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87 octane vs 93 octane?
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10-19-2010, 10:04 AM
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E.T.
Drives: 2012 Camaro 2SS/RS
Join Date: Jul 2010
Location: Cleveland, OH
Posts: 3,273
I've been using 89 regularly. I'm just daily driving, so I figured I'd take the middle ground and go with midgrade.
E.T.
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