Due to the water cooling for those heads, the Singer DLS Turbo cannot claim to have the most potent air-cooled engine.

The engine is completely rebuilt with high performance ... Visitors to the 2023 Goodwood Festival of Speed will get the chance to see the Singer DLS Turbo in action. Steve looks after the ...

Singer has unveiled the ... new upgrades for the new car’s engine, chassis and body. The project is known as the Dynamics and Lightweighting Study (DLS) and will form the basis of many future ...

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Enlarged to 3746cc and featuring twin turbochargers with air-water intercooling, the engine has almost twice the power and torque of the original 1974 930 Turbo ... for Singer’s DLS restorations.