Quote:
Originally Posted by why?
because the computer system has been adjusted for the 87 octane. But if you experience pinging on a regular basis I think you really need to find a better quality gas. I haven't ever experienced it and i only run 87.
If you want to try a higher octane, that is your choice, but you should keep track of everything while you do to see if you really gain anything for it. A Scanguage would be a great tool to help keep track of everything.
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Hmmm. I wonder why Honda didn't adjust the computer on the Si for 87 octane?