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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

How and why Nissan nearly killed off Infiniti

Launched in 1990, Infiniti was expected to be Japan's answer to BMW (Lexus would end up chasing Mercedes-Benz). Yet things went awry almost right out of the gate. Overlooking the fledgling automaker's now infamous early marketing campaign, its product line over the past twenty-four years has been a roller coaster ride of strong hits (Q45, FX35 and G35) and frustrating misses (M30, I30 and QX4).
In a recent interview with Ward's Auto at the Detroit Auto Show, Nissan Executive Vice President Andy Palmer revealed that the company's luxury brand was almost cancelled by CEO Carlos Ghosn as unnecessary. Infiniti, like most premium marques owned by a volume manufacturer, had fallen into the trap of losing autonomy and pushing its high-end product just like its mainstream models.
The one obvious exception to this industry blunder, said Palmer, was VW Group's Audi brand. Realizing that Audi's impressive comeback over the past two decades shamed even that of actor Robert Downey Jr., Nissan hired Audi veteran Johan de Nysschen to bring Infiniti to its intended glory - and protect it from extinction. Check out the complete interview here.

Nissan Canada offers box-fresh racecar for $19,998 [w/video]

Nissan is seriously emphasizing its commitment to motorsports with projects like next year's GT-R LM endurance racer at Le Mans and the company's participation with GT Academy. At least in Canada, the automaker is adding another opportunity to get people onto the track with the new Nissan Micra Cup one-make race series. Sure, the Micra might not as quick as a GT-R, but this series offers Canadians a chance to start racing for a reasonable price. Nissan claims the events have "the lowest running cost of any Canadian series," and we can't think of a cheaper turnkey new racecar in all of North America.
The cars are all based on the not-for-US Micra 1.6 S M/T model with a 1.6-litre four-cylinder engine making 109 horsepower and 107 pound-feet of torque and a five-speed manual gearbox. The only real performance upgrades are a Nismo suspension kit, new exhaust, improved brake pads and sticky Pirelli tires. For added safety, the interior is entirely stripped out and is replaced with a full roll cage with a driver protection net, FIA-approved racing seat with five-point harness, fire extinguisher and front and rear tow hooks. The whole, race-ready package will set competitors back $19,998 Canadian dollars before taxes.
The inaugural Micra Cup series begins in May 2015, and the first season is exclusively taking place in Quebec, with the promise of moving to other provinces if it's a success. Each event includes a half hour of practice, a half hour of qualifying and a pair of half-hour races. Nissan is estimating impressive fields of over 25 cars of competitors.