 鲜花( 173)  鸡蛋( 1)
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原帖由 酸葡萄 于 2007-2-4 13:30 发表; l/ A3 c$ O5 t/ ?
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. . _" {2 r$ A/ L
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91號的汽油用在87標號的車裏是浪費油。+ _, a# r J5 g8 \2 K
87號的汽車用在91標號的車裏是弄壞車。
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, Z6 `3 k; f6 j) L) d3 r+ ^& B# Bair+ diesel=more power, but it won't work on a car that is not designed for it.
) U% k) ~1 o+ E% O5 fHigher compression ratio gives more power, but it needs higher octane to prevent pre-ignition.' c& v. t& }# Y( }1 g( n6 E, C. N
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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