1/4 mile times with a bb in a 72 duster

I am in the process of building a 72 duster and very curious on how quick I'm gonna be able to run with it I currently have a 66 440 steel crank flat tops 572 hydraulic comp cam balanced bottom end for heads I have a set of 516 closed chamber heads that have had some work done to them larger exhaust valve installed 1.88 bowls have been blended and minor port work weind team g Holley 850 and on the trans I have a new coan 727 race trans it's the good roller one transbrake 4000 stall coan converter 83/4 moser rear 5.13 gears will prob change them out to a 4.30 all msd ingnition digital 6 plus and billet distributor any ideas guys?