87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).
9 _" l. M- O+ _" r
91 AKI number＝96 (Research octane number ).

0 {# ]8 P, V7 M1 o! }- h: k9 k# _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。

8 t" e) f2 I# F铅是很好的防爆剂，不加铅了。加的是什么呢？

kingsnake

這也不對。
( m* V! ?) Y' k3 _9 L: L" W; u國内的 AKI= (RON+MON)/2。
這裏另有一種計算方式。

crrllong

MON 是什么？
$ M. R4 L# l9 r; u' j/ t3 m
# t9 [& ]1 Q7 `FUEL RECOMMENDATION
5 t/ \7 h3 B( [! c, I4 QUse 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 X5 m/ A  c, u  `  y3 H2 U* dat least 91 AKI number (Research octane
" T! M: B, G9 m% anumber 96).

kingsnake

MON Motor Octane Number.
( @0 `2 A8 H0 H5 W) K/ wMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.