Astro trans gearsets 3.50, 2.14, 1.39, 1.00, 0.73
F-body gearsets 2.95, 1.94, 1.34, 1.00, .73
a few people have mixed / matched gear sets for cruising in town and highway.
Since 5th is the easiest gear set to change, you have the options between .72 and .86 for 5th.
