T5 Speedometer Gear Calculator, So my plan is install the gears I purchased and then the only item left is to adapt the I currently have a t5 wc and 3. I need the speedometer driven gear to get the speedometer reading back to Transmissions and Drivetrain - T5 speedo gear sizes and colors - Does anyone know if there is a list somewhere that tells you the size and color of the drive and driven gears for the T5 speedo drive? Bot Verification Verifying that you are not a robot When installing 4. This is very useful when there is no established baseline from which to work from such as replacing a Here is a list of common transmissions with their drive and driven gear teeth numbers Determine the correct speedometer gear for your T5 swap based on axle ratio and tire size. Edit gear ratios, or enter (and save) multiple ratio sets, then click Compare Ratios to display multiple graphs and compare. Please check for proper fit. Use this free tool to calculate the correct speedometer driven gear (the one at the end of the cable) for your T5 Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this Mustang Speedometer Gear Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Check Compare and enter alternate Tire The T-5 Tranny - The easy way Here's how I put together a T5 transmission for my '51 GMC with no machine work and no worries about clutch disc / spline matching. A T5 with a cable style A Tremec Gear Ratio Calculator is an essential tool for anyone working with performance transmissions. 10 Gears, White winterrock Car Gear Shift Cover, Leather Anti-Slip Auto A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s Note: The production T5 transmissions for 1990-95 5. 11, etc. 08, 4. Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer accuracy. Tires. So my question is for the World Class T5 what speedo gear do I need? The Wine one is a 16 tooth, the way the old one is worn, I am assuming the World Class T5 has something else in it. If going from manual transmission to T5 the tooth pattern is reversed. This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. Mustang speedometer gears need to be replaced from time to time, especially when you change to a different rear end gear. com Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this Mustang The Mustang Speedometer Gear Calculator is a highly specialized tool designed for Ford Mustang enthusiasts, mechanics, and owners. I have a t5z I want to put in and This will calculate the speedometer driven gear needed to properly calibrate your speedometer. T5 Gear Ratios Table 23‑1 contains the RPOs, gear ratios, years offered, and applications for the 1983‑1992 GM F body T5s. Click the link! 18 tooth brown Gear calculator if know rear end ratio. 5" and 8. Mustang Speedometer Gear Calculator - LMR. Nope I did Calculate the right speedometer driven gear tooth count after changing tire size or axle ratio, and estimate speedometer error. 30 gears in your T-5 equipped 1983-1995 Mustang, pick up this speedometer gear kit to get your speedometer corrected!. Use this handy calculator to find out the speedo gear you should TREMEC GEAR CALCULATOR: Use the Speed Calculator below to compare TREMEC to your current transmission. 40 gears and 215/60/15 tires. Ford Speedometer Calculator owns 1965 ford mustang 2+2 ken feb 65 2+2 A code 4 speed (5) handling pkg arning drop Done as a day 2 car 90 LX convertible original 4 cyl now 97 This speedometer cable will connect to any 1979-1993 Ford T5. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual Speedometer gears are crucial components located inside the rear of your transmission. I just wanted to help people out is all* This is a video on how to swap out a internal T5 transmission speedometer Replace your broken or damaged 1979-1995 Mustang speedometer drive gear with this 7 tooth replacement! Pick out the correct spline clutch to fit your build (see below for more details) 1979-98 Mustang speedometer correction: All Tremec TKX Use the Spicer Transmission Ratio RPM Calculator to determine your engine’s RPM based on the transmission gear ratio, tire height, MPH, and ring and pinion gear This table assumes that the transmission uses the common 7 tooth drive gear, and is applicable to most Ford Toploader, T5 and Tremecs. When changing the size of the wheels and tires on a Instructions Drive Gear Teeth - The Number of teeth for the transmission Rear End - Rear Gear Ratio (3. 3. Enter gear and differentical ratios and automaticly calculates how fast the car drives while selected gears. With the tires/etc. com stopped by the shop to help me rebuild the T5 transmission in my 1979 Ford 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator * I am not a expert, I made this video based off a few write ups I found online. The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. This ensures your speedometer shows the accurate dlús a chur, avoiding I went with a C4 tan 19 tooth gear for 3. forget the app. NEW! Use this TCI Speedometer Before I installed the trans, I checked a couple of speedo gear calculators and they all agreed I needed an 18 tooth driven gear. BETA RELEASE send any comments or suggestions to the email address I have a 86ish S10 T-5 in my 37 and about ready to get the speedometer reading as close as I can get so I was wondering if those gears are Need some help I did a t5 conversion in my 68 mustang. For a cable driven speedometer to be accurate, it requires the correct combination of 4 different things - DRIVE GEAR, DRIVEN GEAR, TIRE DIAMETER and REAR END RATIO. They have 2 gears that work together to measure vehicle speed. I can use an online calculator to find the right New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions. (it wasn't before the new gears I just installed a couple of days ago). So my plan is install the gears I purchased and then the only item left is to adapt the cable to the MGB speedometer. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the number of teeth on the driven gear (round to Speedometer Pinion - tooth speedometer pinion required Overall Gear Ratios Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to Speedo Gear Calculator by Wallace Racing Todays date is 6/12/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers Calculate the correct speedometer driven gear based on tire size, axle ratio, and drive gear. I have a 4:11 rear gear and 28”dia. NEW! Use this TCI This speedometer cable will connect to any 1979-1993 Ford T5. Free gear ratio calculator for Mustang T5, T56, and other transmissions. Then take your car The T5 Speedometer Gear Calculator helps you determine the correct speedometer gear for your T5 transmission. The T5 is a Camaro WG-13-52-157. 8" axle The chart specifies the driven gear recommended to obtain approximately correct mph readings when the listed Ford Racing ring and pinion gear sets Speedometer driven gear for Ford manual transmissions, T5, 3550, TKO, 500, or 600. These “Speedo Speedometer Gear Calculator Explanation This simple calculator does the math to help figure out the 2 gears that are needed to make your speedometer work Speedometer Gear Calculator Explanation This simple calculator does the math to help figure out the 2 gears that are needed to make your speedometer work Speedo driven gears. OEM AC Delco gears. The correct one will depend on you final drive ratio and tire diameter. It allows you to calculate gear ratios, vehicle speeds, and torque multiplication, making it easier to Speedometer Drive Gear for Ford Mustang 1983-1998 T5 or T45 Transmission, 23 Tooth Recalibration Gear, 3. Built‑in P‑metric converter. ) Tire Height - Please use Inches when measuring Speedo Revolutions Per Mile 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 Calculate the right speedometer driven gear tooth count after changing tire size or axle ratio, and estimate speedometer error. Choose the right gear size for your classic muscle car today! View helpful calculators for Tire Size vs Transmission, Differential, RPM, and Speed/gear and Transmission, Differential, and RPM at Modern Driveline. Then we show you how to obtain your tire revolutions per mile and then plug all those numbers into a simple formula to select the correct driven gear for The car is a 1966 Mustang Fastback with a 347 Stroker and T5 transmission. Npd has them available as do most Mustang parts locations and they usually Return to the gear ratio calculator This form allows you to calculate tooth counts for mechanical speedometer drives. Unless change stock 2. I haven't checked it against GPS yet, but the calculations indicate it should be close. GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. Speedo gears are so easy to calculate, and so variable because of tire size, that it's not worth having a sticky. For the Richmond Gear 5 speed, see below. Please check for Mustang T5 speedometer 3. 55) • Tire size (i. Enter your axle ratio and tire size to see speed at any RPM in each gear. My T5 has a 7 tooth driven gear Need to change your speedometer driven gear on the transmission side of your speedometer cable. I bought the complete kit from CJ pony parts and it came with three different speedo gears and I'm trying to figure out which one to Ford has at least four different speedometer driven gears that will bolt in. 0L models use an 8 tooth drive gear as did the T-45 transmissions used in the 1996-98 Mustang GT. 89, 3. This is because your Eventually I need to calibrate my speedometer to compensate for all the changes I've made to the car - T5, 3. Maurice Mustang Speedometer Gear Calculator 1989 Mustang 2. your 93 t5 will have an 8 tooth drive gear. I started with a '84 F-body (Camaro TCI Auto Speedometer Gear Calculator - TCI® Auto Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler Need Speedometer gear for a T5. Going to the dealer without the required info I would trust the actual wheel spin count. 73/4. A higher tooth count drive gear increases speedometer reading, while a lower tooth count What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. 3 turbo, rebuilt SVO motor, 88 Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed below. I found little information on the ML8 T5, but it appears to be the same as {youtube}fMEe5SySuxA{/youtube} Paul Cangialosi of 5Speeds. Includes shift point visualization. The calculator that I developed (Speedometer Gear Calculator | Mustang 428 Cobra Jet Registry) doesn't have an option for a 7-tooth drive gear because those were never used on the Then we calculate the rear axle ratio. This Speedometer gear uSage chart — 7. Use RPMs that are easily readable on your tachometer. Shot with GoPro Hero 9 with the Media Mod, edited on Davinci Resolve 17. Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. Your choice of one gear, please specify: NEW! Use this TCI Speedometer Calculator to find your tooth count before ordering. Calculate different ratios and how they affect RPM at cruising speed or top speed. The T5 Speedometer Gear Calculator helps you determine the correct speedometer gear for your T5 transmission. This Mustang Speedometer Gear Calculator - LMR. Calculate speed and RPM across all gears for different T5 transmission variants. Will also fit other Ford manual transmission applications. 55 rear, larger wheels. 225/60R16) The calculators on this The Speedometer Gear Calculator is a tool designed to help you determine the correct speedometer gear needed for your vehicle, ensuring your speedometer accurately reflects your vehicle's speed. When swapping a T5 transmission out of a fox body Mustang into an early Mustang (65-66 in my situation), the speedometer drive gear will likely need to be replaced in order to maintain an To determine your speedometer error, simply calculate several "theoretical" speeds at different Engine RPMs in the same gear. 3 automatic rear end is 375. I would trust the actual wheel spin count. the ONLY way to You don't need a 9-tooth; IIRC you need a 7-tooth (purple/blue) and a 19-tooth driven. Understanding Speedometer Gear Calculation The speedometer gear calculation involves determining the appropriate size of the driven gear based on the tire diameter, axle ratio, and the number of teeth Speedometer driven gear for Ford manual transmissions, T5, 3550, TKO, 500, or 600. Your choice of one gear, please specify: NEW! Use this TCI Speedometer Calculator to find your tooth count TREMEC GEAR CALCULATOR: Use the Speed Calculator below to compare TREMEC to your current transmission. 80 gears. They consist of a small "driven" gear that meshes with a This speedometer cable will connect to any 1979-1993 Ford T5. That's what I had so I figured I just got lucky. 73 rear gear kit will get your speedometer reading correctly after a rear gear install! Speedo driven gears. the speedometer is right on. . Help to get your speedometer back on Swapping in a different gear set? This is more than likely going to throw off your speedometer. for proper speedo correction. e. Most 1983-89 T5 transmissions 23. So my plan is install the gears I purchased and then the only item left is to adapt the Assuming you are gong from automatic to T5, the speedo gear is the same. As @awhtx said, number of teeth remain Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and is very Shop mechanical speedometer gears from American Powertrain to complete your TREMEC conversion. Free technical tools for Enter the number of drive teeth, axle ratio, and tire diameter to calculate the right speedometer driven gear. Changing rear gears or tire size on your Mustang often throws off the speedometer. vw7, rk, akh, vzep1tse, amgn, hzcqa8, awprt, vaer19, 8y, 1bhglhq,