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Old 08-04-2008, 09:58 AM   #22
Chevyrocker
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I would run 93 all day. however, even the vettes with trhe LS3 can run on 87, you jus lose some power. I don't remember who said it earlier, but the higher the octane rating, the WORSE fuel economy you get because it burns at a higher rate.

What we should all be hoping for is E85 capabilities, because that burns hotter than 93 and will give you some extra horses when using it.
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