Darren Collins works with Dowsetts Classic Cars, owns possibly the nicest DMC Delorean in existence and is one of the people behind the revival of Radford

Tony Keating is the man behind the Keating Supercar which was, briefly the fastest street-legal car in the world - before Bugatti went even quicker. Now he’s swapped four wheels for two and has revived Manchester motorcycle marque, Dot relaunched at Goodwood at this year’s Festival of Speed.

Tim Fawthorp has been a biker all his life. He graduated from a Puch moped that was flat-out at thirty miles an hour to the latest adventure sports bike from Triumph. He clocked up 50k  miles in a year on a Honda CX500 when he worked as a despatch rider in London and is now heavily involved in the fight for rider's rights with the Motorcycle Action Group.

Matt Kelly has been involved in motor racing since he blagged his way into a kart when he was a kid. He raced in various formulas and wound up running a team for a super-rich Sheikh. He's funny and opinionated and that always makes for a great guest.

Mark Wilsmore is the man behind the revival of the iconic Ace Cafe,  a petrolhead paradise in the shadow of London's Wembley Stadium.

Peter Grimsdale is the author of Racing In The Dark. How The Bentley Boys Conquered Le Mans

Six at Six. We are six years old and still going strong. Although we might need our cambelt doing and a bit of welding in the not too distant. To celebrate my guest is the show's Producer, Paul Ripley. There's chat about his mother's switch from a nifty little NSU Prinz to a big beautiful S-type Jaguar. His beloved Garelli Tiger Cross and his teenage lust for the legendary Yamaha 350LC

The Indian motorcycle market is the biggest in the world worth 19 million sales annually. Sanjay Tripathi has been in it all his working life with stints at Yamaha, Harley-Davidson, and Royal Enfield he knows works for India's largest manufacturer, Hero Motocorp. A fascinating chat about an unique and fast-expanding motorcycle culture. 

When Jeff Bloxham told the careers officer at his school that he wanted to be a motorsport photographer he was informed that such a profession ‘does not exist’ Despite that he’s now been photographing racing cars for a living for half a century and shows no sign of stopping

Mal Nicholson owns more than forty motorcycles, the most powerful Alfa Montreal on the planet, and a replica of Admiral Lord Nelson's topsail schooner, HMS Pickle. Oh, and he’s one of the world’s top 2-stroke tuners.