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

CAR tech: how much F1 is in the McLaren P1?

We're forever told racing tech makes for better road cars, but is that true, even in the case of the £866,000 McLaren P1? CAR tech looks at the similarities between Jenson Button's weekend racer and McLaren's hybrid supercar: Gives you wings A Formula One car wins or loses by its aero package – and the P1’s a true aero car with a mighty set-up. It has the highest amount of downforce of any road car on sale – so you couldn’t get closer to F1 with number plates if you tried.

Autoweek's 2014 Best of the Best Finalists -- sneak peek

Every year, as hundreds of new cars and trucks pass through our fleet for evaluation, we are always on the lookout for those dazzling few deserving more careful scrutiny for our top honors, the Autoweek Best of the Best. It's down to three cars and three trucks that our regular readers quickly will recognize in the video above, designed to whet your appetite as we get further along in the judging. We'll be bringing you full details on our Best of the Best/Car and Best of the Best/Truck finalists in the coming days, along with updates as we get closer to announcing our winners in the December 23 issue of Autoweek.

Barn Find Rare Healey Racer Set To Star At Auction

A RARE British sports car will be offered in Silverstone Auctions’ two-day sale at the forthcoming Silverstone Classic race meeting on July 26th and 27th. Fittingly the car is a 1950 Healey Silverstone, one of just 105 ever built. The car was hand built at the Donald Healey Motor Company factory in Warwick and was designed to be equally at home on the road or racetrack.