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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

Altima Coupe dead as Nissan charts the changes for 2014

The 2014 model year brings plenty of new designs and updates from Nissan - including the next-generation Rogue - but the Altima Coupe has been discontinued. The current generation of the Coupe won buyers over with sharp styling and, at one point, a 270-horsepower naturally aspirated V6 - the heart of the more upscale Infinity G37. It's unlikely that Nissan plans to make another one, but keep in mind the current Coupe was released to the public about a year after the sedan hit dealerships.
The vehicles joining Nissan's lineup for 2014 include the Versa Note hatchback, the NV200 Compact Cargo van and the next-generation Rogue compact SUV. Also new for 2014 is the Pathfinder Hybrid, but that will be added to the lineup in the fall.
Other models that are receiving enhancements are the sedan version of the Altima, which now comes standard with the CVT transmission and gets revised option packs; the Frontier, which gets updated option packs, enhanced navigation system functionality and a sliding middle rear window; the GT-R, which receives a bunch of small performance enhancements and, more importantly, initially will be offered in three versions (Premium, Black Edition and Track Edition), with another, limited special-edition model coming late in the year; the Versa sedan, all versions of which get 60/40-split fold-down rear seats and revised steering and suspension tuning; and last, but not least, the 370Z NISMO will have exterior accent color updates and a new steering wheel and tachometer.

Nissan recalling 104k Juke models over faulty timing chain [UPDATE]

General Motors isn't the only manufacturer that gets to issue a recall today, as Nissan is set to announce a voluntary recall of the 2011 to 2013 Juke due to a fault with the timing chain. 104,439 units are affected by this recall. The timing chain in some Jukes could deteriorate over time, leading to a warning light in the instrument cluster. In extreme cases, the chain could snap.
Owners of affected vehicles are being notified, and will need to report to their local dealership. The free repairs will replace the timing chain, chain guides and crank sprocket.
Take a look below for a short statement to Autoblog from Nissan.