2012 Jaguar Xjl Portfolio Executive on 2040-cars

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How Jaguar optimized the Ingenium gas engine for the F-Type

At the 2017 New York Auto Show, Jaguar showed off the new entry-level F-Type, packing a 2.0-liter, turbocharged, gasoline-fueled inline-four that produces 296 horsepower, which is built in-house in the UK. It's the debut of this branch of the Ingenium engine series, and it's also the top of the Ingenium gas range; most JLR vehicles will offer a less powerful 247-hp version. We caught up with Jaguar's engineers to figure out exactly how this high-output Ingenium engine differs, and what Jaguar had to do to fit it in the F-Type's engine bay. While all Ingenium 2.0-liter gas fours share major architecture – the aluminum block and heads, as well as the bore and stroke – there are some internal differences. The most important are the low-compression pistons, which allow for more boost without detonation. The new compression ratio is 9.5:1, compared to the 10.5:1 ratio in the 247-hp spec engines. To make the most out of more boost, you need new plumbing and a way to get more fuel into the combustion chamber. So Jaguar fitted a larger twin-scroll turbocharger that's unique to this application. It features low-friction ceramic ball bearings – Jaguar says this improves transient response. There are also new fuel injectors and a fuel pump to accommodate the increased demand for gas in the high-output engine. On the back end, there's a unique exhaust system with active flaps to give it a louder bark when called for. Of course, some new hardware and more boost means the various electronic systems that control the engine needed changes. For one, Jaguar's changed the cam timing and valve lift mapping, as well as the ignition timing. The throttle mapping and transmission calibration have also been optimized for the new engine. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. As far as the driver's concerned, the biggest change from the 247-hp engine to the 296-hp one – other than increased scoot – will be where the power peak is. The 296-hp engine makes peak power at a higher point in the rev range, which should reward drivers who generously prod the throttle and hold gears in manual mode. Remember, F-Types equipped with this engine will only be available with an automatic transmission. You should also remember that it's an excellent gearbox overall, with rapid, smooth shift characteristics, if the other 8-speed Jaguars are anything to go by.

2014 Jaguar XKR-S GT claws at the driving enthusiast in us

If you still find yourself coming up a few seconds short per lap in your Jaguar XKR-S, the British automaker has introduced the XKR-S GT - a cat specifically tuned for the racing circuit - at the New York Auto Show.
While Jaguar has left the supercharged 5.0-liter V8 unchanged (550 horsepower and 502 pound-feet of torque), it has tuned and tweaked all the items that really make cars go quicker on the track (e.g. suspension, aerodynamics, contact patches, brakes). A once-over reveals upgraded go-fast goodies including a new ventilated hood, extended wheel arch spats, reworked front end with a bespoke front splitter and canards, a massive rear wing, height-adjustable adaptive dampers, active exhaust, carbon-ceramic brakes and sticky Pirelli Corsa tires. Try as we might, the driver in us can't find anything we not to like about this enthusiast-tuned coupe.
Of course all of the upgraded XK goodness doesn't come easy, or cheap. Jaguar will limit North American sales to just 30 units and price each at $174,000. Learn all the juicy details in the official press release below.

David Brown Speedback GT marks US debut at The Quail

The British invasion has officially deployed another expeditionary force to these American shores with the arrival of the David Brown Speedback GT. The classically styled English grand tourer debuted nearly a year and a half ago, and has been racking up orders from discerning customers in the UK and across continental Europe. As promised, it has now made its American debut at the swanky Monterey event known as The Quail, A Motorsports Gathering. The Speedback GT is a coachbuilt grand touring coupe made by British startup David Brown Automotive. It's based on a Jaguar XKR, but reskinned inside and out to give it the look and feel of a classic Aston Martin – little wonder given the name it shares with the former Aston chief whose initials still adorn the DB model line. Underneath the retro bodywork lies Jaguar's celebrated 5.0-titer supercharged V8, giving the Speedback thoroughly modern levels of muscle with 510 horsepower and 461 pound-feet of torque. The resulting 0-60 time of 4.6 seconds and top speed of 155 miles per hour are suitably quick – not quite time-warping, but the performance is certainly nowhere near as old-school as the design would lead you to believe. Call it the best of both worlds, then, if you dig the styling. But don't expect everyone to be jumping on this particular gentlemanly bandwagon. At nearly half a million pounds sterling – over $750k at current exchange rates – it's sure to keep out the riffraff of which "the rest of us" are most certainly part. Featured Gallery David Brown Speedback GT: Monterey 2015 View 14 Photos Image Credit: Copyright 2015 Drew Phillips / AOL Misc. Auto Shows Jaguar Coupe Luxury Pebble Beach david brown automotive