low rpms bad?

[peepsalot]

Just curious if there are any risks in running an engine at very low rpms(besides stalling and having no hp). Can it be harmful to the engine to stay in a high gear at a low speed? Is the answer the same for turbo and NA cars?

 

[osudewd]

It's not good, but if you are just coasting you'll be okay if your not doing it all the time. But it is bad if you try to accelerate in a high gear at a low speed, you might warp something, but I'm not sure how these cars take it.

 

[jersey_emt]

Yes accelerating in too high of a gear puts a lot of strain on the drivetrain. Just downshift and be done with it.

 

[shaolin]

Think about it this way. When you have your ten speed bike, how do your legs feel after you try to accelerate from a stop as hard as you can in tenth gear? Imagine your tranny, drive axels, gears, etc...

The idea is to cruise at a low, but reasonable RPM for the engine to just humm...but when you need to accelerate, you need to be able to get the power to the ground in a more efficient manner, with as little load as possible on your powertrain.

 

[jersey_emt]

^^^^ (werd)

Try not to accelerate hard under 2K RPMs in any gear except 1st or 2nd.