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      10-08-2012, 11:00 AM   #10
GIdriver's Avatar
Drives: 2012 C63 AMG P31
Join Date: Dec 2010
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Originally Posted by Roman@ESS View Post
The ECU will adjust to take advantage of higher octane fuel up to 100 AKI unleaded and will provide added safety. Best result I have found for the dollar is a mix of about 4-5 gal of 100 with 91 or 93. This will get you max performance without overspending. The car is very happy with anything over 94 AKI.
Thanks for the input. I thought I should not go above 95 AKI due to the tuning. Thanks for clearing that up.
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