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This classic Jaguar XJ has a 720-hp ungentlemanly secret

Forget Tawny Kitaen. If you want to make a Jaguar XJ rock, just do what this guy did: stuff a heavily modified and turbocharged General Motors V8 under the hood, and take it to the track.
The video calls this Series 1 XJ a sleeper, but with its open exhaust and obvious turbo whistle, the once-gentlemanly sedan is anything but. The owner says that the engine is GM LQ9 V8 that has been stroked to 402 cubic inches putting out around 720 horsepower with 12 pounds of boost (in standard form, this 6.0-liter V8 was used in the second-gen Cadillac Escalade). Check out the video below to see what that kind of power does for this classic Jaguar in the eighth-mile.

Jaguar Land Rover proposes seats that scientifically massage your butt, for your health

Habitually sitting too long can degrade a person's health. Scientific research has proven that dormancy can increase the risk of obesity, diabetes, cardiovascular disease, deep-vein thrombosis, and metabolic syndrome, according to the Harvard Medical School. Although sitting can be avoided in many cases, such as using a standing desk at work, taking a seat is the only option when hopping in the car for a drive. Jaguar Land Rover (JLR) is hoping to address this negative aspect of cars with a new high-tech seat that the company says mimics the act of walking.  JLR calls the concept a shape-shifting, or morphable, seat system, and it is currently in a trial period with Jaguar Land Rover’s Body Interiors Research division. Using actuators built into the seat's foam, the seat will constantly be in motion with micro-adjustments that can be tuned to the needs of different people and body types. JLR believes it has created a system that recreates what is known as pelvic oscillation, a motion that can supposedly trick the brain into thinking the body is walking. In addition to helping to prevent internal health issues, JLR also notes that a sedentary lifestyle can degrade and shorten muscles in the legs, hips, and rear. If these muscles are worked on a regular basis, the chance and risk of injury and back issues could potentially be reduced. The new seats are just one of many car interior technologies JLR has explored. In the past, we've seen tech that tracks brainwaves and heart rates, creates augmented reality, helps prevent motion sickness, and helps stop the spread of germs. They've also taken the time to have an expert demonstrate the perfect seating position. Most of this stuff is experimental for now, but it's possible similar features could eventually trickle down to production cars, in time. See how the seat moves in the video below. Related Video:    

Ian Callum wanted to call Jaguar's crossover X-Type [w/poll]

Jaguar raised some eyebrows when it announced that it would call its upcoming crossover F-Pace. But the British automaker didn't just pick the name out of a hat. Speaking with Auto Express, Jaguar's design director Ian Callum said the company entertained several possible nameplates for its first crossover, and that he personally advocated for resurrecting the name X-Type. The nameplate was, of course, previously used on the marque's entry-level sedan – the predecessor to the upcoming XE that was based on the front-drive platform of the Ford Mondeo and which was also offered with all-wheel drive. The connection with that much-maligned model is reportedly ultimately what dissuaded the company's marketing gurus from using the nameplate again, even if it might have been more suitable. Another nameplate Coventry reportedly considered was XQ, but the latter letter's use by rival Audi for its crossovers and by former sister company Aston Martin for its personalization range ruled the prospect out for the Leaping Cat marque. Auto Express notes a connection between the name F-Pace and Jaguar's 1960s ad campaign hailing its products as offering a combination of "Grace, Space and Pace." For his part, Callum didn't dismiss the possibility the slogan could could lead to additional models wearing similar nameplates like F-Grace or F-Space. What do you think – did Jaguar pick the right name for its first foray into the crossover market? Share your thoughts in Comments and cast your vote in our poll below.