87－91 91－96

crrllong

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

91 AKI number＝96 (Research octane number ).
2 l: @* r% _% Z# m" z
" V$ L" ]+ B( ]9 y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。
/ ^/ f  T8 C7 ~5 {& n3 i
铅是很好的防爆剂，不加铅了。加的是什么呢？

kingsnake

這也不對。
- v8 T' o& i) b! n1 ?6 ~' I國内的 AKI= (RON+MON)/2。
+ P* D5 d9 e' y" ^3 c5 }這裏另有一種計算方式。

crrllong

MON 是什么？

FUEL RECOMMENDATION
( W6 B7 v. `# H+ {1 hUse unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
91).
( i5 x% _& Z/ z5 T  aFor improved vehicle performance,
NISSAN recommends the use of unleaded
3 x! Q& P8 ~9 P9 J$ gpremium gasoline with an octane rating of
  ~  c' L( N1 g5 H. |4 J' }2 gat least 91 AKI number (Research octane
# E# H2 E, B/ x, _3 b! inumber 96).

kingsnake

MON 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.