Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing carbon fiber airbox and fan shroud with CFD-optimized and enlarged fan. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.
  • Porsche flat six modified by Singer and Williams
  • Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing carbon fiber airbox and fan shroud with CFD-optimized and enlarged fan. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.

  • Image Credit: Singer Vehicle Design
Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing carbon fiber airbox, fan shroud and intake trumpets with CFD-optimized and enlarged fan. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.
  • Porsche flat six modified by Singer and Williams
  • Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing carbon fiber airbox, fan shroud and intake trumpets with CFD-optimized and enlarged fan. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.

  • Image Credit: Singer Vehicle Design
Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing CFD optimized ram-air induction system via rear side window opening and Inconel / titanium exhaust system. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.
  • Porsche flat six modified by Singer and Williams
  • Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing CFD optimized ram-air induction system via rear side window opening and Inconel / titanium exhaust system. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.

  • Image Credit: Singer Vehicle Design
Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing CFD optimized ram-air induction system and Inconel / titanium exhaust system. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.
  • Porsche flat six modified by Singer and Williams
  • Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, showing CFD optimized ram-air induction system and Inconel / titanium exhaust system. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.

  • Image Credit: Singer Vehicle Design
Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, housed in engine bay. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.
  • Porsche flat six modified by Singer and Williams
  • Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, housed in engine bay. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.

  • Image Credit: Singer Vehicle Design
Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, housed in engine bay. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.
  • Porsche flat six modified by Singer and Williams
  • Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, housed in engine bay. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering. 

  • Image Credit: Singer Vehicle Design
Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, housed in engine bay. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.
  • Porsche flat six modified by Singer and Williams
  • Porsche 4.0L air-cooled flat-six with 4-valve cylinder heads, housed in engine bay. Restored and modified by Singer Vehicle Design and Williams Advanced Engineering.

  • Image Credit: Singer Vehicle Design
Singer Vehicle Design continues its quest to restore and modify vintage Porsche 911 models, now working in cooperation with Williams Advance Engineering, a division of the well-known Formula 1 racing outfit. Hans Mezger, an expert engine designer and engineer, is consulted on this latest project. Drawing on the skills and knowhow of Williams, Singer has restored and modified an air-cooled flat-six Porsche engine displacing 4.0 liters to be installed in the hind end of a 1990 Porsche 911 commissioned by Scott Blattner.

Singer and Williams haven't yet released all the details on the project, but we know the engine will make 500 horsepower and boast a rev limit over 9,000 rpm. Carbon fiber, magnesium, titanium, and even Inconel parts combine to save what we're sure will be a great deal of weight over the stock Porsche bits and pieces. "Singer is delighted to be working with Williams Advanced Engineering and Hans Mezger to offer our clients a 'next level' of restoration and modification services for their Porsche 911s," said Rob Dickinson, Singer founder. "With careful and dedicated development, this iconic air-cooled engine has much to give both its existing devotees and a generation of new enthusiasts."

Jonathan Williams, Williams Heritage Director, said of the partnership, "As an admirer of the 911, I'm thrilled that we're working with Singer and its clients on these restorations."

Thing is, it's hard not to be an admirer of both the original Porsche 911, and the range of restored and modified creations by Singer Vehicle Design. Expect more details within the next few weeks for this program, which is separate from Singer's other restorations, but in the meantime, check out the image gallery above to see the level of design and craftsmanship going into this project.

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