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Last time a got gas I put a bottle of Prestone Octane Booster in the tank just to see if it would make a difference with the new ECM program and all. Anyway, I says it boost the octane 1 number, so it's like it's running 94 octane. It did seem to have more power, but more importantly my MPG went from 21-22 to 26! [img]graemlins/banana.gif[/img] I couldn't believe it! I've never gotten better than 23 even when the car was stock. If you have custom programming, go buy some octane booster and try it out. [img]smile.gif[/img]
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1993 Pontiac Firebird 3.4L V6 A4<br />F41 RPO suspension option<br />119K miles<br />Fastchip<br />K&N \"Filtercharged\"<br />Airbox cuttout CAI<br />ASP underdrive pulleys<br />Pacesetter Headers<br />Flowmaster 80 Series 2.75 cat-back<br />MangaFlow Hi-Flow Cat<br />Corvette Servo<br />16.4 @ 81 MPH -
I know it sounds silly...but 1 point of octane boost = 93.1 octane. I think prestone goes 10 points up though...some of them boost over 20 points.
did the weather warm up around you at all?
i see 25-26 combined during non winter months...22 in the winter.2011 Camaro LS 6M, in black. -
Yeah it warmed up about 20 degrees. Just wait till summer. I'll be pulling 32 MPG!1 My stat is opening too early also, so when I get that fixed it will be even better.1993 Pontiac Firebird 3.4L V6 A4<br />F41 RPO suspension option<br />119K miles<br />Fastchip<br />K&N \"Filtercharged\"<br />Airbox cuttout CAI<br />ASP underdrive pulleys<br />Pacesetter Headers<br />Flowmaster 80 Series 2.75 cat-back<br />MangaFlow Hi-Flow Cat<br />Corvette Servo<br />16.4 @ 81 MPHComment
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