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Infiniti explored V8, diesel, hybrid power for Q50 Eau Rouge

Infiniti boss Johan de Nysschen "insists" the car be put into production.
Over the past few years, rumors have swirled about an Infiniti-badged, four-door version of the Nissan GT-R. Makes sense to us - Infiniti could certainly use a performance halo, and the seemingly forgotten IPL initiative hasn't exactly bore any interesting fruit. Enter the Q50 Eau Rouge, which recently debuted for a second time at the Geneva Motor Show packed with the 3.8-liter, twin-turbocharged heart of Godzilla itself.

Infiniti Q60 Project Black S packs F1-derived hybrid twin-turbo V6

At the 2017 Geneva Motor Show, Infiniti unveiled the Project Black S, a souped-up version of the Q60 coupe that packed technology derived from the Renault Sport Formula 1 Team's race cars. Details were scarce. Aside from some F1-inspired bodywork, all we knew was that the twin-turbo V6 would be paired with a kinetic energy recovery system, or KERS for short. At next week's Paris Motor Show, Infiniti is bringing a new concept that's a bit more polished as well as some additional details about what rests under the hood. The car is still dubbed the Infiniti Project Black S. The car still packs a twin-turbocharged 3.0-liter V6 paired with an energy recovery system. Infiniti claims the car makes 563 horsepower, up from 400 in the Q60 Red Sport 400. The Project Black S should hit 60 mph in fewer than four seconds. The powertrain uses three motor generator units (MGU) and a single MGU-K that harvests brake energy. Two electric turbochargers harvest heat energy from the exhaust, meaning the car can gain energy both under braking and acceleration. Visually, there's not much that's changed from last year's Geneva concept. We only have one new photo, but to our eyes the only difference is a few yellow accents on the front bumper. We'll have to wait until next week's reveal for more photos. Related Video:

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