ANSWERS: 1
  • It's the latter. Lack of lubrication causes this metal to metal rubbing within the pistons and the cylinder walls of the engine block. That's why we need good motor oil to prevent friction, and to lubricate all the moving parts. That's also why we check the oil dip stick every time we fill up gas. But most cars don't develop this problem until they are about five or six years old, assuming it is used in normal driving conditions. But if you drive like a maniac or do drag racing on stock engine, it could lead to premature engine wear, even on brand new cars. No,the engine is designed to run on heat, hence the term internal combustion. Ever heard of "cold starting" on a winter? Not good for your engine as this could crack your engine block. Hence, they invented the thermostat and anti-freeze; the former immediately raises engine temp to normal upon starting, i.e., half of the gauge. The latter prevents your coolant from freezing literally in the radiator core during winter. Heat is a normal product of all engines;it's the coolant's job to make sure the engine doesn't boil its innards in the process of combustion, and the motor oil prevents friction between all moving parts. The four key words to prolong your engine life: Motor oil, coolant, anti-freeze and thermostat. Isn't the car an amazing thing?

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