 鲜花( 173)  鸡蛋( 1)
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原帖由 酸葡萄 于 2007-2-4 13:30 发表
2 M2 f" l! O6 Z! v怎么会没关系?basically air+fuel=power,如果马力不足就要input更多的fuel. fuel可产生的能量多少全取决于octane的多少. 87号的油用在91标号的车里一点都不经用.
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) M8 E. X/ v' Q, g' N91號的汽油用在87標號的車裏是浪費油。: H( F- E/ h; H: I
87號的汽車用在91標號的車裏是弄壞車。
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, j. D2 K; S. x' O4 Z" w( Mair+ diesel=more power, but it won't work on a car that is not designed for it.2 Y1 R5 u5 {: k, M+ c3 S" `
Higher compression ratio gives more power, but it needs higher octane to prevent pre-ignition.
/ C8 l; [. o2 C, N% f$ cThere is no absolutely advantage of putting higher octane fuel into a low compression enginee but it won't hurt it. |
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