87－91 91－96

crrllong

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

" r4 o3 A, g+ V; M  x& {$ z3 J* n91 AKI number＝96 (Research octane number ).
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6 x: v4 y# }, |0 x4 `$ b% E3 P# L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。
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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
( k  Y; `# `( D9 Q& fUse unleaded regular gasoline with an octane
6 |/ L9 V# k' D1 O9 l3 n' Zrating of at least 87 AKI (Anti-Knock
! q7 Q" D/ r& ]9 ^, {7 SIndex) number (Research octane number
4 z4 R. v, l9 z* w! C' f# ^0 q, ~91).
% S( Y5 R& n- N/ `For improved vehicle performance,
: R4 l) t" _$ wNISSAN recommends the use of unleaded
premium gasoline with an octane rating of
at least 91 AKI number (Research octane
number 96).

kingsnake

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MON Motor Octane Number.
7 f2 |- P2 p, j. n8 l/ o. zMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.