Tranny Gears??

[Fostang]

What happens to be the gears on a T-5,T-10,C-4, and AOD?? I'm trying to figure out what would be the best tranny for an older mustang that is under construction. Thanx and any information will be greatly appriated.

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67'fastback- Edelbrock carb, intake, cam, valve springs. Road lifters, Comp Cam rocker arms, windage tray, cerama coated headers, dual flows with H-pipe, modded c-4, tci stall converter, perma cool electric fan, aluminum water pump, griffen aluminum radiator, accel 8.8 cable, wide cap distriburator, magnetic pick up, manley valves, v-matic hurst shifter, edelbrock performer nitrous, carter electric fuel pump, ignitor coil, solid motor mounts, magna racing suspension, poly urathane bushings, und