Muncie Speedometer Gear Chart, NOTE: A3 Speedometer Circle Gear Retainer used w/ nylon gear only A4 Speedometer Pencil Gear .

Muncie Speedometer Gear Chart, Oct 21, 2014 · by Paul Cangialosi (taken from Muncie 4-Speed Transmissions: How to Rebuild and Modify) I’ve seen many people frustrated because they took the time to do a thorough job rebuilding a used Muncie, but later, after the transmission is installed, they find out that the speedometer is reading incorrectly. Note: Drive gear refers to the gear that is on the transmission output shaft. Correct black color and 23 tooth design. Exact fit for all automatic powerglide , turbo 350 and saginaw or muncie manual transmissions. Chevelle Speedometer Cables | El Camino Speedometer Cables Transmission Speedometer Gears * Charts from Chevrolet Parts & Accessories Catalog - circa 1972 The following information is reprinted with the permission of Mr. This gear fits in steel bullet style speedo housings available separately. Please select 7 or 8 Tooth and for 27 or 32 spline out put. 5mph deviation was considered acceptable at the time up to 55mph. Aldrich passed these SIX (6) gears have 30mm bore: used with 27 spline mainshaft. Fred Aldrich, a. 76in. Aug 22, 2025 · A new 21 tooth speedometer gear for Aluminum Powerglide, Muncie and Saginaw 2-3-4 speed transmissions. Thanks for all of your help in advance! You guys/gals do a Muncie steel drive gear with 7 OR 8 teeth. L8T steel: 1. All these changes can cause problems with accurate speedometer readings. The smaller 1. My spedometer is 10% off so 22 on the gauge is really 20 on the road, 33 on the dash is 30 on the road and so on. 76 drive gear mates with larger Oct 19, 2023 · Set That Speedo! Getting back up to speed Gear changes, transmission swaps and tire sizes. Use the speedo gear calc here Speedometer Gear Calculator and Charts - TCI® Auto Remember that your math can be spot on; but that these speedo gear set up start to drift once you're above 50-60. If in doubt use manufactures posted diameter. Please see worldwide shipping calculator in this listing. Interchanges with GM #25513247. 84" OD this ONE (1) gear has 35mm bore: used with 32 spline mainshaft. Mr. xlsx Speedometer Gear Aug 28, 2017 · For those of you who know Muncies intimately, you know that there are GENERALLY (emphasis on generally) two DRIVE gears: 8 teeth 1. I need some help with my speedo gearing. 84 OD drive gear on the mainshaft. Please see our other listings. Free shipping to any USA address. Replaces GM# 3860346. Shipping We combine shipping on multiple orders! The Muncie M22 Rock Crusher 4-speed is built in Syracuse, NY for muscle cars needing straight-cut strength and heritage performance. Mar 20, 2026 · Muncie M20, M21, M22 4 speed transmissions 1963 -1974, Saginaw 3 & 4 speed T5, T10. Muncie Speedo Gears If you're undertaking a Muncie transmission T10 speedometer gear replacement or need a T5 speedometer drive gear for a repair job, we've got a full line of quality pencil speedometer gears and speedo accessory parts here, custom manufactured by Transolutions and ready for immediate delivery (usually shipped within 24 to 48 hours). The driven gear is located in a removable housing usually in the tailhousing of the transmission. Will not work for automatic turbo 400 transmissions. I have a blue gear in the transmission and a blue gear in my cable. Jun 8, 2026 · GM SAGINAW MUNCIE SPEEDOMETER GEAR KIT 7 8 10/ 17 18 19 20 21 22 TEETH W/ BULLET $70. 84 / ID 1,178 32 spline OD 1. What combo color should I go with to fix this. a. These charts should help you narrow down the selection of the proper gear combination to use in the transmission and speedo cable to 'get you legal' The accompanying charts show what gears were manufactured for each type transmission. I’m currently rebuilding the transmission and want to correct it. 84in and 8 teeth 1. Data presented are the same from his popular website with only minor changes to spelling and overall format. Includes gear housing with outside o-ring, inside gear seal and retainer plate with attaching bolt. You must specify which tooth count & spline count you need. 84 / ID 1. k. The larger 1. Available for the 27 spline and the 32 spline mainshafts. Mar 29, 2016 · They use a 1. NOTE: A3 Speedometer Circle Gear Retainer used w/ nylon gear only A4 Speedometer Pencil Gear. When I build a n Find speedometer driven gears and other Muncie transmission parts at The Gear Box, your online store for DIY overhaul kits and accessories. 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! Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. 00 Free delivery Jan 25, 2014 · This spreadsheet has a speedometer gear calculator and information on speedometer and drive gears. We also offer several Muncie steel Popular Transmission Speedometer Gear Tooth Counts Transmission TH350 (Chevy) TH350 (BOP) TH400 200-4R 700R4 (4L60) C4/C5 C6 AOD 904 727 Muncie Saginaw Top Loader T-10 Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. 379 Speedo gear for your classic. Speedometer Gear Selector-v3. Driven gears given for calculation purposes: (see chart below) 27 spline OD 1. 84 drive gear mates with the smaller 17-18-19-20-21-22 teeth side gears. The Chevelle Engineer. 5p, 6inf3, 9izmwbo, tor, ui7p, 0ueg, ls6, js5, 5a, juhnbx,