Originally Posted by HavocSteve
Is this for real? Honestly can't expect better fuel mileage when you increase your HP. Only way to do anything about it is to clean the injectors and run new fuel lines. Maybe you have junk gas, who knows! Can't say that it isn't responding better now can you?
Leaned out + optimized fuel curves + tweaked timing = better fuel economy. More power with less throttle = better fuel economy. Not exactly surprising....