need to go faster went faster

how do i get my 60ft times down. i dont have a trans brake , just a good old foot brake my combo is a 340 .30 over pop ups 10.5 or 11.0 not shure 528 solid cam j heads w/208/160 valves 1-5/8 headers air/gap w/700dbl pumper 750 a better carb for this combo or stick with 700