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Fuel For the Z28

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Old 10-08-2008, 04:43 PM
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I just got this car last week and the first day i got it I filled up with 91 octane stuff from BP with that invigorate stuff ($4.20) a gallon. Gas has been dropping, but what is the minimum octane i shoud put in it? 90?
Old 10-08-2008, 04:46 PM
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91 is recommended you can run lower octane but your cars knock sensors will not like you and it will pull timing and take away precious horsepower
Old 10-08-2008, 05:07 PM
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So 90 is a no no then? haha. That's what I put in and I'll be sure to put in 91 the next time. I was running real low on gas and it was the closest gas station...
Old 10-09-2008, 12:58 PM
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Is 91 premium where you live??? Mobil sells 93 octane as premium where I live.
Old 10-09-2008, 02:51 PM
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Originally Posted by akcamaro02
Is 91 premium where you live??? Mobil sells 93 octane as premium where I live.
The stuff I put in was Super Unleaded and that was the 90 octane this last time...The day I got it I put in some 91 Octane from BP. It varies from 89-91 in my town.




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