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Can a 1993 Subaru Impreza four door sedan take E85 instead of the regular gasoline?

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2006-01-01 07:43:00
2006-01-01 07:43:00

Only if you live and drive above approx 4,000 foot altitude, and keep using the car. Potential problems are lower-than-normal octane if used below 4,000 feet, and fuel degradation/ fuel hose damage if fuel is left in the car for more than 2 months without a fillup. Even the standard Impreza engines have 4 valves per cylinder and develop ferocious cylinder pressures, even at moderate engine speeds. For comparison, my Legacy and Forester engines deliver more power with 89 octane as I often drive below 700 foot elevations.

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