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

What we drive: 1969 Triumph TR6

Updated March 2013: Go straight to the update here. Wisdom borne of experience: If you are contemplating the purchase of a British car and the vital parts of that car are in more than, say, two cardboard boxes, your purchase is suspect. Obviously there are exceptions: The D-type Jaguar comes to mind.

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.

Toyota HSD concept

The Yaris HSD, as presented in Geneva, previews Toyota's intentions of bringing Hybrid technology to the B-Segment, as well as Toyota's full hybrid roll out across all models in its range. Retaining the familiar Yaris outwardly appearance (and previewing the next generation Yaris) the HSD is interspersed with ‘Hybrid' cues, to intimate at the hybrid powertrain beneath the body. From the pearl white paint to the light blue hue that illuminates certain aspects, there is an underlying emphasis on the fact that this car is a hybrid.