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。
0 J. Z; }0 [% G/ {: Y- n* X國内的 AKI= (RON+MON)/2。
這裏另有一種計算方式。

crrllong

MON 是什么？

FUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
. e. o! e4 m6 p+ X8 v' R9 jrating of at least 87 AKI (Anti-Knock
* V, x7 Q2 W! x" X* z% wIndex) number (Research octane number
$ K( s( e  f( y- ~: J7 F" O: P' R91).
For improved vehicle performance,
# V0 ~7 z: u' H; Q. CNISSAN recommends the use of unleaded
premium gasoline with an octane rating of
at least 91 AKI number (Research octane
3 \5 W/ `5 o4 c! L" N" F. M, K9 ]4 ^* Onumber 96).

kingsnake

3 b6 Z! s2 Z1 z1 Y8 f
0 x: Z- T) G0 K( fMON 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.