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

McLaren MP4-12C software fixes done – deliveries re-start

McLaren MP4-12C - back on track The birth of the McLaren MP4-12 C should have been a cause for real celebration; the first new McLaren in a generation (almost) and a Brit competitor for the Ferrari 458. But there have been problems. Like all small car makers, McLaren has to buy-in most of the clever computer whiz-bang stuff all new cars have, which means McLaren’s tech-bods have to work out how to make it all play pretty together.

One Lap of the Web: Jay Leno does the T-REX, Porsche 912 restoration and cars with swimming pools

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. -- Watch as Jay Leno explores the 2013 Campagna Motors T-REX, a three-wheel, street-legal motorcycle that is insanely fast, especially since one of the powertrain options is a six-cylinder BMW engine and the thing weighs practically nothing.

Apple Watch users warned

IN THE wake of the new Apple Watch's arrival, early-adopters are being warned that using it while driving could be a deadly mistake that lands them in jail. Smart watches can issue regular updates from internet services, apps and the user’s mobile phone, but the Institute of Advanced Motorists (IAM) is urging people to turn them off while at the wheel. In a statement the IAM said: “The latest piece of wearable technology from Apple will allow users to make and receive calls, check their messages and monitor their health by operating the device on their wrists.