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原帖由 酸葡萄 于 2007-2-4 13:30 发表 
! u" O) M7 W! ^7 p9 u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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91號的汽油用在87標號的車裏是浪費油。# [5 I  D! L/ e0 v4 y 
87號的汽車用在91標號的車裏是弄壞車。* ?2 q9 k$ |. a7 L7 F 
 
% Z6 k8 p7 Q3 W/ I4 qair+ diesel=more power, but it won't work on a car that is not designed for it. 
4 p2 E& [  \$ s% i2 C, h. THigher compression ratio gives more power, but it needs higher octane to prevent pre-ignition. 
$ ~( t9 C' R# V' X! N* ^: oThere is no absolutely advantage of putting higher octane fuel into a low compression enginee but it won't hurt it. |   
 
 
 
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