Cloyes 9-3170a Hex-a-just True Roller Timing Set on 2040-parts.com

Ayrton Senna's Toleman Formula One car to be auctioned at Silverstone in May

Several impressive lots are set to cross the block at Silverstone Auctions' Spring Sale, scheduled for May 16 at Silverstone Circuit in Northhamptonshire in the United Kingdom. By far the most impressive is a Toleman TG184-2 Formula One race car driven by Ayrton Senna in his first F1 season. The car is best known for Senna's second-place finish at the rainy 1984 Monaco Grand Prix.

One Lap of the Web: A Miata ninja, classic race cars and the world's most vintage-car-friendly city

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. -- If you (or your children) love the smartphone and tablet app Fruit Ninja, you will get a kick out of Motor Authority's photo gallery from the Donington Historic Festival.

Apps can help you save at the pump

Here's another thing your smartphone can help you with--saving money at the pump. Mobile-app hub Appitalism.com put together a list of apps that will help customers find lower gasoline prices. Cheap Gas, which is free for the Android operating system, helps find the least expensive gas stations near you using your mobile phone's GPS.