Quote:
Originally Posted by k4251
i got my 1999 zx9 about 2 weeks ago. it's got the titanium full exhaust and a k/n. i got 150 ish mpt. and i have a question. Must i run premium in it? or just regular? it didn't have the manual with it.
thanks,
keith
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my 01 says it needs to have an octane rating of 90 or higher. I always run premium :)
