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New Porsche 4-cyl engines to range from 1.6L to 2.5L

Recent rumors of a turbocharged, flat-four-engine from Porsche for the Boxster (pictured testing above), Cayman and maybe other models go back over a year. The latest scuttlebutt indicates that there could be three variants on the horizon with 1.6-, 2.0- and 2.5-liter displacements and power as high as 360 horsepower.
Car magazine in the UK claims to have access to the specifications for the project and thinks the 2.0- and 2.5-liter versions are guaranteed for production for the Boxster and Cayman. However, it believes a question mark still looms over the 210-hp 1.6L because the engine would go into a new, smaller sports car that still doesn't have a green light for production.
Regardless of displacement, the new fours would be turbocharged and direct-injected. The 2.0-liter would produce around 286 hp and 295 pound-feet of torque, and the 2.5-liter would make about 360 hp and 347 lb-ft. Earlier reports pegged some parts sharing with the current flat-six.

More details on Lanzante's F1-engined Porsche 930 restomod

Not long after last year's Porsche Rennsport Reunion, we posted on Lanzante Engineering's restomod project with the original Porsche 911 Turbo. McLaren Formula One used TAG-branded Porsche engines for four years in the 1980s to win two constructor's and three driver's championships. McLaren sold 11 of those engines to Lanzante — nine of which have been raced, one with a win to its credit — and Lanzante is installing them into the original chassis of some 930s. PistonHeads stopped by the shop to find out more. By the end of its service in the MP4/3, the TAG-Porsche TTE P01 motor rang up 1,060 horsepower in qualifying and 960 hp in the race, revving to a 12,600-rpm redline. Porsche engine legend Hans Mezger had led the development, coaxing those numbers from just 1.5-liters of V6 aided by two large KKK turbos at a max of four bar. All that was fine for a time when F1 ran with unlimited testing and unlimited parts, but a modern owner doesn't want to pay five techs to live in his garage and keep his car running. Lanzante asked Cosworth to make the engine more drivable and reliable. Cosworth installed a new crankcase, adjusted the air-fuel mixture, and installed smaller turbos for quicker power delivery, decreasing max boost by 25 percent to three bar (43 psi). The redline has come down to 9,000 rpm, for final output figures of 503 hp and 310 pound-feet of torque. According to PistonHeads, power climbs a "steady incline to redline," and more than half the rev band delivers maximum torque. The 503-hp rating doesn't sound like much today, when a Mustang gets more than 700 hp. Yet the first 930 Turbos got 296 hp and 243 lb-ft from a 3.0-liter flat-six with one big KKK turbo. The most powerful 930 Flatnose worked up 330 hp and 347 lb-ft from a 3.3-liter flat-six. Lanzante's taken out a ton of weight, though. The TAG engine is already 220 pounds lighter than the 930's 3.3-liter; a new carbon fiber hood and engine cover, and aluminum door skins shed more pounds. The total package weighs roughly 2,430 pounds, which is more than 500 pounds lighter than the original Porsche Turbo. That includes the extra pieces needed to make an F1 engine power a passenger car. Lanzante had to swap in a 930 Flatnose front bumper, which replaces the fog lights for oil coolers. The team put radiators at the front of the car as part of a brand new water cooling system. The climate control is entirely electric, because F1 cars didn't come with HVAC.

Porsche is planning a hybrid version of the 911

Changes at Porsche are coming thick and hot. It's been a few decades since the last major engine technology change – the very dramatic shift from air- to water-cooling. Now we're seeing a turbo shift, in which even pedestrian 911s, Caymans, and Boxsters are being fitted with turbos. Next up is hybrid proliferation throughout the manufacturer's full range. Hybrids aren't new to the Porsche lineup, of course. The Panamera hybrid has appeared in two forms, one in 2012 and one in 2015. Likewise, the Cayenne hybrid was recently upgraded to plug-in spec. The 918 Spyder is also a plug-in hybrid. The 911, Cayman, and Boxster have been left off the hybridization program so far, but that's about to change. The 911 is "next in line" for hybrid tech, says Lutz Meschke, a board member at Porsche AG. That means we'll likely see a hybrid 911 before the fully-electric production Mission E arrives. Every Porsche model will eventually get a gas-electric option, so the Macan crossover and 718 Boxster and Cayman will follow the iconic sports car's lead soon. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The turbocharged base 911 has fractured critical opinion somewhat, although we loved our first drive of the 2017 911 Carrera with its twin-turbo flat-six engine. Do you fear or welcome the coming hybrid epoch? Let us know in the comments. Related Video: