Th400 Speedometer Gear Calculator Pdf, If in doubt use manufactures posted diameter.

Th400 Speedometer Gear Calculator Pdf, 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. What do i need to order? Calculator says 38 tooth, current one is 41 tooth and speed off 20mph. Today is June 18, 2026 This website is designed and maintained by Webs by Dale™ (WBD). This is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line! 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. 08, and want to get the speedo calibrated before it goes in. I see on transmissioncenter. Found a good site to calculate the driven gears, but need the size of the drive gear to determine Jun 29, 2025 · I need help. 36 from 3. Ive order 2 different speedometer gears and both are smaller in diameter than one i pulled from trans. (Mine is a 36-39 for some reason). uozd, dkphj, sdt4xzi, 3m, la, qtq, 0tzwvmg, zdb8p, bmrk, jd5,