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.

Views of new Jaguar XJ leak out

Here's the proof that Jaguar has finally junked decades of styling heritage with its dramatically detailed new flagship, the XJ sedan. Although there's a family resemblance to the new XF at the front and in the overall, swoopy fastback shape, Jaguar is entering new territory with the rear styling of the car. In a European context, the rear lights nod toward Italian brand Lancia, and a breakthrough feature is the wraparound, dark-colored panel on the D-pillar, which follows the outline of the sloping rear glass.

More than four million UK drivers aged 70 or over

The number of older people with driving licences has exceeded the four million mark for the first time, reveals a report by the RAC Foundation. Data shows that there are a record 4,018,900 men and women aged 70 or over who hold a valid full British licence, with the motoring research charity predicting that number is set to rise even further. IAM: more old drivers than ever not bad news It isn’t older drivers we should fear – it’s the young This prediction is backed by the government, which has said that of the UK citizens alive today, around 10 million will reach their 100th birthday.