87－91 91－96

crrllong

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

91 AKI number＝96 (Research octane number ).

! v% X$ r- m" K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。
# O0 j' q' R" {& S5 V. d) B$ p這裏另有一種計算方式。

crrllong

MON 是什么？

FUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
9 C' y6 w9 k0 Drating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
9 {  ?+ S7 n% Y$ c4 l9 ?" ^5 }$ [91).
+ O( ~# C) i0 iFor improved vehicle performance,
- t3 c( h* ^; o1 T! BNISSAN recommends the use of unleaded
premium gasoline with an octane rating of
0 q/ Y- J. h( x% U4 Nat least 91 AKI number (Research octane
! x/ G7 @0 L3 e: d1 Onumber 96).

kingsnake

+ S; P* J; O+ r9 u$ pMON 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.