87－91 91－96

crrllong

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

4 d/ f; o; v4 Z2 K91 AKI number＝96 (Research octane number ).

% S" g5 @" w$ _$ l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？

9 s- V* m% x- U" D$ pFUEL RECOMMENDATION
3 Q% P8 ]! B3 w. O6 O$ l. xUse unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
6 h% _" A% u7 y$ h0 I  w9 @91).
For improved vehicle performance,
NISSAN recommends the use of unleaded
! C" ~- n0 w" w+ Z3 Ipremium gasoline with an octane rating of
at least 91 AKI number (Research octane
number 96).

kingsnake

: y8 P) f0 c. O" j+ s3 D
; z/ p  C. p$ ^, ^3 q  k% }8 ~# LMON 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.