Here We Have The 1140-hp Koenigsegg Engine

Having used the Ford Modular V8 as a launch pad, Koenigsegg reengineered this berserker mill for the Agera R hypercar from the ground up at its headquarters in Ängelholm, Sweden. Its goal? Specifically to get as many horses galloping as possible.

On this episode of Inside Koenigsegg, Christian Von Koenigsegg gives us a walk-around tour of the five-liter, 1140-horsepower V8 that provides the Agera R with its cornea-popping performance. It's the "heart of a hypercar" if you will.

Weighing around 436 pounds, the V8 is bolted right onto the Agera R's carbon-fiber monocoque to act as a stressed member, like engines often do on purpose-built racecars. 

Interesting to note, cars headed to Brazil are factory-tuned to run on straight ethanol (E100), which is heavily used in that sugar cane-rich nation, where nearly all new cars sold are flex-fuel capable.

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Koenigsegg CCR tuned by edo Competition

The Koenigsegg CCR has enough power to shame most supercars, but that wasn't enough for one owner who found the whole driving experience a tad underwhelming.

To correct the misgivings, he enlisted edo Competition to modify the drive ratio and install a remapped ECU. As a result, the twin-supercharged 4.7-liter V8 engine hits its torque peak earlier and has an increased output of 891 PS (655 kW / 879 hp). Oddly, despite the extra power, the top speed was "reduced slightly" from 390 km/h (242 mph).

Furthermore, to fix the "notchy gear changes," edo engineers disassembled the transmission and replaced the plastic bushings with Uniball units. This results in improved acceleration and enhanced drivability.

Lastly, the cabin was outfitted with Alcantara upholstery, a redesigned center console, a new infotainment system, and a tire pressure monitoring system that has a display integrated into the dashboard.