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

rusEFI: Open-source homebuilt fuel-injection set to rival Megasquirt

Electronic fuel-delivery and ignition controls have given us a new golden age of engine efficiency and performance. Most of us would never go back to the dark ages—say, before 1990—when you could still buy new vehicles with carburetors and clunky distributors. From the point of view of those of us who like to modify our cars, however, the black-box nature of engine-control computers limits our options for making changes to how our fuel-delivery and ignition systems function.

BMW 4 Series Convertible leaks – looking very like a 4 Series Coupe without a roof

The BMW 4 Series Convertible leaks ahead of an L.A. Debut The headline isn’t meant to suggest the roof of the new BMW 4 Series Cabriolet leaks; we’re sure it doesn’t. But, ahead of its expected debut at the Los Angles Auto Show next month, BMW’s hopes of keeping their convertible 4 Series under warps have been dashed after the BMW Blog published what are almost certainly the first official photos of BMW’s latest convertible.

Range Rover Hybrids press ahead on Silk Trail route to Mumbai

A trio of Range Rover Hybrid prototypes is well on its way to India on a 9,950-mile endurance drive through 12 countries. Land Rover is following the old Silk Trail to the east, but while it took ancient merchants months to complete the route, the Land Rover Hybrid team will be doing it in just 53 days. The Silk Trail is a historical network of trade routes which connected Asia with Europe and the Mediterranean, and got its name from the Chinese silk which was a lucrative trade item well into the 14th century.