KEEP YOUR COOL

Automotive engines aren’t particularly efficient — a third of an engine’s output is heat energy, which needs to be dissipated to air and away from the vehicle. Cooling is therefore vital. In this article, we examine typical intercooler design...

Words Dan Furr

It’s not just water (in a traditional engine) that needs to be kept cool. Motor oil, charge air in forced induction applications, gearbox oil, differential oil and, in some cases, power steering fluid, all absorb heat as they work and therefore need to be cooled, but a number of variables affect the characteristics of cooling equipment. Most cooling products, including water radiators, intercoolers and oil coolers, work in a similar way. The water, air or oil to be cooled (working fluid) is passed through a cooler, which is (or should be) situated where it receives a constant flow of air as the vehicle moves forward. The working fluid passes through the core of the cooler and transfers its heat to the cooler itself. This heat is then dissipated to the…

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Classic Porsche (Digital) - 1 Issue, April 2025

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