Power Band
The power band is the engine speed range in which an engine produces most of its useful power.
What is Power Band?
Gear ratios aim to keep the engine in this range. Turbo engines often have a broad, flat torque range. High-revving engines have a power band near the top. Electric motors deliver strong torque from standstill, so their usable range is very wide.
How it works
Power is torque multiplied by engine speed, so it peaks where that product is highest.
Why it matters for your car
Labouring the engine far below the power band strains it. Constantly revving near the limit raises fuel use and wear.
Other terms
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- Contact Cleaner (Electrical Cleaner)
- Control Unit Reprogramming (Flashing)
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- Drive-by-wire (Electronic Throttle)
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