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New to crate racing and trying to pinpoint a problem and find a solution. Running a quickfuel 750cfm carburetor converted for e-85 on gm604. On starts and restarts when I give it serious fuel in falls flat on its face for a second or so. Also when riding around on cautions the car sorta "chugs" or surges. Once we get up to speed on a fast track its okay, but it kills me on a stop and go track. Any ideas would be greatly appreciated. Thanks everyone!