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What Are the Differences Between Supercharging and Turbocharging?

2 Answers

AlexanderLee

08/27/25 2:01am

Supercharging and turbocharging differ as follows: 1. Supercharging: The air is compressed via a belt driven by the crankshaft pulley to obtain higher-density gas, thereby achieving greater power. Supercharging typically has a fixed gear ratio with the engine speed, providing the significant advantage of instant boost response under any operating condition. It does not rely on exhaust temperature or pressure, ensuring no boost lag under any circumstances. This results in supercharged engines delivering excellent transient throttle response and superior vehicle driving performance. 2. Turbocharging: It utilizes exhaust gas energy to drive the turbocharger's turbine, which in turn drives the compressor wheel on the intake side to compress the intake air. This achieves higher intake manifold pressure and greater airflow of fresh air, enhancing engine output power and torque. Additionally, an intercooler is installed in the pipeline after the turbocharger's compressor outlet to lower the temperature of the compressed air, further increasing air density while improving engine combustion, reducing emissions, and lowering fuel consumption.

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StAlan

09/08/25 8:48am

I remember when I first started driving, I tried a car with a supercharger, and the power delivery felt incredibly direct because it's connected to the engine via a belt—step on the gas, and you get an instant surge of power. Turbocharging is different; it relies on exhaust gases to spin the turbine, so there's always a bit of lag, especially at low speeds when you press the accelerator and wait half a second before it kicks in. This can really dampen the mood when overtaking, whereas a supercharger eliminates this issue. However, turbocharging is more fuel-efficient since it utilizes waste energy instead of requiring extra power, saving you money on gas in the long run. Another point: supercharged engines bear a heavier load, which might lead to more cooling problems. Overall, I think turbos are better for daily driving, but if you want responsive driving fun, go for a supercharger.

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