Quote:
Originally Posted by niterat
At the pump, and almost $9 per gallon. How it performs is the reason for my question. As I understand it, the higher octane will let the engine run with more timing advance without knocking. The greater advance will result in better performance. None of that will matter if the ECM (or whatever actually does it) can't adjust because it is stuck in some low octane mode.
So does anyone know if going from 92 to 94 or 96 would need the fuse pull?
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If you've always run 92+ then you don't need a fuse pull. But that 100 octane gas wont do you any good if you aren't tuned for it.