What model #on the carb? The 80176 750 Dominator came with 70's for jets. 88 would be REAL fat unless the carb has been modified, replacing the large skirted boosters with straight ones will add a bunch of CFM and require more fuel. Here is the Holley site with list #'s and specs.
http://www.holley.com/data/TechServi...%20Listing.pdf
Air bleed specs.
http://www.holley.com/data/TechServi...ifications.pdf