87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).
6 g7 ^! `! b6 u! ?  a
8 R- z* l3 F& V, v. V91 AKI number＝96 (Research octane number ).

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。

( h3 @& ?% K7 d" u3 c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。
5 T5 A$ {$ X% m$ }, Q9 K' |這裏另有一種計算方式。

crrllong

MON 是什么？
% V4 m; i( a) j2 _1 J/ k- _7 R" n
FUEL RECOMMENDATION
; j$ S0 X( x  \8 K" e+ NUse unleaded regular gasoline with an octane
) q3 |8 z! Y& G/ Trating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
91).
& z8 o$ X, I' {For improved vehicle performance,
NISSAN recommends the use of unleaded
0 |1 j) t/ Y9 P- \8 j: rpremium gasoline with an octane rating of
at least 91 AKI number (Research octane
number 96).

kingsnake

! J, I3 p4 x! B# \7 ?MON Motor Octane Number.
/ P6 G% T* L* u& Y+ b) QMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.