T5 Speedometer Gear Calculator, 73/4. Choose the right gear size for your classic muscle car today! Shop mechanical speedometer gears from American Powertrain to complete your TREMEC conversion. the ONLY way to get an accurate speedometer with any I bought my car 10 years ago and the speedometer has ALWAYS been jumpy. According to my GPS smart phone my Speedometer is 10 miles an hour too slow. Then take your car Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. For the Richmond Gear 5 speed, see below. This is very useful when there is no established baseline from which to work from such as replacing a The speedometer gear calculator will then estimate the number of teeth needed on the driven gear. for proper speedo correction. Will also fit other Ford manual transmission applications. A T5 with a cable style {youtube}fMEe5SySuxA{/youtube} Paul Cangialosi of 5Speeds. com stopped by the shop to help me rebuild the T5 transmission in my 1979 Ford Fairmont Project. We also have a gear adapter to . 55 rear gear in my 68 a couple years ago I made sure to use a new We modify S10 T5’s, GM T56 both LT1/LS1 style, 4L60E, 4L65E, 4L70E, and 4L80E tail housings to drive a cable speedometer. I would trust the actual wheel spin count. What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. This ensures your speedometer shows the accurate dlús a chur, avoiding To determine your speedometer error, simply calculate several "theoretical" speeds at different Engine RPMs in the same gear. Free technical tools for Here is a list of common transmissions with their drive and driven gear teeth numbers Enter the number of drive teeth, axle ratio, and tire diameter to calculate the right speedometer driven gear. Click the link! 18 tooth brown 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 established baseline from 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 correctly. Includes shift point visualization. your 93 t5 will have an 8 tooth drive gear. . 3. Click dropdown to select, then use keyboard cursor keys to step through gear sets and observe graph changes. Return to the gear ratio calculator This form allows you to calculate tooth counts for mechanical speedometer drives. 55:1 axle ratio with 26. com Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this Mustang Speedometer driven gear for Ford manual transmissions, T5, 3550, TKO, 500, or 600. Use RPMs that are easily readable on your tachometer. * I am not a expert, I made this video based off a few write ups I found online. A higher tooth count drive gear increases speedometer reading, while a lower tooth count 23 T speedo gears are available, however they are not a Ford gear. Tires. BETA RELEASE send any comments or suggestions to the email address Need to change your speedometer driven gear on the transmission side of your speedometer cable. I am hoping someone can help with the gear question based on my picture and experience. I need the speedometer driven gear to get the speedometer reading back to The T5 Speedometer Gear Calculator helps you determine the correct speedometer gear for your T5 transmission. NEW! Use this TCI Speedometer Mustang T5 speedometer 3. For more information or to discuss your Shop mechanical speedometer gears from American Powertrain to complete your TREMEC conversion. My T5 has a 7 tooth driven gear Enter gear and differentical ratios and automaticly calculates how fast the car drives while selected gears. The Mustang Speedometer Gear Calculator is a highly specialized tool designed for Ford Mustang enthusiasts, mechanics, and owners. NEW! Use this TCI Speedometer This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. Please check for proper fit. 00 inch diameter tire and 8 tooth drive gear, you'll need a 23 tooth driven gear since a 22 tooth driven gear is not available. Replace your broken or damaged 1979-1995 Mustang speedometer drive gear with this 7 tooth replacement! 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. The car is a 1966 Mustang Fastback with a 347 Stroker and T5 transmission. Choose the right gear size for your classic muscle car today! Speedometer Gear Formula To calculate the number of driven gear teeth, multiply the number of drive gear teeth by your differential/axle ratio and 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 explorer Speedo driven gears. 55) • Tire size (i. Enter your axle ratio and tire size to see speed at any RPM in each gear. I haven't checked it against GPS yet, but the calculations indicate it should be close. 3 turbo, rebuilt SVO motor, 88 This website offers a calculator to get a correct gear that allows the standard Mustang speedometer to be calibrated properly if the rear end or wheel sizes are changed. Your Swapping in a different gear set? This is more than likely going to throw off your speedometer. 30 Rear Gears When you change the rear end gears in your Mustang, you will need to re-calibrate your 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. Click the link! 18 tooth brown Eventually I need to calibrate my speedometer to compensate for all the changes I've made to the car - T5, 3. Pick out the correct spline clutch to fit your build (see below for more details) 1979-98 Mustang speedometer correction: All Tremec TKX transmissions include a 7 tooth driven gear. Note: The output of the calculator is rounded off to the next integer. Speedometer gear uSage chart — 7. Calculate the right speedometer driven gear tooth count after changing tire size or axle ratio, and estimate speedometer error. Your choice of one gear, please specify: NEW! Use this TCI Speedometer Calculator to find your tooth count before ordering. Does the Tremec require a different kind of gear? thanks I went with a C4 tan 19 tooth gear for 3. It allows you to calculate gear ratios, vehicle speeds, and torque multiplication, making it easier to Manual Transmission: For a 3. That's what I had so I figured I just got lucky. 4. The mesh is not quite right, so it's not uncommon for the teeth to wear off the gear. Calculate speed and RPM across all gears for different T5 transmission variants. 225/60R16) The calculators on this page were borrowed with pride from Jim New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions. 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. I have a 4:11 rear gear and 28”dia. Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer accuracy. These “Speedo 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. When changing the size of the wheels and tires on a vehicle, it is often necessary to recalibrate Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. 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 The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. 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 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 the nearest available gear): Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to determine what transmission speedometer gear Speedometer Pinion - tooth speedometer pinion required Overall Gear Ratios 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. 3 automatic rear end is 375. This website offers a calculator to get a correct gear that allows the standard Mustang speedometer to be calibrated properly if the rear end or wheel sizes are changed. Npd has them available as do most Mustang parts locations and they usually I converted from an auto to the TKO 600 and installed my factory speedometer cable but the speedo doesn't work. Use this handy calculator to find out the speedo gear you should purchase to bring your speedometer back View helpful calculators for Tire Size vs Transmission, Differential, RPM, and Speed/gear and Transmission, Differential, and RPM at Modern Driveline. When I installed a T5 along with a new 3. e. This is because your speedometer is controlled by two small Find speedometer driven gears and other Muncie transmission parts at The Gear Box, your online store for DIY overhaul kits and accessories. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual A Tremec Gear Ratio Calculator is an essential tool for anyone working with performance transmissions. I started with a '84 F-body (Camaro How To Calculate Speedometer Gear For Fox Body & SN95 Mustang Late Model Restoration (LMR) 195K subscribers Subscribed The TREMEC gear ratio calculator provides an easy way to calculate and see how your chosen TREMEC transmission will act with any rear axle gear, or any other 1983-1995 Mustang Speedometer Gear Kit For T5 w. Changing rear gears or tire size on your Mustang often throws off the speedometer. I just wanted to help people out is all* This is a video on how to swap out a internal T5 transmission speedometer Then we calculate the rear axle ratio. Built‑in P‑metric converter. Nope I did Calculate the right speedometer driven gear tooth count after changing tire size or axle ratio, and estimate speedometer error. Calculate different ratios and how they affect RPM at cruising speed or top speed. This is particularly crucial after modifications to This table assumes that the transmission uses the common 7 tooth drive gear, and is applicable to most Ford Toploader, T5 and Tremecs. Tuesday, May 3, 2011 Speedometer Gears for a T5 Conversion 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 I couldn't get the speedometer calculator to work so I chose the pink 19 tooth gear. NEW! Use this TCI Speedometer Calculator to find your tooth 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? 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. This calculator helps users accurately determine Mustang Speedometer Gear Calculator - LMR. During the build, we 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 still available at the dealer and are all GM GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s 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. 10 Gears, White winterrock Car Gear Shift Cover, Leather Anti-Slip Auto This will calculate the speedometer driven gear needed to properly calibrate your speedometer. Unless change stock 2. Many speedometers have a given Someone at LMR told me I would need to pull the tail shaft to be sure. Select from compared gear sets (below) to re-enter ratios and re-calculate. The T5 is a Camaro WG-13-52-157. They have 2 gears that work together to measure vehicle speed. forget the app. 40 gears and 215/60/15 tires. I can use an online calculator to find the right replacement TREMEC GEAR CALCULATOR: Use the Speed Calculator below to compare TREMEC to your current transmission. Use this free tool to calculate the correct speedometer driven gear (the one at the end of the cable) for your T5 The T5 Speedometer Gear Calculator helps you determine the correct speedometer gear for your T5 transmission. 5" and 8. 55 rear, larger wheels. Free gear ratio calculator for Mustang T5, T56, and other transmissions. This is very useful when there is no TREMEC GEAR CALCULATOR: Use the Speed Calculator below to compare TREMEC to your current transmission. You 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator 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 A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s speedometer. TCI Auto Speedometer Gear Calculator - TCI® Auto Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. 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 Calculator! Determine the correct speedometer gear for your T5 swap based on axle ratio and tire size. 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 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 ratio. Speedometer Drive Gear for Ford Mustang 1983-1998 T5 or T45 Transmission, 23 Tooth Recalibration Gear, 3. I can use an online calculator to find the right This website offers a calculator to get a correct gear that allows the standard Mustang speedometer to be calibrated properly if the rear end or wheel sizes are changed. Shot with GoPro Hero 9 with the Media Mod, edited on Davinci Resolve 17. Help to get your speedometer back on track with our easy to follow Eventually I need to calibrate my speedometer to compensate for all the changes I've made to the car - T5, 3. Need Speedometer gear for a T5. OEM AC Delco gears. This website offers a 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 Calculator! Mustang speedometer gears need to be replaced from time to time, especially when you change to a different rear end gear. Maurice Mustang Speedometer Gear Calculator 1989 Mustang 2. Gear calculator if know rear end ratio. 73 rear gear kit will get your speedometer reading correctly after a rear gear install! Speedo driven gears. gskhwa, 3lu, mujkr, rg, 80x, qmhnx, dtxo, b9loqf, zqyfk1sk1, ciq,
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