2006 Jaguar Xkr Supercharged Convertible 2-door 4.2l on 2040-cars

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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.

Here's what a front-row seat looked like in 2014 Mille Miglia

From 1927 to 1957, the Mille Miglia was one of the great, romantic European road races of the golden era of motorsports. The cars were fast, beautiful and loud but also extremely dangerous and regularly claimed drivers' lives. After two fatal accidents in '57, the event finally had to reform and came back in 1977 as a historic rally held over the course of several days. That didn't make things boring, though, and Xcar found that out firsthand with a front-row seat to this year's race in a 2015 Jaguar F-Type R Coupe.
Xcar was actually following the Jaguar team this year that included Ian Callum and Jay Leno in an XK120, which we previously got a glimpse of when it was covered on Jay Leno's Garage. Where Leno focuses on a more personal story of competing, this one takes a more macro view. You really get an idea of how crazy the Mille Miglia still is, and while the F-Type is way too new to actually compete in the rally, it can still wear an event sticker and drive with the vintage racers.
One amazing fact about today's Mille Miglia is that if you're competing in the event, there are basically no rules. The roads are technically still open to traffic, but the police shut down intersections and provide a rolling roadblock. Xcar's F-Type alternated between following on the course with the classics and snipping off chunks of the route to watch the participants arrive at each stop. Check out the video to experience fantastic historic rally.

Jaguar F-Type Coupe proves sexy can't be disguised

Jaguar's new F-Type is a pretty potent little pouncer. And while we do love a good roadster, many of us at Autoblog are perhaps more excited about the upcoming hardtop version of Jag's stylish new entry-level sports car. Why? Because even here in heavily camouflaged prototype form, the thing looks really, really good - the sleek roofline blending rather nicely into the F-Type's shapely rump, allowing for better distinction of its pronounced hips over the rear wheel wells.
Mechanically speaking, the F-Type Coupe should be identical to its droptop sibling. That means the supercharged 3.0-liter V6 and 5.0-liter V8 engine lineup should carry over unchanged, though we've heard rumors about a four-cylinder application as well. There's also talk of hotter R, R-S or R-S GT models coming down the pipeline, and based on what we've experienced in things like the XKR-S, we certainly can't deny the allure of such a model.
It's unclear exactly when Jaguar will show the production F-Type Coupe (at the Frankfurt Motor Show, perhaps?), but the car is expected to go on sale sometime in 2014. Check it out in our latest spy gallery, above.