Lightweighting While Restoring a 1990 Porsche 911

By on July 10, 2018 in IN THE NEWS

Singer-Williams restored 1990 Porsche 911 Courtesy of Jalopnik

Singer is in the business of restoring Porsche 911s. When a client said he wanted better performance and a lower weight in his 1990 Porsche 911, Singer set out to deliver. It

 brought in Williams Advanced Engineering to achieve the modifications needed to make the car lighter while making it run better.

Not an easy task, as it turned out.

Singer and Williams started by buying several 911s to, as Sean Szymkowski writes in Motor Authority, “pick out particular driving characteristics that made each model unique and exquisite. Eventually, the teams would work to mold each piece of character into the 911 lightweight restoration.”

Two autos were restored, the Parallax White 1990 with a Norfolk Yellow interior and a Heart Attack red 1989 with a black interior. The Dynamic and Lightweighting Study (DSL) vehicles were powered with a 500-hp, 4.0-liter naturally aspirated flat-six. The engine was modified to include magnesium parts, reducing weight. It also had lightweight throttle bodies with upper and lower injectors that gave superior performance and drivability.

It was up to Williams to reduce weight and improve weight distribution. With that end, torsional stiffness and mass efficiency were enhanced. To further cut weight, carbon fiber and aluminum were used on the body and suspension parts.