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

Jaguar XF-R unveiled at Detroit auto show 2009

By Tim Pollard Motor Shows 10 January 2009 22:52 Jaguar's XFR is shown today at the Detroit auto show 2009 – and the XFR at a stroke becomes the fastest saloon the Midlands manufacturer has ever made for the roads. Jag has taken the XF saloon and fettled it with the new direct-injection 5.0-litre V8 petrol engine that supersedes the familiar 4.2, but breathed upon by a new supercharger to crank out a wholesome 503bhp.The R model is extremely rapid, thanks to a classic Ayers Rock torque curve that peaks at 461lb ft from just 2000rpm and doesn't go away until 5000rpm. There's brawn wherever you need it, and the XFR scuttles to 60mph in a scant 4.7sec.

One Lap of the Web: Car stuff you may have missed

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. -- Speedhunters brings us a gorgeous photo essay of cars on the N

Aston Martin One-77 Nurburgring Spy Video

The Aston Martin One-77 gets a run at the Nurburgring - Video below For real car lovers the ‘Eco’ push in recent years has left us a little perplexed. Perplexed and confused as we try to come to terms with the joys of a turbo diesel (and there are joys, much to my surprise) and the loss of big V10 and V12 engines in production cars. Thankfully, there are still enough wealthy people in the world who don’t give a fig about the opinions of the eco-mentalists and who are inclined to buy the best that car makers can produce, regardless of eco-sensibilities. Which is why we can still glory in motoring delights like the Aston Martin One-77 even if its £1.2 million price tags is beyond the reach of most.