Thread: does it REALLY need 89 octane?
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Old Dec 10, 2008 | 08:27 PM
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whylee
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Default RE: does it REALLY need 89 octane?

ORIGINAL: Carbon

I'm running 89 in my R/T and you could put 87, but you shouldn't put 91 in the 5.7




I thought the six speed R/T was supposed to run premium fuel, which would be 91 octane.
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