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15.25 MPG on 91 unleaded fuel.

it was of time and the computer was throwing weird codes <img src="/forums/images/graemlins/zombie.gif" alt="" /> its still not awesome but it might also have something to do with Venezuelan gas quality. Way less regulations here <img src="/forums/images/graemlins/barf.gif" alt="" />.
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You may want to try regular instead of premium. I'm sure the 12V 3.0 isn't designed for premium, so you're just throwing away money. Premium actually burns slower (appears to be myth, see replys below LN) than regular and unless your engine is designed to use premium (higher compression, etc) or you experience pre-ignition, it may actually hurt performance.

Last edited by Lee N; 09/13/05 07:38 PM.
Lee
'94 LS, 3.0 V6, Auto, completely stock