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because cold air has more mass then warm air which in turn gives each cylinder more charge on the intake stroke which will drive the pistons down faster on the the power stroke

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Q: Why does your car have more power when it is cold outside?
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Related questions

How does cold air intake increase horsepower?

Cold air intakes are usually placed in the fender well area, which brings in a cooler charged air from beneath the car (outside of the engine bay), which is denser and therefore creates more power.


Why does car blow hot and cold air when in ac mode?

If it's cold outside do you want cold air blasting when you get in your car?


Is so cold outside and your car does not turn on?

Have the battery checked.


Can a passenger side mirror of a car crack by itself if it is cold enough outside?

no


Does a car's battery power decrease in cold weather?

No, it does not loose power but when the engine is cold, it is just harder to turn over.


Why does a car window fog up on a cold morning?

The air on the inside of the car is warmer than the air outside.


Why does your power steering work perfect when you start your car and its cold the second it warms up you have no power steering anymore?

Could be that your low on power steering fluid. When it's cold, the fluid is more viscus, but once it warms up and thins out there isn't enough.


Examples of Deposition?

An example is when it is cold outside and your in the car and the windows are frost


Would a cold air induction kit harm the engine if driven in cold weather?

If its installed correct and is a good product it will not harm the car, cooler wheater gives your CAI more cooled air = more power.


Who have more power and lighter in weight GT1 car or F1 car?

F1 car has more power and it is lighter than GT1 car


Does cold drain car batteries?

Yes, it does have an effect, but the real problem is the starter trying to turn over a very cold engine. The oil is thick and it takes much more power to turn the cold engine over.


What temperatures can it reach inside a car on a hot and cold day?

On cold days, your car will not reach a temperature below the outside temp, but instead be on the level or slightly warmer (depending on color of car and interior and how well sealed it is). On a hot day a car can reach above 100F depending on the outside temp and colors and ventilation.