Quick summary: An oil-cooled motor is more expensive upfront, but offers greater benefits to the whole vehicle. My first ...

Liquid cooled engines have more uniform cooling and they must have a radiator. Either of these can have a supplementary oil cooler, which has a small radiator that takes away the heat from the oil ...

Porsche Classic is helping out, though, by introducing its own brand of motor oil for the demands of the company's vintage, air-cooled engines. Developed at the Porsche Development Centre in ...