87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).
6 o$ }5 y' q- J0 y" G7 W+ z
91 AKI number＝96 (Research octane number ).

. l! s+ H% G% C% N- Z5 p6 j) f) E4 H" ]这两天天气好给车换换机油，查了查车的手册。看到了汽油的标号的解，这里用的是汽油的防爆值，国内用的是辛烷值。

铅是很好的防爆剂，不加铅了。加的是什么呢？

kingsnake

這也不對。
國内的 AKI= (RON+MON)/2。
8 o9 ~/ Q- Z! Q% q  r* S這裏另有一種計算方式。

crrllong

MON 是什么？
4 e2 W; M& f! U
$ U. ^8 x1 z& [0 ]# aFUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
91).
For improved vehicle performance,
NISSAN recommends the use of unleaded
premium gasoline with an octane rating of
9 t! z9 C6 h5 S" G: bat least 91 AKI number (Research octane
( T4 i& ~+ x( @% R- m2 Y) @+ Jnumber 96).

kingsnake

" ]" I+ t3 C8 w4 S6 g  d0 R% RMON Motor Octane Number.
* J  @, i6 k. aMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.