Edelbrock 500 vs. 600 cfm fuel milage

RustyRatRod said

Probably not. It's just a guess though. But a serious question...."how much more" if any do you think you'll get?

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I am hoping to get about 15 mpg out of it. I'm not that far from it now. Its gotten the best with the 1406 on it. I even thought of an AVS2 . I'll keep playing with it.