Dodge Challenger Forums - View Single Post - does it REALLY need 89 octane?

Oct 2, 2008 | 11:26 AM

#8

Carbon

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Joined: Feb 2008

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RE: does it REALLY need 89 octane?

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

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