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

Mark Adams on the Past, Present and Future of Opel Design

Back in 1938, GM showed the world's first concept car: Harley Earl's Buick Y-Job. Twenty-six years later, GM's Opel division became the first mainstream carmaker to design and build a concept in Europe. That car was the Opel Experimental GT, designed in 1964 and launched at the Frankfurt motor show in 1965.

Jay Leno gives us the lowdown on his McLaren P1 (video)

Jay Leno drives his new McLaren P1 Jay Leno has no shortage of cars to play with in his collection, but if this video of Jay and his new McLaren P1 is anything to go by, the P1 is his favourite car by far (at least for now). Jay meets up with McLaren CEO Mike Flewitt at his garage and there’s plenty of chat about what makes the P1 special, and how it compares to the legendary McLaren F1 (a car Jay also owns). Then it’s time for a drive out in the P1, first with Mike Flewitt as a passenger and then with Jay on his own as he takes the P1 round the winding roads near his home, and Jay reveals that he put nearly 900 miles on the clock in the first five days he had the P1.

One Lap of the Web: An Engine of Ice and Fire

-- George R.R. Martin, beloved and bearded historian of the great land of Westeros, drives a first-generation Mazda RX-7 -- according to Jalopnik, and a creepy Street View-browsing "Game of Thrones" fan. Despite swimming in HBO cash, Martin lives modestly in Santa Fe, N.