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.

MSN readers back 80mph limit on UK motorways

Getty Images Half of you back an 80mph speed limit on British motorways, according to a poll of more than 40,000 MSN UK readers. An overwhelming 20,000 of you said the limit should be raised from the current 70mph, while a quarter of respondents preferred to stick with the status quo. Microsoft poll results Our poll was published in the week when the government announced plans to reduce the speed limit on a section of the M1 in Derbyshire and Yorkshire in a bid to cut air pollution.

Audi RS6 Avant ‘Plus’ planned with 600bhp

Audi are planning a ‘Plus’ model of the new RS6 Avant which will come with around 600bhp and be a full production model. Just as they have with the launch of the TT RS Plus, Audi are planning to give the new RS6 Avant even more power than it already enjoys in an RS6 Avant Plus model, and it won’t be a limited edition model but a full production option. Talking to Car Magazine, Stephan Reil, Audi Quattri Division boss, said that Audi were planning a range of RS Plus models which could get not just a performance boost but less weight too.