At what rpm the engine wear is minimal?

This problem is approached it is necessary to know the make and model of car.And already from that.In the manual for the car usually indicate the recommended size for the tachometer,that would not wear out and not "rape"excessively high rpm of the engine. Specify the desired "Optimal mean"or "Golden mean" revs for the engine of your car.It is impossible and at very low revs,but also can not and high engine speeds,durable and good engine.Low wear out parts faster mechanically,but great wear out from excessive overheating.The average is from 2,000 rpm to 3,000 rpm.But it is better to study the manual to your car or contact a knowledgeable motorists, professionals.
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