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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.

Check out Harry Metcalfe's 1978 Jaguar XJ 5.3 V12 Coupe

Jaguar may have built its business producing luxury sedans, but it also made some superb coupes over the years, from the XK120 through the E-Type, XJS and XJ220 to today's F-Type. The automaker has largely steered clear of turning its four-door models into two-doors, but there was a time when it did exactly that. And Harry Metcalfe, former editor of the British car magazine Evo, just happens to have one in his garage. Based on the Series II XJ sedan, the XJ Coupe was long and elegant – something along the lines of what you might see today in the form of the Mercedes S-Class Coupe, but smaller and built the better part of four decades ago. With only around 10,000 of them made, the pillar-less XJ-C was much rarer than the more iconic E-Type, and even fewer of them packed the 5.3-liter fuel-injected V12 engine. That makes the former Evo editor's ride a rather scarce one indeed, and well worth checking out in his latest video clip.

'New' continuation Jaguar XKSS to debut in November in LA

Jaguar announced on Tuesday two important debuts for Jaguar Classic's continuation models, the Lightweight Jaguar E-Type and the new XKSS. In November, the Jaguar XKSS continuation model will make its debut in California to coincide with this year's LA Auto Show. The company revealed the plan to build nine of these cars a few months ago in order to complete the original production run. That run began in 1957 when Jaguar began building road legal versions of unsold D-Type race cars. However, production stopped short when a fire at the Browns Lane factory destroyed the remaining cars. Jaguar explained that the company will use what they learned from developing the Lightweight E-Type continuation series, and Jaguar Classic employees will build these XKSS models to the original specifications. If you had your heart set on ordering one to fulfill your Steve McQueen fantasy, you're out of luck. All nine have already been sold. View 46 Photos In addition to the XKSS public reveal, the 2015 Jaguar Lightweight E-Type will soon make its competition debut. The car in particular is chassis number 15, one of the six continuation cars, and it will compete in the Jaguar Classic Challenge race on July 9 at this year's Le Mans Classic. Another automotive icon will be behind the wheel of this iconic sports car. Top Gear presenter and automotive journalist Chris Harris will pilot the E-Type at Circuit de la Sarthe alongside an array of other vintage Jaguar race cars. Like the XKSS continuation cars, the Lightweight E-Types were also built to finish their respective production run. And although these continuation cars are only a couple of years old, they are identical to the originals and are thus FIA compliant for historic racing. Related Video: