardo replacement, Audi scrutineering and a morning dose of classic sheetmetal

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. Details regarding the Korres Project 4 have surfaced today.

One Lap of the Web: The Weird World of Wheels

-- Introducing the greatest television show you've never heard of: "Operation: Mystery!" Imagine if the "X-Files" took place in 1960s Japan, and had its own cool custom car the heroes rolled around in: the Tortoise, a pudgy little thing that resembled the unholy combination of an Opel GT and a Dustbuster. It was bulletproof (not really), had gullwing doors (really) and was based on a Subaru 360 (really!). Sadly, its whereabouts are unknown, and it might have disappeared into the ether along with the UFOs its heroes probably investigated.

Audi A4 (2012): the revised saloon, Avant and Allroad

It’s an impressive feat when a manufacturer releases five new models in a single day, and that’s what Audi’s managed to do. Or has it? By clever manipulation of its naming strategy, five new cars turns out to be a mid-life refresh of its popular A4 range and all its variants.