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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.

Jaguar could still revive XK as luxury grand tourer

With the F-Type taking the lion's – or Jaguar's – share of attention lately, it would be all too easy to forget all about a Jag once known as the XK. But it existed, and it could once again. First introduced in 1996 as the XK8 to replace the old XJS, the XK survived for two generations. It was available as a 2+2 coupe or convertible and was powered by Jaguar's signature AJ-V8 engine. By the time it was discontinued just this past summer, the ultimate XKR-S packed as much as 542 horsepower. But though it had two more seats, the XK was rendered largely obsolete by the arrival of the nimbler, newer and arguably more stylish F-Type. According to Autocar, however, the XK could be reinstated with a more GT-like approach. The XK as we've known it, said Jaguar's Ross Varney to the British weekly, "straddled the GT and sports car segment, with more of an emphasis on the GT side but probably not enough." Varney was in charge of the F-Type project and was also responsible for a new project to replace the XK until it was shut down earlier this year. "We have plans to do lots more with the F-Type," said Varney, "but there will still be other areas we want to cover. We need to find the right way to deliver on them, and the XK could be one way of doing that." What Varney is saying, essentially, is that while the XK project may not be moving forward just yet, it could be revived in the near future. If it did, we'd be looking at a more accommodating and luxurious grand tourer, different from the F-Type that's more of a focused sports car. Think of it, then, as more of a Bentley Continental GT, but probably less expensive - or put another way, if the F-Type is a junior Aston Martin V8 Vantage, the new XK would be a (relatively) more accessible DB9. The intel sounds similar to what we heard when the most recent XK was being put out to pasture, but tells us that hope is still alive for those interested in a two-door Jag with room for the kids in the back.

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