gear help please

[4-x]

I have a bmod with a stock 350 I wann turn around 5200 rpms with I am racing on a 1/5 mi bullring and i have a 567 gear in the car now it only turns around 3500 rpms. Can someone tell me what final gear i would need to get the RPMS right.......thanks

[stpmotorsports]

gear

With a stock motor, you are gonna need about a 6.33 to get where you wanna be. We raced b-mods on a 1/5th mile at Fredericktown MO, 6.50 with not much more than stock motor got us about 6200 rpm. 6.83 got us close to 7000.