Billet Universal Billet Battery Tray Hold Down / Trunk Relocation Box Heavy Duty on 2040-parts.com

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.

Concept Car of the Week: Oldsmobile Golden Rocket (1956)

From 1949 to 1961, General Motors ran its own motor show. Called Motorama, the annual event was a showcase for concept cars which revealed prospective design and technology directions for all of GM's brands and for cars in general. Each year, one-off creations were designed and built for GM's multiple divisions, from Chevrolet all the way up to Cadillac.

Jaguar Heritage Racing launches +video

Jaguar Heritage Racing - lots of historic competitive racing planned in 2012 Jaguar are to go Heritage Racing, with works supported Jaguar C and D-Types appearing at heritage racing events like Goodwood and the Mille Miglia. Jaguar has a great depth of history, not just in car production but in racing too. And for a very long time Jaguar believed its history gave it all the kudos it needed to succeed as a car maker.