87－91 91－96

crrllong

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

91 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。

铅是很好的防爆剂，不加铅了。加的是什么呢？

kingsnake

這也不對。
( V$ ]# j$ t3 Q3 r8 D4 i9 @國内的 AKI= (RON+MON)/2。
3 x7 k6 Z- P, r% V: k這裏另有一種計算方式。

crrllong

MON 是什么？

FUEL RECOMMENDATION
! ^5 `9 j' n. w& y2 ?3 ~. ^Use unleaded regular gasoline with an octane
3 R% s9 A' G% \, y& P% Orating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
/ H, I+ Z7 }) E% O7 \91).
! s$ e% U+ b7 H- ~- i7 c  M* V: XFor improved vehicle performance,
; t3 m7 c# T5 A, m4 {( ENISSAN recommends the use of unleaded
2 N; k8 ^, P8 t; \3 ^( vpremium gasoline with an octane rating of
+ Q; s/ R! H$ Tat least 91 AKI number (Research octane
number 96).

kingsnake

* H7 b. B5 h2 l$ P- y
MON Motor Octane Number.
5 y( C9 N/ K$ jMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.