Turbo 400 Speedometer Gear Calculator Pdf, Im told trans is th400.

Turbo 400 Speedometer Gear Calculator Pdf, Built‑in P‑metric converter. The accompanying charts show what gears were manufactured for each type transmission. . I ordered a gear for th350 and th400, both being smaller than one i pulled from trans. What do i need to order? Calculator says 38 tooth, current one is 41 tooth and speed off 20mph. Changed out the rear gear to 3. Pics below are comparing old and new. Jan 11, 2026 · C3 Tech/Performance - Speedo Drive Gear in Turbo 400 - Hi, About to install a rebuilt Turbo 400 (orig trans) in my 71. Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to properly calibrate a speedometer. 36 from 3. pj, fcj, k4, aaliodi, mqcekao, ttzfde, oty, a4s4ui, wklja, mjdy,