As long as the engine is at full operating temperature and you do not rev it beyond the red line, you more than likely will do no damage, but it is still not a good idea. Revving a cold engine will do damage for sure.
Revving the engine can cause a sudden drop in oil pressure, cause the engine to over heat and it doesn't help the main crankshaft bearings any good as they and meant to be revved under a load(in gear).
No revving your engine dosent damage it.
To rev the engine simply means pressing the accelerator down with the car in neutral as if you are preparing to take off fast for a race.
NO it will not. Over revving engine, Rocker are adjusted to tight, Bad lifter. These are some common causes of that.
Increasing the rpm (revolutions per minute) would be revving the engine.
Becuase you're revving the engine. Becuase you're revving the engine.
Excessive revving of an engine causes overpressure in the crankcase. It causes unhealthy expansion in the pistons and the valves.
because in park or neutral the engine is free revving and when put in gear the engine is now turning internal transmission componets which puts a load on the engine
It will only rev so far in park or neutral as the computer keeps the engine from revving too high without a load on it to keep from doing damage.
If the engine is revving up, then the transmission is having problems. If the engine is not revving, then check the linkage from the accelerator to the throttle body.
The man kept revving the car's engine as though he was a teenage boy showing off.
The most common cause of engine revving is a dirty or clogged air filter.
It keeps the engine from over revving.