87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).
& J9 W0 ]! |8 e8 A
91 AKI number＝96 (Research octane number ).
* L+ ]5 w) h" }, F# K8 R
& f4 U; Y) }7 v, \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。
這裏另有一種計算方式。

crrllong

MON 是什么？

FUEL RECOMMENDATION
/ M# z& A: p+ W! p7 U6 h! @) i# IUse unleaded regular gasoline with an octane
3 ~* A& {# N2 C7 U: ?& krating of at least 87 AKI (Anti-Knock
) d9 w1 X. q. OIndex) number (Research octane number
$ V8 ]; F" a9 S( n% \' o91).
For improved vehicle performance,
NISSAN recommends the use of unleaded
6 b3 d  y& U+ H! E3 H/ apremium gasoline with an octane rating of
at least 91 AKI number (Research octane
number 96).

kingsnake

MON Motor Octane Number.
Measure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.