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Old 06-16-2014, 11:12 AM   #12
billwot
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Quote:
Originally Posted by PatSciFRS View Post
In the US, the octane rating is listed in AKI units whereas in the UK it in in RON units. They differ by about 4 to 5 points according to Wikipedia. So an octane of 93 in the US is basically 97-98 RON.
Correct!
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