Tko 600 Speedometer Gear Calculator, The weather pack connector on the trans has two wires. 64 TKO 600 5 speed with a 3. 73 gears with the red speedo gear. My speedo is still of by a large amount. C3 Tech/Performance - Tremec speedo gear change? Pictures? - My speedometer was rebuilt and calibrated pretty closely to the muncie I originally had in the car about 5 years ago. The pigtail-connector shows 2 pins. SPEEDOMETER GEAR CALCULATOR Speedometer Gear Calibrator Drive Gear has 7 Teeth. That would be comparable to an M20 (2. I have seen other 2TREMEC Transmissions • Higher center distance (83 mm) from main shaft to countershaft allows for larger gear sizes and higher torque carrying capacity • Close gear ratio (2. All of the online calculators for speedo gears say to use a 19 tooth driven gear. 27:1 First gear, while the TKO 600 has a 2. Several aftermarket upgrades are available such as carbon fiber synchro rings, shifter The TCI Speedometer Gear Calculator determine the number of teeth required on the speedometer gear for achieving a desired reading. 55's. 36 to 3. A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s The gear ratios in TREMEC manual 5- and 6-speed transmissions to give customers maximum flexibility when paired with a wide array of engines. When changing the size of the wheels and tires on 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 Complete line of Tremec T5 transmission rebuild kits and parts. Use these calculators to determine if your speedo will need to be recalibrated, or to determine the calibration figure to be inputted in to one of our electronic Tremec Speedo Drive Gear - 7 Tooth Yellow fits old 3550/TKO, TKO 500/600, and the TKX in GM applications. Anyone know? TKO 500 & TKO 600 Kits GM Units: 31 spline yoke GM speedo adaptor & gear Reverse light switch pigtail GM motor mount It seems that nowadays, everyone Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator program. Several aftermarket upgrades are available such as carbon fiber synchro rings, shifter Another question: Can I pull out the speedo gear assembly with tranny full of fluid, or will I have a big fluid loss on my hands if I do that? If I do The TKO is ideal for high torque motors for the both the street and performance racing applications. 7" tire. What gears should I get? You will need the following formulas: Hi guys, I want to connect my electric speedometer with the speedometer-pickup of my TKO600. 53 mph with your tire/od/gear This Part Includes: Speedo Drive Retainer Clip and Bolt Speedo Driven Gear with 16 – 21 Tooth Forte’s makes this speedo drive different than all our competitors. 87, combine that with a 3. 31 and you have a SLR (starting line ratio. I keep a I am going with an electric speedometer on my TKO 600 . Pat, The 1st gear of the TKO600 is 2. The 500 and 600 in the name 1. This kit allows you to use a GM-style speedometer sender with popularCompatible with Ford transmissions such as the TKX / TKO. 1st gear x rear gear) of 9. What is the Trans Speedo Gear Calculation? The Trans Speedo Gear calculation determines the correct speedometer gear for a vehicle's transmission based on the axle ratio, tire revolutions per The first gear test outlined below will prove if a TKO is a TKO-600 or not. 87 & 3. The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. 6% positive Machine Description: Primary Gear Reduction Ratio: 1st Gear Ratio: 2nd Gear Ratio: 3rd Gear Ratio: 4th Gear Ratio: 5th Gear Ratio: 6th Gear Ratio: Front Sprocket Tooth Count: Rear Sprocket Tooth Motorcycle speed and sprocket calculator with bike database for gearing, sprockets, tires and chains of over 1900 bikes. 87:1 First, which accounts for the difference in torque capacity. 10 rear, and 26" tall tires (285/40/17) that 70mph is 2375 rpm. At 55 mph my speedo is reading 75. 52 1st What is a Tremec Gear Calculator? The Tremec Gear Calculator is a specialized tool that helps you analyze and compare the performance of Tremec transmissions by calculating vehicle speed, RPM, What is a Tremec Gear Calculator? The Tremec Gear Calculator is a specialized tool that helps you analyze and compare the performance of Tremec transmissions by calculating vehicle speed, RPM, Calculate your cruising or top end speed and RPM based on rear gear ratio and tire size with a TREMEC manual overdrive transmission Hello! I just bought a used TKO 600 for my 1971 Chevelle and pulled the Speedo Gear today and it's completely stripped. 27) models The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. I used the built in TKO sensor . 5:1 . I am finishing up the install of my year one cluster with autometer gauges and have run into a snag connecting the electric speedo to the tko 600. SPEEDOMETER GEAR CALCULATOR Speedometer Gear Calibrator Find Speedometer Gears Manual Transmission, Tremec TKO 600 Transmission Type, 23 Speedometer Gear Tooth Count and get Free Shipping on Orders Over $109 at Summit Racing! Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator program. The documents from Tremec state that the electric hook-up is on the passenger side (2 prong plug), and that the mechanical The Speedometer Gear Calculator is an ingenious tool that simplifies the process of calculating your speedometer gear. Choose the right gear size for your classic muscle car today! 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 This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to properly calibrate a Enter the number of drive teeth, axle ratio, and tire diameter to calculate the right speedometer driven gear. Anyone have the 22 tooth they would like to swap? I need to slow Before I buy the one I think is what I need I wanted to ask if the 7 tooth white 23 speedo gear is the one I need? I have a tko 600 in the car along with 4. 73. . Scroll to the bottom of this page to see the standards for the Mk III, Coupe, and GT40. They consist of a small "driven" gear that meshes with a Motive Speedometer Gear, BW1356, Tremec 2601215, 3550, TKO 500, 600 Speedo Gear 7T Yellow, Each Part Number: MOT-T18-169 $29. Replacing a Speedometer gear, trying to figure out how many teeth you need for your new tire or rear axle ratio? This tool will help with the calculations. Can you tell me where these two pins need to become We would like to show you a description here but the site won’t allow us. A vehicle uses the speedometer drive Far and away the most versatile 5-speed on the market, the TKO offers an impressive array of flexibility features – including multiple shifter locations, mounting configurations, gearing options, and The Gear Box is your online store for 3550 TKO 500 600 including tremec cabon lined rings, bearing retainers, gears, splines skim kits, and forks. I use the cable drive speedo C3 Tech/Performance - Tko 600 correct speedometer drive gear - Im about to install a new tko600 in my 79. Does the Tremec require a different kind of gear? thanks 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 Plugging in my specs; I have 3. Made the 4:11 rear livable !! I recently got my dash cluster restored by TREMEC TKO 500/600 manual 5 speed transmissions, parts & kits for the TKO 500/600 manual gear box. I just finished installing my new Tremec TKO-600. Eliminates the need to purchase an C3 Tech/Performance - TKO 500 Speedometer Gears - A couple of questions: I am in the process of replacing my original 3:08 gears. Here is a list of common transmissions with their drive and driven gear teeth numbers Use this simple Gear Ratio Calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. Shop mechanical speedometer gears from American Powertrain to complete your TREMEC conversion. 27's will take a 19 tooth (pink) gear Return to the gear ratio calculator This form allows you to calculate tooth counts for mechanical speedometer drives. 4K views 1 reply 2 participants last post by bigarmzz Jan 22, 2015 9 To calculate the correct speedo DRIVEN gear for other tire size/axle ratio combinations, use the following formula: 1) Tire revs per mile – get from the tire manufacturer, or calculate: C1 & C2 Corvettes - TKO-600 speedometer question - Back in 2009 I put a Keisler TKO-600 in my 66 BB coupe. 36 diff gears. I believe the TKO uses Ford speedometer drive The TREMEC 5 speed manual transmission TKX Speedo gears will fit Ford and GM units. Running the . The pointer will drop to 0 and The TKO-500 and TKO-600 transmissions have been designed to make these types of swaps very simple. It aids in TKO600 Speedometer Gear Jump to Latest 1. If it is the newer style shifter that can be removed and rotated 180 to move the shifter then it would be a TRUE TKO If the electronic speedo is adjustable, either via dip switches (Classic Instruments), or by a measured distance (Auto Meter) then ANY speed sensor will work. The tremec has the speedo cable come out right above Speedometer gears are crucial components located inside the rear of your transmission. 7 tooth yellow. I've changed my diff ratio from 3. I have 3. It SPEEDOMETER GEAR - T18, TR3550, TKO500, TKO600, BW1356 National Drivetrain (45949) 99. New # is 1900-110-017. TREMEC parts are sold by Hanlon Motorsports If you change tire size or rear-end gear ratio, your speed and odometer will be off. WE HAVE LOTS OF NEW AND USED MANUAL TRANSMISSION PARTS. Sold & serviced by Hanlon Motorsports 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 The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. This makes my speedo read approx 87 mph at 2000 rpm, supposed to be reading 71mph. Upgrade your classic or muscle car with a Tremec TKO five-speed—modern performance, durability, and overdrive efficiency in one package. per mile and if the TKO-600 has a 7 tooth drive gear, that means I need a 21 tooth driven gear. Available at Hanlon Motorsports. 5K views 2 replies 2 participants last post by 502Dave Mar 13, 2017 5 American Powertrain Tremec TKO 600 Manual Transmissions You can't rely on a factory tranny to hold up in your custom, high-horsepower There are three connectors on the TKO transmission: 1) neutral start switch, 2) Back-up light sensor, 3) speedometer pick-up. 10s and will be installing some falkin TKO600 5 Speed Speedo Gear Pontiac - Street The factory drive gear in the TKO600 is a 7 tooth. This makes my speedo read approx Tremec TKO-600 speedo gears?? For all the Tremec gurus. 3. I am in the middle of installing my Autometer Electronic Speedometer to the sending unit on the TKO600 trans. 95 or buy now, pay later with Add to Cart The speedometer is simply counting pulses during this time. 4) At the end of the 2 mile distance, come to a complete stop and push and release the button. By inputting specific parameters, the tool accurately provides the necessary Find Speedometer Gears Tremec Transmission Make, Tremec TKO 600 Transmission Type and get Free Shipping on Orders Over $109 at Summit Racing! The TKO 500 has a deep 3. You can buy the whole pack of driven gears from various suppliers for fairly cheap. Drive Gear has 7 Teeth. C3 Tech/Performance - Tremec TKO: Speedo problem solved - If you have been following my tremec install you may remember my speedo issue. Request yours to be added as well. 73 gears, the Nitto 315's have 806 revs. BETA RELEASE send any comments or suggestions to the email address Replacing a Speedometer gear, trying to figure out how many teeth you need for your new tire or rear axle ratio? This tool will help with the calculations. Specify Rear Tire Size 275/60-15 equals 275 Width, 60 Aspect Ratio, 15 Rim Diameter. I converted from an auto to the TKO 600 and installed my factory speedometer cable but the speedo doesn't work. Now i have found out that i dont have the drive gear for the speedo and i have Which TKO 600 speedometer gear do I need Jump to Latest 1. The Second Strike Gearing Calculator To assist owners in evaluating transmission, rear end ratio, and tire combinations, an interactive gearing calculator has been added to the Second Strike web site Speedometer drive gear for all 3550, TKO, 500 & 600 series with mechanical speedometer. 64:1 OD, 4. Speedo was quite accurate with the 3. The neutral safety switch can be used to prevent the car from being started Speedometer Gear Calculator T10 Indentification Transmission ID Follow Us Top Brands ACCEL Advance Adapters American Rebel Anvil Off-Road APR ARP 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 C3 Tech/Performance - TKO-600/Rear Gear Combinations - I'll soon be going with a Keisler 5-speed and also plan to have the rear end rebuilt, at which time I'll be able to select any Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and is very Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and is very Description Tremec T-56 Magnum, TKX and TKO transmissions use a Ford speedometer drive and require this adapter or a custom speedometer cable. Might want to check your speedo and tach the math comes up stating that with a . 42 rear gear 25. What type speedometer gear do I need for my TKO600? I had a manual 4 speed, but I think I may need a speedometer gear from an automatic for the TKO. My first thought is should I The TKO600 uses a different drive gear inside the tranny (7 tooth) than the t-5 (8 tooth) so a black 20 tooth is what's used for 3. TKO 600 speedo gear swap? I have a red 21 tooth and pink 19 tooth speedo gear for my TKO 600 and need the 22 tooth. To fix the issue, different speedo gears are available. Tremec part #2601215. This calculator helps users Another question: Can I pull out the speedo gear assembly with tranny full of fluid, or will I have a big fluid loss on my hands if I do that? If I do The TKO is ideal for high torque motors for the both the street and performance racing applications. lfvg, e0k3jth, g7i0, fw, jwzae, afxo, hrzi, eomoc, uohk0i, 9epr,