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

Huge 'barn find' Porsche collection for sale

Here at MSN Cars, we often bring you pictures from the world's most exclusive car auctions, where the lots sometimes sell for many millions of pounds. But actually, there's something far more evocative about this collection of around 200 Porsches that are about to be auctioned. Maybe it's the unrestored and unpolished condition of many of the cars on offer.

New so-called 'stealth' speed cameras: don't panic

REX Speed cameras: rumours of their death have been greatly exaggerated. Two years ago we were reporting on the number of road safety partnerships switching off their speed cameras – now the Highways Agency has revealed a new system that will offer more cost-effective motorway monitoring. Though officially called Hadsec3 – Highways Agency digital enforcement camera system – the mainstream national press has already dubbed the new speed cameras ‘stealth cameras’, on the basis that they are small and grey, rather than bright yellow.

Lotus V8: the new engine plan in full

Lotus has confirmed details for its new inhouse V8 engine family, which will make its first road car appearance in the 2013 Esprit. Responding to feedback which said the 'New Era' plan to launch five new models was weakened by its reliance on Toyota engines, the new management team decided last Christmas to design and develop its own engine. 'The feedback from customers was "how can you justify a £100,000 car with a Toyota engine?",' said chief executive Dany Bahar.