323 355 or 373 gears??

I run 323 gear braced 8 3/4 in my 440/500 Stroker 727 B&M holeshot converter stalls around 2800 3" Exhaust , 375/50/15 Street slicks 3" mini tub. I can drive to the dragway next state over and it still does 11:7 1/4. No issues with rearend yet.