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

One lap of the Web: Lost childhood cars, the Jeep Wagoneer at 50 and Airstream's rental service goes live

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. -- Hooniverse poses a poignant question: What family car do you wish your parents had held on to?

Mercedes SLA Roadster looks likely

As car manufacturers start to look with fresh eyes at smaller, cheaper cars, reports from Germany confirm that Mercedes is close to committing to the SLA, a small Roadster to be based on the next generation A-Class platform. The original SLA concept was shown at Detroit in 2000, and aimed to slot in beneath the SLK. But at that time Mercedes didn’t have a suitable platform on which to base the car, and the project was shelved.

Jaguar Land Rover reveals huge profits growth

Jaguar Land Rover has reported half-year profits have broken the £1 billion barrier, with profit before tax of £1.083 billion marking a massive 42% year-on-year increase. Profits in the last three months alone were £668 million, said the firm. MORE new British jobs for Jaguar Land Rover Range Rover: why it is already battling Bentley The strong results are thanks to continued sales growth for the two British luxury car brands: sales over the past three months increases 21% to 102,644 cars – beating even the half-year sales rise of 16% to just over 197,000 vehicles.