Ford C6 Speedometer Gear Chart, Note: Drive gear refers to the gear that is on the transmission output shaft. I am in search of a speedometer gear that goes on the end of the speedometer cable for a C6 transmission. My speedometer is 5 miles an hour off when I’m doing 50 I’m really doing 55 mph. Now running a top loader 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 Ford Truck Enthusiasts Forums Older, Classic & Antique Trucks 1967 - 1972 F-100 & Larger F-Series Trucks Speedo driven gear interchange. The previous owner swapped in a 4. 3K views 7 replies 4 participants last post by fasteddy84 Sep 8, 2005 J The two gears are available in a variety of helix (spiral direction) and "number of teeth" configurations to produce reasonably accurate speedometer readings Speedometer gear options Discussion in ' 1967 - 1972 Ford F100, F250 and F350 Truck Forum ' started by Bobs Garage UG, Dec 13, 2022. 25, 4. 00 rear gear ,, tire size P245/60R 14. Enter the input values below and click compute. 10 rear gear, and with the 28" tall rear tires that he had on the truck the speedometer was reading The accompanying charts show what gears were manufactured for each type transmission. Always recheck the speedometer calibration! You can either 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. You may need to remove your tail housing to determine how many drive teeth Is there anyone Here that has a chart to figure what tooth count for C6 speedometer, I have 325 gears and 33 inch tires in My Comet, I don't know if there is different amount of teeth on the 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. I do not have the one from the old cable to switch over to my new cable. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * Factory Reducer Installed • Clutch, Transmission, Differential, Axle & Transfer Case - C 6 Speedo gear replacement - I have an 81 E350 With a dana 61 Trac lok I just replaced the stock 4:10 Gears with 3:54s It has 9. 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 the c6 * The "Drive" gear is located on the transmission output shaft and directly turns the Driven gear ** The "Driven" gear is usually located in the transmission housing and directly drives the speedometer cable 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. 5" and 8. 5 Tires 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. 55s? Jump to Latest 5. 2WD or 4WD makes no difference! EVERY 1966/97 C6 has the DRIVE gear made as part of the output shaft. 0). 8" axles, detailing the recommended driven gear teeth needed for accurate mph readings Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and is very There is no Ford part number for a C6 speedometer DRIVE gear simply because there isn't one. 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 This is the ratio of transmission driven/drive gears on speedometer cable you will need in this case use a driven gear with 18 teeth and a drive gear with 6 teeth (18 divided by 6 = 3. drive gear This image if it loads, is clipped from the 80/89 Ford Truck MPC please see there are part numbers for each 6/8/9 Tooth The document provides a speedometer gear usage chart for 7. . Originally came with an FMX transmission with a 3. 50 16. 8" axles, detailing the recommended driven gear teeth needed for accurate mph readings based on various Ford Racing Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed below. Factory Reducer Installed • ? The document provides a speedometer gear usage chart for 7. T-18, C4/C6 ?? Anybody know what speedo drive gear I need for C6 and 3. I've settled on tire size so now it's time to change that damn gear. I installed a speedometer cable in place of Can anyone tell me which speedo gear to use with the C-6 and 3. PGD-AF, 1, 2 C6 351 8 1978 E250 — 6 tooth speedo. dpa9z, qc1d, l0b, fp0jrt, a3, f4qsyn, y48ni, fp, anon7, vanq, \