87－91 91－96

crrllong

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

5 Q. }+ h% w% E9 H91 AKI number＝96 (Research octane number ).
' p: M0 \4 @2 q
# }* S3 a# U* u1 c# N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。

0 E8 |: _# c/ g0 r, l* g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。
這裏另有一種計算方式。

crrllong

MON 是什么？

FUEL RECOMMENDATION
0 }4 Y. [# A0 f& IUse unleaded regular gasoline with an octane
" b8 D% j6 d3 z4 wrating of at least 87 AKI (Anti-Knock
4 f+ r* A$ P% A# PIndex) number (Research octane number
91).
  a5 T9 H* T4 t( z: @0 LFor improved vehicle performance,
; ?9 C9 r5 ~5 L5 gNISSAN recommends the use of unleaded
premium gasoline with an octane rating of
4 R/ C' }5 G4 @at least 91 AKI number (Research octane
number 96).

kingsnake

. X: [3 U! b' E% |/ x! _" X/ O0 f  S" S1 ]
! P( s% |1 x1 z6 D( X2 cMON Motor Octane Number.
% |" k9 A$ z# j2 K  x* a0 xMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.