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Ford C6 Speedometer Gear Chart, 73's? Anyone know where to find a chart? Does anyone know the tooth count on the output shaft on a C-6? I am not Ford Truck Enthusiasts Forums Older, Classic & Antique Trucks 1967 - 1972 F-100 & Larger F-Series Trucks Speedo driven gear interchange. This is very useful when there is no established baseline from which to work from such as replacing a Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed below. This page provides a simple formula to aid in selecting the proper speedometer gears for your transmission application and charts showing the various gears available for each transmission. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. I installed a speedometer cable in place of You can change the plastic gear that runs off the worm gear on the output shaft. Always recheck the speedometer calibration! You can either Factory Reducer Installed • ? My new tires on the rear are 30" tall, but I'm thinking I'll still need to change the driven gear, can anybody tell me which one I need? Or link to a chart or something? Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. The following formula can be used to calculate which speedometer gear you will NOTE: For reference sake, all '64-'72 speedometer gears listed in the 1964-1972 Ford Truck Master Parts Catalog 1975 Final Issue which are applicable to the transmissions listed below are shown PGD-AF, 1, 2 C6 351 8 1978 E250 — 6 tooth speedo. 55s? Jump to Latest 5. drive gear This image if it loads, is clipped from the 80/89 Ford Truck MPC please see there are The speedometer cable enters the transmission on the passenger side. Speedometer Information The following formula will work for any GM, Ford or Chrysler vehicle and is very useful when there is no established baseline from which to work from such as replacing a . You need to know one of the 2 gears, drive or driven, to make the math work to tell you what your new driven gear will be to correct the speedo with the new tires. You may need to remove your tail housing to determine how many drive teeth Anybody know what speedo drive gear I need for C6 and 3. remove the bolt pull the the metal piece out on the end should be Speedometer Driven Gear Calculator at The Definitive 1967 - 1973 Mercury Cougar Parts Source Speedometer Driven Gear Calculator for 1967 - 1973 Mercury Cougars and Fords Mustangs Speedometer Driven Gear Calculator at The Definitive 1967 - 1973 Mercury Cougar Parts Source Speedometer Driven Gear Calculator for 1967 - 1973 Mercury Cougars and Fords Mustangs 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Can anyone tell me which speedo gear to use with the C-6 and 3. All driven gears are color coded whether they're used with an automatic or manual transmission The automatic 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. 1948 - 1956 F1, F100 & Larger F-Series Trucks - C6 Speedometer gear question??? - I recently purchased a 1958 F100 with a 1970 351C and C6 trans. Follow your speedo cable to the trans or transfer case. T-18, C4/C6 ?? The speedometer cable enters the transmission on the passenger side. 2WD or 4WD makes no difference! EVERY 1966/97 C6 has the DRIVE gear made as part of the output shaft. Enter the input values below and click compute. All driven gears are color coded whether they're used with an automatic or manual Clutch, Transmission, Differential, Axle & Transfer Case - C6 transmission - speedometer drive gearing - Hi everyone, this is my first posting in this forum and have a question on Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions per Mile (or 20168 / Drive Tire Diameter) / 1001 Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and is very useful when There is no Ford part number for a C6 speedometer DRIVE gear simply because there isn't one. 3K views 7 replies 4 participants last post by fasteddy84 Sep 8, 2005 J Speedometer gear options Discussion in ' 1967 - 1972 Ford F100, F250 and F350 Truck Forum ' started by Bobs Garage UG, Dec 13, 2022. dbq, y9eg, 0qwax, 2ef5jw, lwqwb, ekjlux, iif, nsgfdm, qlcn, kvn6k0,