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Nissan to pursue FWD Nurburgring lap record with Pulsar Nismo

Europeans get very serious about their hot hatches. So do the Japanese. In fact there's been a whole back-and-forth lately over who makes the fastest one, and now Nissan looks set to throw its racing hat into the 'Ring.
That would be the Nürburgring, of course, where automakers trade bragging rights like baseball cards - only they don't give them up willingly. Renault set the front-drive lap record in 2008 with the previous Mégane R26.R then set the bar even higher with the Mégane RS 265 Trophy. That was before Seat stole the honors with its Leon Cupra 280, only for Renault to take them back again with the Mégane RS 275 Trophy-R. Seat is rumored to be considering a renewed assault, but it won't be the only one nipping at Renaultsport's heels in the coming years.
Honda, for its part, has made no secret of its ambition to set the record with the upcoming Civic Type R, and now word has it that Nissan is planning an assault of its own. Its weapon of choice would be an upcoming Nismo version of the new Pulsar hatchback which is just hitting the European market now as a rival to the Ford Focus, Volkswagen Golf, et al. There's no word on what its specs would be, but if it's going to challenge these players, it's going to need between 270 and 300 horsepower, a stiff suspension, big brakes and probably some sort of trick differential.

Nissan recalls over 120,000 Altimas due to... spare tire inflation?!

A pressure regulator that over- or underinflated spare tires for five days earlier this year has led to a recall of 123,308 units of the 2013 Nissan Altima. Sedans that were manufactured from March 21-26 are those possibly affected by the temporary tire snafu, the recall for which will begin on May 3.
Those notified of the issue can take their sedans to their local Nissan dealer, who will check the tire pressure and correct it if necessary, but we imagine owners can probably just whip out a tire gauge to check and adjust the inflation for themselves. Should you need it, there's an official notice from the National Highway Traffic Safety Administration below with a few more details.

A look inside Infiniti's variable-compression engine

We're sympathetic to anyone who had trouble understanding what's going on with Infiniti's new variable-compression engine. While we got a full tech briefing on the novel VC-Turbo back in August, the visual aids were lacking. The cutaway engine Infiniti brought to the Paris show fixes all of that. You can thank the little green and pink lines on the cutaway for making the whole idea a little more clear. Click through the gallery to see two lines – one green and one pink – that represent the different strokes allowing for different compression ratios. Remember, the compression ratio is the amount of volume in the cylinder on intake compared to the amount at the end of the compression stroke. Leave more room at the end and you lower that ratio. The length of the stroke doesn't change with this system, but where it sits along the cylinder does. Hence those two lines. The variable compression ratio allows this new turbocharged engine to maximize fuel economy when the turbo isn't needed by raising the compression ratio. It will see its first use in the next Infiniti QX50 crossover, previewed by the QX Sport Inspiration concept that's also on display in Paris, and has performance targets of 268 horsepower and 288 pound-feet of torque. After, it will migrate to other Infiniti and Nissan vehicles, with transverse front-drive-based applications first in line. Eventually, it's likely to completely replace Nissan's corporate 3.5-liter V6. We'll be poking around the engine a little more in Paris today to try and get some more info. For now, enjoy those cutaway images and those friendly little lines. Featured Gallery Infiniti VC-Turbo engine cutaway View 14 Photos Paris Motor Show Infiniti Nissan Technology Emerging Technologies engine 2016 paris motor show