87－91 91－96

crrllong

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

91 AKI number＝96 (Research octane number ).
  f9 A$ F+ E8 v8 x
8 N1 ?/ c  ~# M, H/ r2 s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。
" o$ T" ?( m, a( q% w  m
铅是很好的防爆剂，不加铅了。加的是什么呢？

kingsnake

這也不對。
3 P- O5 O; Y: ]9 N國内的 AKI= (RON+MON)/2。
" k$ O$ A: J( N) _這裏另有一種計算方式。

crrllong

MON 是什么？
1 b5 I3 q3 G0 g4 l' E
FUEL RECOMMENDATION
! R6 R; n, n; ^3 P% f( Z  d% R# uUse unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
91).
8 r, X2 \" w* Z6 @) _For improved vehicle performance,
- E1 o" j# ~$ oNISSAN recommends the use of unleaded
" E* f/ V7 E" L! wpremium gasoline with an octane rating of
at least 91 AKI number (Research octane
% ~$ Y( [% H( Fnumber 96).

kingsnake

MON Motor Octane Number.
* a3 `  {% O1 P& n" UMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.