Preventing Engine Overrun: Is Overdrive Transmission Relevant?

[vm_mayank]

How to prevent engine overrun? Is there any relation between overdrive transmission and engine overrunn?
Pl. clarify?

 

[Lsos]

Engine overrun as as in going over the redline of the engine?

Most cars and machines have safety features to prevent overrun, mechanical or electrical, which do things like cut off fuel or whatever is causing the engine to spin.

So ideally, if you're talking about driving a car, you shouldn't need to worry about engine overrun. Just don't downshift when you're at redline. Nothing will help you then. Well, maybe yelling "Oh sh** oh F***!" might make you feel less stupid, but it won't make the problem go away. Don't ask me how I know...