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

Is the McLaren P1 order book about to close?

We’re hearing that McLaren is ready to close the order book for their P1 supercar before the specification – or the car – have been fully revealed. We’ve had the reveal of the P1 Concept – and seen it floating round the world as McLaren drum up potential customers with enormous bottomless pockets – and we’ve even seen the P1 on the move as McLaren shake down the development version of the P1. But so far we haven’t had the full specs of the P1 revealed and, as far as we can tell, McLaren hasn’t even divulged the full details of the P1′s power and performance to potential customers – no matter how wealthy they are.

General Motors spending $131 million to upgrade Corvette plant

General Motors is spending $131 million on its Bowling Green, Ky., assembly plant to prepare it to build the next-generation Corvette. The plant will spend the money on manufacturing equipment, specialized tooling and plant updates, said Mark Reuss, GM's president of North America. The plant will add about 250 jobs, which will boost its workforce by about 50 percent, to about 750 workers.

Hangover affects driving ability 'as much as being drunk'

A HANGOVER following a night of heavy drinking can impair driving performance as much as driving under the influence of alcohol, according to new research. Scientists at universities in the UK and the Netherlands found that the effects of a night's heavy drinking last longer than a measurable blood alcohol concentration and that hangover immunity is largely a myth. In research conducted at the University of the West of England, participants who had been drinking the night before undertook a 20-minute simulation of driving in a mixed urban and rural setting.