Quote:
Originally Posted by Hawkeye
320 miles is crazy, that is about what I get on a tank with my 3.0si!
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Maybe I'm the crazy one... I always get at least 360 on my si coupe (more typically 370-385 in mixed local/freeway/canyon driving, and about 400-425 when only freeway cruising).
This went down about 20 miles per tank when I had the ECU reprogrammed. 10 extra hp reduced the typical mileage from 28 to 27 - a fair trade.