The answer to this question is yes and no. Revving the engine does help when jumping a car, but not in the way you may think.
Revving your engine helps because it heats up the engine oil and the transmission fluid, making it easier for them to lubricate and cool down your moving parts.
By revving your engine, you are essentially giving your car a head start on warming up its engines before you get into gear.
However, if you rev your engine too much, then your battery will drain quickly–and if it drains too quickly, then you won’t have enough power to start your car when you want to.
So while revving can help get a jump-start on warming up your car’s components, it shouldn’t be overdone or done over and over again without letting your battery recharge between each time.
Does revving the engine for a few seconds before you jump start your car help it jump-start faster?
Revving your engine for a few seconds before you jump-start it can help the process go faster, but only if you’re starting your car from cold.
The reason revving the engine helps is that it warms up some of the parts of the engine that are most important to the starting process.
The battery is one of those parts, and when it’s cold, there’s more resistance between its terminals.
If you rev your engine for a few seconds, that resistance gets lower, which means less energy is needed to get the car started.
The other thing that happens when you rev an engine is that more fuel gets pumped into the cylinders—the ones that will be used to start the car later on.
If there isn’t enough fuel in those cylinders, they won’t have enough power to turn over and start your car. S
o by revving your engine before you jump-start it, you’re giving those cylinders extra fuel so they’ll have all they need when it comes time for them to do their job!
What kind of battery should you use?
It’s important to use a quality battery when revving your engine.
If your car has a small engine, you might be able to get away with using a standard battery, but if you have a larger engine, it’s best to invest in something more powerful.
The voltage and amperage of your battery will determine how quickly your car starts and how long it runs, so it’s important to choose one that is appropriate for your vehicle.
Is it better to jump a car with another car, or with a battery?
It is better to jump a car with another car, rather than with a battery.
This is because the power from a battery is much less than the power from an engine.
Jumping your car with another car means that you are getting more power from the other car and less from the battery.
This means that you will have more chances of starting your car and getting it back on the road faster.
Also, by using another car as opposed to a battery, you will not burn up your battery and end up having to replace it soon after.
Conclusion
When you’re trying to jump a car, revving the engine isn’t going to help much. The reason why is that there’s not enough power in your engine alone to get it started and running.
That’s why you need another car with a battery that has enough power to provide a boost—and why you have to rev your engine when you’re getting ready to receive that boost.
