carb boog at high speed edelbrock

have a 800 avs edelbrock on a 400 car runs good till you get in drive and it boogs,or acts like its not getting enough fuel,i did notice some bubbling near the carb to intake gasket could it be a vacumm leak?it only does it when ia m getting on it hard.first, secound it pulls hard then drive it falls on its face and acts like its going to die.could the carb be getting choked out.at my whits end with this thing.ANY SUGGESTIONS??

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it only does it when ia m getting on it hard.first, secound it pulls hard then drive it falls on its face and acts like its going to die. ANY SUGGESTIONS??

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Fuel delivery issue, check float level just to eliminate the basics, check that it has a hi flow filter then put a small container of gas in the eng compartment & hook it to the pump inlet & take her out