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Yeah, it also might be called 'Super', 'Premium', 'Ultra', you get the idea. If the compression has been raised, you will need to run higher octane. What # will depend on how much compression you are running.
Originally posted by: Hozed
not much, 20 cents more a gallong that regular (87 octane)
just use the highest octane u can get at the gas station... generally 93
lol i was at a gas station that had.. no joke either... 85,87,91,93,95
yeah, ive seen those.... its pretty crazy! lol.. like 85 and 87 were seprated by like 4 cents... its like.. wow... why even waste ur time having all that different gas...