Gearing help

[LT engineering]

I am building a project truck its a 94 chevy king cab full size cadged front to back . And was needin some help on choosing what gearing to go with .Here are the specs Seed way enganeering full floater 9 with 35 spline cromo axels ,full spool. Running 37 inch projects with art carr tb 400 and a chevy 383 full roller with about 450 hp that should red line at 7000 to 8000 rpm.Thanks.

[ASHCRAFT]

I think 5:14s are common?

[85yota]

i'd run 5.13's with that much Hp, if it were a lower hp truck i'd say 5.67's tho. With 5.13's you'll still have a good top speed and have plenty of lowerend grunt.