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

One Lap of the Web: The Greenwich Concours, racecars for the street and exclusivity at Ferrari

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. -- Over at Motor Authority, they're talking about the Audi W

Aston Martin-Mercedes tie-up: secret plans revealed by CAR

By Tim Pollard Motor Industry 06 August 2008 11:20 Aston Martin and Mercedes are plotting a wide-ranging tie-up that could see the two famous brands collaborate on engines, hybrids, transmission and even entire platforms, CAR can reveal. The top-secret partnership between Aston and Merc – dubbed Project Alligator by the Germans – is detailed in our exclusive story in the new September 2008 issue of CAR Magazine. The scoop includes the lowdown on: • How Mercedes engines could power future Aston Martins • AMG's 6.2-litre V8 tipped for Vantage models• Diesels and hybrids from Germany planned for Aston• Whole platforms to be shared by top-end models• Eight-speed Merc auto bound for British sports cars• Why Maybach and Aston could co-operate on future modelsWe speak to the engineers and insiders who are working on Project Alligator and spill the beans on the secret project that will reshape future generations of Aston Martins.

BMW 'looking' at an M1 supercar successor

BMW is actively considering a new range-topping supercar model in the spirit of the M1 and Z8, CAR has learned. Global sales and marketing chief Ian Robertson said the company had other priorities, but that there remained a desire to showcase the brand's sporting aspirations. 'We have never replaced the M1, although we have made ventures in that direction,' he said.