1941-1946 Indian Motorcycle Hoyt Ammeter Chief 4 Scout on 2040-parts.com

Walt Arfons: 1916-2013

No one seemed to know why the two brothers stopped talking, but their resulting rivalry led to some of the fastest cars ever built, two of which went more than 600 mph. Walt Arfons battled his half-brother Art on the Bonneville Salt Flats and at dragstrips across the country, but the pair rarely spoke over the course of one of the longest and most intense motorsport rivalries ever. Walt and Art started out working together, building a three-wheeled dragster in their native rural Ohio in 1952.

McLaren P1′s Pirelli P Zero Corsas key to performance +video

The new McLaren P1 is shod with custom-made Pirelli P Zero Corsa Tyres specially developed to meet the challenges of a 903bhp supercar. Ron Dennis has already told us that he has driven the P1 round the Top Gear test track at Dunsfold a full 10 seconds quicker than the Pagani Huayra went round, so we know the P1 has huge abilities on tap. But what’s also interesting is that Ron did his Top Gear lap on the P1′s road tyres, specially developed for McLaren by Pirelli, and not on hand-cut slicks like the Pagani Huayra.

New Land Rover Defender DC 100 and DC 100 Sport Concepts at Delhi

New Land Rover Defender DC 100 at Delhi with new paint job Land Rover has taken newly painted versions – in  Firenze Red – of the new Defender Concept 100 and 100 Sport to the Delhi Auto Expo 2012. Land Rover has been busy at the last two motor shows giving us a glimpse or three of their take on the next generation Land Rover Defender, in the shape of the Defender Concept 100 (DC 100) and Defender Concept 100 Sport (DC 100 Sport). And they’re at it again at the Delhi Motor show, with a pair of freshly painted Concepts on show.