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A minute long engine warm up is necessary in any car, right?

Wrong!

Most modern cars are actually designed to require less than 30 seconds of engine warm up time , and most of the time, a careful and smooth bit of driving does the job of getting the engine up to operating temperature.

So, why do we still think we need long warm up time intervals?

Well, in the olden days, the idling of the engine before a drive allowed the oil to reach its optimal temperature, when its viscosity is within the range specified by the manufacturer, block and head temperatures were also important, because metal experiences thermal expansion.

But nowadays, there is no need for this excessive idling, simply driving your car smoothly and at constant RPM intervals, will suffice.

Watch the video below.

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