87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).
# S0 Z* J9 l0 E
91 AKI number＝96 (Research octane number ).

& z( l; f7 c2 Q8 J2 [3 o3 P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。
6 r$ D6 X4 X( W8 }2 F國内的 AKI= (RON+MON)/2。
這裏另有一種計算方式。

crrllong

MON 是什么？
, U- t1 {6 T3 R# m7 F$ G
FUEL RECOMMENDATION
' L' r( b& p7 x# p5 u* SUse unleaded regular gasoline with an octane
$ q' s3 D, ]) Y0 @  L8 X5 hrating of at least 87 AKI (Anti-Knock
0 u: v1 }; f* J) l- CIndex) number (Research octane number
% ~. f  s( {8 `. L4 r91).
For improved vehicle performance,
NISSAN recommends the use of unleaded
premium gasoline with an octane rating of
at least 91 AKI number (Research octane
number 96).

kingsnake

8 q4 O! G* S7 g7 Y2 w" o) |6 l/ ?8 h
, H( ~$ o$ ]' {/ p/ zMON 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.