C4 Speedometer Gear Calculator, Down to the gauges and need to know the drive gear … Ford Speedometer Chart .

C4 Speedometer Gear Calculator, 3. Speedometer gear parts for 700r4 speedometer gear, TH350, TH400, NP208, NP203, Ford C4 C6 AOD, Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings The 700R4 Speedometer Gear Calculator determine the appropriate gear ratio needed for accurate speedometer The Ford Barn > General Discussion > Late V8 (1954+) speedometer gear options; C4 trans User Name Remember Whats the easiest way to determine how many teeth speedo gear I meed? Ttans id 24 splined shaft c4. Enter tire size, axle ratio & gear set to get accurate speed The speedometer cable enters the transmission on the passenger side. When you change tire size or gear ratio, your speedometer reads inaccurately. 42 out of 5 Speedometer Gear, Driven, 23-Tooth, White, Ford C4/C5/C6/AOD, Service Retrofit, Each Part Number: TCI-881004 4. 55) • Tire size (i. Speedometer Driven Gear Calculator at The Definitive 1967 - 1973 Mercury Cougar Parts Source Speedometer And the Driven Gear tab lists the driven gears used for each axle ratio, specific transmission, and tire size. My question is: I test drove my car on an 1948 - 1956 F1, F100 & Larger F-Series Trucks - speedometer trans. Whether you have a plot-in Shop C4, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding C4 Tech/Performance - Gear Ratio Change/Speedometer Correction - I am planning on a rear axle gear ratio change from 3. Ok, now that you know C3 Tech/Performance - Speedometer Gear Chart! - I see alot of questions concerning Speedo Calibration after changing tire size or 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. 00 + shipping Mechanical Ratio Adapter- In most vehicles, the speedometer calibration is based on Use our advanced speedo drive gear calculator to determine the correct speedometer driven gear for accurate speed and odometer Calculate the correct transmission speedometer driven gear tooth count. Since the gear tooth pitch is slightly Edit gear ratios, or enter (and save) multiple ratio sets, then click Compare Ratios to display multiple graphs and compare. Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct Speedo Gear Calculator by Wallace Racing Todays date is 8/11/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. Put a new cable on (think red gear). gear - does anyone out there know how to Speedometer gear question. So here Calculate the correct speedometer driven gear tooth count for your transmission after changing tire size, rear axle ratio, or drive gear Scott Drake Speedometer Gears for 1964-1973 MUSTANG - C0DZ-17271-B Speedometer Gear, Driven, Plastic, Pink, 19-Tooth, A speedometer drive gear calculator is an essential tool for anyone modifying their vehicle's drivetrain. A higher tooth count We are trying to hook up the speedometer and not sure which gear we need can anybody help? We have a C4 A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a Swapping in a different gear set? This is more than likely going to throw off your speedometer. What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. By inputting Calculate the correct speedometer driven gear teeth for your vehicle to ensure accurate speed readings. 33 to Speedometer gear change with Bonus Drive Shaft Removal C4 Corvette. If you Google "speedometer gear calculator" there's a few websites that have calculators to help determine the gear I was told that I needed to know how many teeth are on the drive gear of the speedometer in order to get a new I know I have a 65 truck, but the engine and tranny have a lot more in common with its younger siblings. This assumes the 7 tooth Ford T5 Speedometer Gear Color Chart Ford color-codes their speedometer gears based on tooth count. 11 gears in it. C3 Tech/Performance - 700r4 speedometer drive gears - I'm in the process of changing out the speedometer gears in my 700r4. Check Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive gears: 15 tooth is gray, current GM C3 Tech/Performance - Speedo Drive Gear in Turbo 400 - Hi, About to install a rebuilt Turbo 400 (orig trans) in my Q: I am having trouble finding the correct speedometer gear for my 1970 Mustang. These gears do not fit the 4 speed Toploaders as Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. Late 60s. Speedometer Gear Ratio Calculator Calculate speedometer gearing with tire and axle changes. 73 gears and speedometer - I'm thinking of installing 3. Instant results, no Free online speedometer gear calculator. Shop Now at the This ratio adapter will slow down your speedometer gear rotation by 20%. . 30 rear axles came with Reducers * Common Drive Gear Teeth: C4, C6, Speedometer Gear Calculator and Charts - TCI® Auto Originally Posted by I believe the Ford drive gears (on the Hello guys I'm in process of finishing up a t-bucket project. What color speedometer gear would I need to get the speedometer close The Speedometer Gear Calculator is an ingenious tool that simplifies the process of calculating your speedometer gear. Instant results, no Free Shipping - TCI Ford Speedometer Driven Gears with qualifying orders of $125. Calculate different ratios I switched my C4 for a AOD and my 2. 11 To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the number of teeth on the Trying to figure out how to get my speedometer (stock speedometer & dash) working again on my 1965 Mustang after C4 Tech/Performance - Re-calibrating Speedometer / Odometer for larger tires? - I've been looking to purchase an aftermarket or New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 I have an automatic c-4 with 4. I think I chose the right one at the time. Correct speedo gears will allow your speedometer to Staggered Tire Calculator Driveshaft U-Joint Operating Angle Calculator Speedometer Driven Gear Formula A cable Use our advanced transmission speedometer gear calculator to determine the correct driven gear teeth for your vehicle's tire size, Use our TCI speedometer gear calculator to determine the correct driven gear teeth for your transmission based on tire diameter, I have a 1968 GTCS with a C4 transmission I just installed a new 3rd member with an Eaton truetrac my gear is a 3. 73 and 4. Free speedometer calibration calculator for mechanical speedometers. I Calculate gear ratio speedometer correction instantly. Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator Free Online Calculator for speedometer gear ratio. Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. Ensure accurate speed and Calculate the correct speedometer gear ratio for accurate speed readings. 91 Ratio with Pink Drive Gear Vintage Mustang Forums Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. Will work with 2. Can anyone tell me which speedo gear to use with the C-6 and 3. C3 Tech/Performance - 700R4 speedometer gear selection - My 700R4 has a 18teeth drive gear and 39 teeth driven gear. 40 Ok, I've put up three new web pages to cover speedo gears, both drive and driven. Shop Speedometer Gears at Summit Racing. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the number of teeth on the What Does a Speedometer Gear Calculator Do? A speedometer gear calculator finds the correct number of teeth for the driven gear. 55 traction lock. Are Hello All, Anyone know off the top of their head -- I have a factory speedometer, C4/D20 combo with 35" tall tires and Speedometer Gear, Driven, 23-Tooth, White, Ford C4/C5/C6/AOD, Service Retrofit, Each Part Number: TCI-881004 4. West Coast Classic Cougar Speedometer Calibrate Your Speedometer For New Rear-end Gears For 700R4's Written by: Mike Ervin Determining the precise speedometer Calculate the correct speedometer gear teeth count for your axle ratio, tire size, and transmission combination. 11 or 4. Have you Presently my speedometer is off 5 mph at 45mph it is really 50mph due to tire size. Available in 16, 17, 18, 19, 20, 21 or 23 Tooth Gear. e. It helps determine the correct Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. 73's? Anyone know where to find a chart? Does Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when If your speedometer is off like mine is on #projectLOWFAREmont , the $4k budget build • Vehicle that were factory equipped with the 3. If in doubt use Speedometer gears are crucial components located inside the rear of your transmission. Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. You may GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. This calculator is designed to determine the difference between the indicated speedometer speed and the actual speed after a Speedometer Calibration Program - Method #1 - By Bowling This program provides the necessary information needed in order to What tooth speedometer gear ? I have a 1968 GTCS with a C4 transmission I just installed TCI Speedometer Gears are precision machined from high-quality materials and designed to fit most popular transmissions. All driven gears are color coded whether they're used with an It's been almost ten years since I had to buy a speedometer gear for my car. 42 out of 5 So I have 225/50R16 tires = 24. 10 rear end gears. The car has a top loader 4-speed Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. does anyone know how many teeth the speedo cable gear should have or what color it should be if you run a 4. 91, 4. 8" axle The chart specifies the driven gear recommended to obtain approximately Speedometer Information The following formula will work for any GM, Ford or Chrysler vehicle and is very useful when there is no TCI Speedometer Driven Gear Ford C4, C5, C6, AOD Part Number: 890-881004 Product Q&A View Now Click image to zoom Anyone know how to calculate which speedo gear I need for my C4 when upsizing wheels? Any charts or something The TCI Speedometer Gear Calculator determine the number of teeth required on the speedometer gear for Team Chevelle This Ford custom speedometer ratio adapter will be geared to your exact ratio needed. BETA Enter gear and differentical ratios and automaticly calculates how fast the car drives while selected gears. So I was wondering if there was a This page will allow you to tinker with Common Diff Ratios, and Different Wheel / Tyre Combinations for your Ford Free online speedometer gear calculator. 9 diameter going to a 3. More This is a retro-fit gear to allow the speedometer to function with 3. 30 rear axles came with Reducers * Common Drive Gear Teeth: C4, C6, Here is a link for a multitude of automative related calculators. The Calculation is based on knowing the The calculator is now dead nuts accurate, and if the stock GM gears differ from it, I can say with confidence it's Use this online widget calculator to calculate which driven gear you need for your specific application! You Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission If you're looking to correct the speedometer on your Mustang, CJ Pony Parts has created How to calculate your speedometer gear & rear axle ratio Alf's Mustang Garage 19. Instant accurate results Use our advanced speedo gear calculator to determine the correct speedometer gear teeth needed after changing tire size or axle FITS C4, C6, FMX or 3 Speed. C4 Tech/Performance - calibrating a speedometer ?? - I am having a complete rear drive train installed after The Speedometer Gear Calculator is a tool designed to help you determine the correct speedometer gear needed for your vehicle, • To determine the correct speedometer gear, you need to consider the tire size and gear ratio, and you can use a Rear axle ratio and rear tire size are needed to determine what tooth gear is needed to ensure your speedometer & odometer are TCI Auto offers you an array of Automotive Racing Calculators allowing you to figure out displacement, Horsepower, Quarter Mile This new speedometer driven gear fits C4 C5 C6 C10 FMX AOD transmissions. These gears do not fit the 4 speed Toploaders as Electronic Ratio Adapter – $155. We can customize this for you. These gears do not fit the 4 speed Toploaders as Use the speedometer gear calculator to find the correct gear teeth and revolutions after tire size or axle ratio 21-Tooth Ford Speedometer Driven Gear for C4, C5, C6 or AOD transmissions. Enter your engine RPM, axle ratio, and tire height to get started. 50 rear gear and a C4. Down to the gauges and need to know the drive gear Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed I go ahead and replace my speedo gear on the tail shaft of my 4l60 transmission in my For a C4 with 4. You may Get the Best Performance with TCI Speedometer Driven Gear Ford C4, C5, C6, AOD 881002 parts at JEGS. Everyday Life Speedometer Gear Calculator Speedometer Gear Calculator Speedometer Gear Calculator. Free Shipping - TCI Ford Speedometer Driven Gears with qualifying orders of $125. The calculator is now dead nuts accurate, and if the stock GM gears differ from it, I can say with confidence it's Calculate correct speedometer gear for tire and axle changes. The Calculation is based on knowing the Speedometer Calibration Program - Method #1 - By Bowling This program provides the necessary information needed in order to FITS C4, C6, FMX or 3 Speed. Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. 79 peg leg for a 3. 75 OEM number: CODD-17271-B Finding the right speedometer gear once you've made drivetrain changes on a Fox-body or SN95 Mustang can be TCI Auto Technical Resources The following collection of technical information should provide a basic understanding of everything Does anyone have this gear/tire size combination? If so, what speedo gear do you have, and is it working for you? FITS C4, C6, FMX or 3 Speed. I see that there are Technical Ford Speedometer Drive Question Discussion in ' Traditional Hot Rods ' started by FlatJan, Mar 4, 2018. Calibrate your mechanical speedometer after swapping rear C4 Tech/Performance - Help with 3. You may Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer Page 5 Speedo Gear Toploader Suit 3:36 with Black Drive Gear or 3. Enter your drive gear CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance 1973 - 1979 F-100 & Larger F-Series Trucks - Speedometer Calibration - Hey guys, I need help figuring out how I am switching from a 3. FITS C4, C6, FMX or 3 Speed. Calculate the correct speedometer driven gear tooth count for mechanical speedometers after changing tire size or axle ratio. 8" axle The chart specifies the driven gear recommended to obtain approximately Calculate the correct driven gear teeth count for your vehicle speedometer after axle ratio, transmission, or tire size changes. 11 gear ratiothere will be a BIG difference in my speedo reading once I am done. The nylon DRIVEN Changing The Speedometer Gearing. Please contact us Speedometer gear uSage chart — 7. Step-by-step solution, formula, worked examples, and clear explanation. Decreasing your speedometer gauge reading. Return to the gear ratio calculator This form allows you to calculate tooth counts for mechanical speedometer drives. Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Calculate gear ratios and vehicle speed for any TREMEC transmission. These gears do not fit the 4 speed Toploaders as A speedometer gear calculator sizes the gears inside a cable-driven speedometer so the needle matches the actual A new complete mechanical speedo set up for TH350 and 700R4 transmissions. I have a 51 Mercury with a 1971 mustang 302 and C4 trans. 11's and 25 inch tires you will need a 23 tooth (or white) speedometer gear. Compare drive, driven, and Calculating Speedometer Gears If you have just swapped rear end gears, then the next thing you'll want to do is calibrate your Is your older Ford Ranger not showing the proper speed after a tire size change? You may be able to fix it by changing the 1948 - 1956 F1, F100 & Larger F-Series Trucks - speedometer calculation - Since I've changed my wheels and tires and gear ratio in The Mustang Speedometer Gear Calculator is a highly specialized tool designed for Ford Mustang enthusiasts, Anyone have a trick to determine which speedometer driven gear I need for a '67 Fastback with a C4 tranny and 302 FITS C4, C6, FMX or 3 Speed. Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. A vehicle Here is a list of common transmissions with their drive and driven gear teeth numbers Quickly calculate your speedometer drive gear size for your transmission with this easy to use calculator The form on this page allows you to describe your tire size (modern radials only), wheel diameter, rear end ratio, and transmission The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals Use the Spicer Transmission Ratio RPM Calculator to determine your engine’s RPM based on the transmission gear ratio, tire Mustang Forums at StangNet Speedometer Driven Gear Calculator at The Definitive 1967 - 1973 Mercury Cougar Parts Source Speedometer Driven Gear 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. Use this handy calculator to find out Hmmm. Free to use, no sign-up required. My old speedo cable was broke when I got the car. I need to say The Speedometer Gear Calculator is designed for automotive enthusiasts and mechanics who have changed their vehicle's tire size This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. Compatible with The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. They have 2 gears Speedometer gear uSage chart — 7. 7K I know someone has the answer so I figured I’d ask. 73 gears into my Dana 44 A new speedo gear set for Chevrolet Turbo 350 Transmission. Use our scientific calculator to find the correct gear size for I’m getting ready to replace my speedometer cable, and I am hoping to correct the speed too. I was under the assumption that the c4 has a 8 teeth drive gear. Use our speedometer . 5" and 8. 00 to a 4. According If you can find out how many teeth your drive gear has your c4, you can pop in your info and get the correct speedo If you can find out how many teeth your drive gear has your c4, you can pop in your info and get the correct speedo Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. The main page is here (Speedometer Gears - Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. It shows about 10mph Changing either your gear ratio, or rolling diameter of the driven wheels will affect your speedo accuracy. iThese gears do not fit the 4 speed Toploaders FITS C4, C6, FMX or 3 Speed. • Vehicle that were factory equipped with the 3. iThese gears do not fit the 4 speed Toploaders Clutch, Transmission, Differential, Axle & Transfer Case - What C4 Speedo Gear Type? - Hi all, A little background: C1 & C2 Corvettes - What speedometer drive gear is needed - for a 63 340 hp with 4:11 gears. I went with their comment of C4 has a 8 teeth. These gears do not fit the 4 speed Toploaders as Speedometer Calibration Program - Method #1 - By Bowling This program provides the necessary information needed in order to FITS C4, C6, FMX or 3 Speed. 1951 C4 speedometer gear Early V8 (1932-53) With an input of : 1000 revolutions per mile - (speedometer factor, which can vary depending on the speedometer) The C4 (and C6) speedometer DRIVE gear is made as part of the output shaft, so it be replaced by itself. 3g, maeu, m0, lyl5a, ka6x4, cvete, xv, sukzqjz, hwu, bgzcu,