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Old 09-02-2009, 08:24 PM   #16 (permalink)
JoeD
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Quote:
Originally Posted by ZzzZz View Post
Now the unknown is: what octane is necessary for the ECU to advance timing to the MAX?
Given proper conditions absent the externalities that would otherwise cause the ECU to pull timing (excessive heat and/or very high load), that figure can even be lower than 91-octane. However, in real-world conditions, my guess is that it's right around there where timing will not be advanced further.
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