87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).
  Y8 J7 ~8 l/ m  F" K& k6 _# \% G
91 AKI number＝96 (Research octane number ).
* F, B3 H1 V. r6 I- v
9 d- k9 R* u/ W# d% `7 w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。

, M2 l8 r' L" `" R" I. L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。
  a7 x; F' F, S這裏另有一種計算方式。

crrllong

MON 是什么？
$ @  a+ q3 p) G- V0 N8 j+ B
1 P9 r5 b2 b( q! V! k% sFUEL RECOMMENDATION
* m0 }, B1 A5 ]/ j4 I2 OUse unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
91).
- g# f' F/ e7 ^: a: [3 SFor improved vehicle performance,
. J* c7 W: V6 i' l3 pNISSAN recommends the use of unleaded
premium gasoline with an octane rating of
# K" d+ k. z- c/ ]/ {, _9 ]$ p6 Cat least 91 AKI number (Research octane
1 \" j+ X9 }+ v! h0 \3 n4 O# f0 Pnumber 96).

kingsnake

1 ^3 q2 u; @, X% M3 |: g7 _MON Motor Octane Number.
2 i/ h7 R) B/ |3 c( w0 G2 FMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.