 鲜花( 173)  鸡蛋( 1)
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原帖由 酸葡萄 于 2007-2-4 13:30 发表
) ~% x3 j; m% e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。1 B, f% h& \4 F
87號的汽車用在91標號的車裏是弄壞車。0 v* \ I- \5 ^+ Q- F
% X8 k; F1 `; k" B7 G6 R; Bair+ diesel=more power, but it won't work on a car that is not designed for it.$ Q+ Q; z2 r( q6 Z/ l+ u1 k
Higher compression ratio gives more power, but it needs higher octane to prevent pre-ignition.
6 T0 @6 L! H, R7 _There is no absolutely advantage of putting higher octane fuel into a low compression enginee but it won't hurt it. |
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