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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.

Are you the Jaguar F-Type Coupe R-S?

It's no secret that Jaguar is working on a fixed-roof version of the F-Type roadster, but now it looks like it's also developing a high-performance model for said coupe. Captured sharpening its claws at the Nürburgring, this F-Type Coupe prototype could very well be an R-S or even a more track-ready R-S GT variant.
Our biggest clue suggesting the latter are its massive brake rotors with bright-yellow calipers - similar pieces are also found on the recently introduced XKR-S GT. This would make sense, since a report in May said that Jaguar is looking to create a full line of R-S GT models in a similar fashion as the Mercedes-Benz AMG Black Series. Missing from this prototype, though, are the telltale aero add-ons we seen on the XKR-S GT - go-faster bits like the latter's front fascia winglets and rear wing, though this model is obviously still being developed. Regardless of what this new grippier, quicker kitty is called, we say "Yes, please."

Jaguar planning two bodystyles for next XJ

As we alluded to in today's F-Type first drive, Jaguar hasn't been selling its wares in China for very long, and as a result, buyers there usually don't have the same appreciation for the brand's history. So you might reasonably think that the company's recent radical styling shift (kicked off by the 2008 XF) wouldn't be as jarring to the nation's buying populace since they really didn't have the automaker's more traditionally styled models from years past to compare them against.
Yet while Jaguar and its sister marque, Land Rover, continue to pick up steam in China's developing market, that apparently isn't necessarily the case. Local buyers there tend to have more conservative tastes when it comes to styling, preferring more upright dimensions, big back seats and larger quantities of traditional luxury materials (think: chrome and wood) than other markets currently find desirable. Thus, the very bold current-generation XJ sedan may be leaving some sales on the table.
According to Edmunds, Jag doesn't want to risk that, and as such, it is preparing two bodystyles for the next-generation XJ - one with the rakish coupe-like styling of the current model, and a more "old-school" three-box sedan designed to appeal to a wider swath of Chinese buyers.