What final drive for Clarys

[77v8stock]

Im helping 2 pure stocks on set up for the track and wondering what final drive I need to target for the track. We need all the help we can get. Thanks in advance.

77 ministock

[GRS]

733 with 29 tires will turn your engine 7200-7400, Most streetstock engines will turn less because they might not turn up as quickly.