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      03-18-2012, 06:02 AM   #40
LotusBoy
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Drives: BSM 1M, N55, KW's DDC
Join Date: Jan 2012
Location: Brussels

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All correct, and to summarize:
91 US is equivalent to at least 95 euro octane
93 US is equivalent to 98 euro octane

Note on page 1 of this post the significant power difference between standard fuel (91US) and race fuel (100US): 18HP which is around 5% !!
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