Quote:
Originally Posted by zlathim
Recently acquired 2010 SS M6. I pulled the fuses last night for a little more than 4 hours. i know it is recommended to go overnight, but I didn't want to fumble around with fuses at 6:30 am in the dark...
There wasn't any noticeable change in the performance of the car at all. Perhaps there has never been low-octane fuel in the car. Perhaps I didn't leave the fuses out for long enough. Either way, it was easy to do and worth the effort. I may even try keeping the fuses out overnight to see if that makes any difference.
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4 hours should have done it unless you pulled one wrong or like you said, it wasn't on the lower fuel table to start with.