Quote:
Originally Posted by gbrettin
Under stock set up you only need 91. I'm not sure why other people are saying they run 93. Why would you need anything higher? You only need it if the compression was changed through modification on your engine. Running higher octane would be throwing your money. Please correct me otherwise.
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i also go to sunoco and they have 91 and 93. i figure theres such a small difference (2-3 cents) i might as well just go 93