Teamspeed and RAC Exclusive- 2009 RUF Rt12 S Order Guide
#13
05-06-2009, 01:33 AM
In Europe, the octane reading is only given by the RON (Research Octane Number) which has a higher value than MON (Motor Octane Number).
However, in the US, it is an average of the two (M+N)/2.
For example, RON = 98 and MON = 88 (typical readings of premium fuel regardless of country)
(R+M)/2 ===> 186/2 = 93 octane.
Hope that helps
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