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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

Nissan releases GT-R Nismo N-Attack Package workout video at Fuji

Nissan grabbed headlines last year when it debuted the GT-R Nismo and did a blistering 7:08.679 lap around the Nürburgring's Nordschleife. As it turns out, the GT-R that did that round made use of parts that lowered its weight and improved handling. Nissan calls the extras the N-Attack Package, which stands for Nürburgring Attack, and here is a video showing what its upcoming model can do.
The pack makes a variety of changes to make the Nismo GT-R a better handling car. The suspension and brakes are overhauled with Öhlins adjustable dampers, new stabilizer bar and new front brake pads. As you can see the outside is quite different with carbon fiber components replacing the front fenders and hood gurney, plus an adjustable carbon fiber rear wing with angle adjustments and two height settings. The interior gets a carbon fiber rear bulkhead to cut weight as well.
The release date or price for the N-Attack pack hasn't been revealed, but chief vehicle engineer Noboru Kaneko says that the test in the video at Fuji Speedway was to complete "final checks." So the package might not lag too far behind the standard GT-R Nismo. Scroll down to see the Nissan's pinnacle performance car testing on a cloudy day in Japan and read a brief press release about it.

Nissan Rogue Detour uses Google Maps to go create virtual test drive from your doorstep

The best way to evaluate a new car before you buy it is to test drive it. All of the specs and reviews in the world cannot communicate how a car suits you as well as a few minutes behind the wheel. Interesting, then, that according to Nissan, the average buyer spends twice as much time researching new cars online than they do at dealers.
To market its new 2014 Rogue, Nissan has launched an online marketing experience aimed at bridging that gap. Called The Detour, it combines Google Street View and Google Maps to give you a custom-tailored virtual test drive. The neat, uniquely interactive part about Detour is that it allows you to specify a starting and ending location. Thus, you can use the microsite to 'show' the Rogue on your commute, or your favorite stretch of tarmac. To spice things up, Nissan has added some digital effects and set the experience to a song by British rapper M.I.A.
Detour seems to work better on shorter journeys, because it snips out some portions of the route in order to keep the experience from running too long. If you're going to try it out, we suggest using a crosstown journey rather than going cross country. Scroll down to get all of the details on the Rogue's latest marketing campaign, or click here to try it out for yourself.