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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On the east coast it's somewhat rare to find stations with 91. We usually offer 87, 89, and 93.