Is it bad to accelerate at low RPM?
Is it bad to accelerate at low RPM? Low RPMs are fine if you're just cruising or slowing down, but when you accelerate, low revs leave your engine with a gearing disadvantage. To get your car up to speed, the engine has to work a lot harder. Engine temperature will rise, and cylinder temperature will rise. Can too low RPM damage engine? To answer your question, no it isn't bad for your car to keep it in as high a gear as you can while still maintaining speed. As long as you are above idle in RPM and your engine...