Porsche 911 Restomod Coming With Supercharged 450-HP Flat-Six

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This is going to be epic.

When it comes to air-cooled Porsche 911 restomods, Singer sets the standard, blending old-school styling with modern tech and superior performance. But Singer isn't the only company that builds stunning Porsche 911 restomods. Effectively the UK's answer to Singer, Theon Design was founded in 2015 and recently unveiled a Porsche 911 restomod worth an eye-watering $416,000. Now, Theon Design is working on its first-ever supercharged 911 restomod based on a 964 that will elevate the performance of Porsche's flat-six engine to new levels.

Theon Design offers a choice of three naturally-aspirated engine configurations, including a 285-horsepower 3.6-liter, a 370-hp 3.8-liter, and a 400-hp 4.0-liter unit.

Theon Design
Theon Design
Theon Design

Theon Design's next 964-generation 911 project combines a 3.6-liter flat-six with a Rotrex supercharger, increasing the total output to 450 hp and 368 lb-ft of torque. Since space in the 964 911's engine bay is restricted, the supercharger was installed in the space where the air-conditioning unit used to be, a process that took six months.

Some of the existing air conditioning brackets were used to support the supercharger, in addition to custom-built brackets that mimicked the design and materials used for the engine cam covers and other elements. A water-methanol injection system was used, eliminating the need for an intercooler and bulky intakes in the bodywork. "Everything non-essential" was removed from the engine bay to reduce as much weight as possible.

Theon Design
Theon Design
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As well as providing additional performance, the Rotrex supercharger will "maintain the seamless delivery of a Porsche naturally-aspirated engine," with "linear power delivery and instant throttle response with no delay or lag," according to Theon Design founder Adam Hawley. And if you were worried the whine of the supercharger will dilute the 964's signature flat-six sound, fear not. Theon Design says the supercharger has a "very subtle 'whine' so the flat-six is still front and center, with some wonderful added character."

Will this improve on the sublime Singer 911 DLS and become the new ultimate air-cooled 911? The result should be epic, but we'll find out in a few months when Theon Design presents its new supercharged air-cooled project.

Theon Design
Theon Design

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