My 340 getting 6 mpg

I think the carburetor is to be replaced with a brawler or std holley 3310.
Someone's been into it. Ootb it's supposed to be 71/82. Bleeds have been fiddled and the jets were 65/75, could correct it.. but the plate is **** and it's not a good look so far.
Yeah, when you get too many hands in the pie it's time for a new pie!!!