Name: 沙夏:春风450SR拆解发动机，为何单缸拖拉机，低转动力那么顽强
Uploaded: 2023-06-25T15:38:33.000Z
Duration: 5 min 5 s
Description: 沙夏:春风450SR拆解发动机，为何单缸拖拉机，低转动力那么顽强

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调整飞轮的重量只能改变发动机的油门响应性，并不能改变发动机的绝对功率。

后期排气修改可以做一根喇叭式的全通管，膨胀率每米180%可以保证9000以后的回压波

沙夏:春风450SR拆解发动机，为何单缸拖拉机，低转动力那么顽强

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沙夏:春风450SR拆解发动机，为何单缸拖拉机，低转动力那么顽强

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