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      08-20-2012, 09:41 AM   #15
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Originally Posted by andrey_gta View Post
so the tune can only accommodate a single octane? Eg 91 or 93 but not both.
so a Simon tool is needed in this case to have both octanes?

Thank you, im just a little confused, I haven't read all the posts on e90post
Yes the 93 oct maps are more aggressive you may run 91 on them but you will not see the same performance.