87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).

2 D6 T. N$ }$ R5 P; ]91 AKI number＝96 (Research octane number ).
: [2 g$ J% U$ `
  N8 B5 b4 v9 N6 I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。

6 \* {6 ^, [! @铅是很好的防爆剂，不加铅了。加的是什么呢？

kingsnake

這也不對。
6 x6 b' i" f  y: h7 L: x國内的 AKI= (RON+MON)/2。
這裏另有一種計算方式。

crrllong

MON 是什么？

# Z% N7 c1 {: o  B- }. [FUEL RECOMMENDATION
" l0 ]% e: b% s; ?, V; e! F3 R) Q) gUse unleaded regular gasoline with an octane
# q" i( m2 r2 i' Rrating of at least 87 AKI (Anti-Knock
% q& q, W) j4 R" @% `7 A6 b: |# W' VIndex) number (Research octane number
91).
For improved vehicle performance,
NISSAN recommends the use of unleaded
premium gasoline with an octane rating of
+ L  D5 J6 y' U1 [6 kat least 91 AKI number (Research octane
. Q( g. L* M& A; N1 D" fnumber 96).

kingsnake

6 s3 S+ A$ Z% E# d8 RMON 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.