big block pro comp heads

Thanks for the help guys im going to change the gears to 4.10s and install a spool in my 742 case 8.75 the 727 is going be rebuilt and the 446 is being balanced and short block will be assembled need valve springs and hardware to finish heads, exchanged edelbrock torker 2 for a victor gonna buy a 950 or 1050 main body and put together a carb with parts from my 850 any other help is greatly appreciated want to get everything i can out of this ***** do you think she will lift foot braking or only with a trans brake.