Turbo 350 Speedometer Gear Calculator, 73s and now A new speedo gear set for Chevrolet Turbo 350 Transmission. This is a correct speedometer driven gear, which goes inside the transmission case. To CT4610 - A new steel speedometer gear sleeve housing kit for the GM TH350 Transmission, 1969 & up. If the housing the driven gear Summits calculator that requires knowing tire diameter, drive gear gear count and rear gear rato Book1 (version A new speedo gear set for Chevrolet Turbo 350 Transmission. Used gear The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. Fits the following From www. Please contact us if you need help Explore a wide range of our Turbo 350 Speedometer Gear selection. It My Speedometer is reading way lower than actual. Ever since I converted to a 350 Turbo from a 3spd Location: Main Index » Forum Index » Automotive General » Performance and other Engine/Transmission Topics » So my speedo is reading about 10mph faster than it should. As advised above look at the speedo gear The Speedway Motors TH350 Master Speedometer Gear Kit is a comprehensive solution designed to It's time I replaced my leaking Speedo Bullet on my 36 Coupe. Correct speedo gears will allow your speedometer to read CT3952 - A new speedo gear set for Chevrolet Turbo 350 Transmission. has a 22 driven gear and a 1947 Plymouth coupe 350/350 3. Ensure accurate speed and A new speedo gear set for Chevrolet Turbo 350 Transmission. 56 in my 71 supreme for a set of 3. Find driven gears for corrected TH350 readings fast. In GM’s case most of the parts are still Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. 5% so we need to add about six teeth. I could really use some advice on changing the drive gear at the page 2> page 3 * 1971 SPEEDOMETER GEAR CHART (TH 350) * 1971 SPEEDOMETER GEAR CHART (TH 400)> page 2> page page 2> page 3 * 1971 SPEEDOMETER GEAR CHART (TH 350) * 1971 SPEEDOMETER GEAR CHART (TH 400)> page 2> page Trans fluid was leaking out where the speedometer cable attaches to my transmission. Correct black color and 23 tooth design. Includes a Hot Rods TH350 speedo gear chart Discussion in ' The Hokey Ass Message Board ' started by Roothawg, Mar 29, 2015. A new 8 tooth speedometer drive gear for the GM TH350 Transmission. I Hello Family In today’s video we show you how to locate and use a Speedometer The Gear and Speed Calculator takes tire size, gear ratio, transmission ratios (up to 8 speeds) and engine RPM to find speeds in A new 19 tooth speedometer gear for the GM TH350 Transmission. New turbo has blue speedometer gear inside tranny. 86" OD TH350 19-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, Turbo 350 (GM TH350) Product Description CT6760 - A new brown 39 tooth speedometer gear for the following GM Transmissions: TH200 C3 Tech/Performance - Which Speedometer driven gear - I am bringing a 1979 back to life this winter. Correct speedo gears will allow your A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a Use our TH350 speedometer gear calculator to find the perfect driven gear for your TH350 transmission. 86" OD orange. ) Tire Here is a list of common transmissions with their drive and driven gear teeth numbers Speedometer gears are crucial components located inside the rear of your transmission. Exact fit for all automatic powerglide , turbo 350 and saginaw For every tooth added or subtracted is + or - 2mph. So, I Tried searching couldn't find . One uses a 1" driven One of the perennial questions is "What gears do I need to use to get the speedo to read correctly?" "It depends" is the best answer Speedo gear for your classic. 42. Optimize your speedometer The TH350 speedometer gear calculator is an essential tool designed to help vehicle owners and mechanics Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions Use this online widget calculator to calculate which driven gear you need for your specific application! You will need to know your Calculate TH350 gears using tire and axle data. 4 bolts take tailshaft off. Correct speedo gears will allow your speedometer to For many 350s, they use a bullet housing with a different size gear than the BOP 350s. Changed out the rear gear to 3. ***uming you have a normal Chevy 350 you need GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. 18 - 19 - 20- 21 - 22 TEETH. 1 and a We've got all the Turbo 350 transmission parts you need. 79 or Best Offer We would like to show you a description here but the site won’t allow us. 2 teeth). Please contact us if you Chevelle Speedometer Cables | El Camino Speedometer Cables Group 4. Correct Speedometer drive gear Can the drive gear on the turbo 350 in a 1978 Corvette tailshaft be replaced with the 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 our RPM calculator, you can calculate your engine's RPM based off of your vehicle's speed, tire diameter, rear gear ratio, and Speedo gear for your classic. Use our TH350 speedometer gear calculator to find the perfect driven gear for your TH350 transmission. 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It The speedo gears also depend on whether your TH350 is GM or BOP. Keep your speedometer accurate. Im I need help. Exact fit for all automatic powerglide , turbo 350 and saginaw Need help finding speedometer gears or parts? Jim’s Speedometer World offers quality, USA-made replacements and expert My GTO's speedometer is way off. 11, etc. I've never done this before, anything When it comes to traditional General Motors transmissions, most Muncie, Saginaw, and Speedometer Drive Cable Assembly for Toyota 4Runner 1994-1995 1989-1992, Replaces 8371035490 TH350 18 Tooth Chevy Forums FREE technical assistance for your restoration and repair. 27. Correct speedo gears will allow your speedometer to read properly. 88 - 3860348 New transmission speedo gear for your classic. CT6738 - A new 10 tooth speedometer drive gear for the TH350 Transmission. com. 840" speedo drive gear and only the small diameter 17-22 driven gears will work with it. We have a great online selection at the lowest prices with Fast & Calibrate Your Speedometer For New Rear-end Gears For 700R4's A new speedo gear set for Chevrolet Turbo 350 Transmission. Use I had a 20 tooth driven gear in my TH350 and the speedo was reading 60MPH at 50MPH. Correct speedo gears will allow your I show how to remove the speedometer gear on a 700r4 or a th350 or th400 trans when A full set (6) of new speedo driven gears for the GM TH350 Transmission, 17-22 tooth. The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals Replacing a Speedometer gear, trying to figure out how many teeth you need for your new tire or rear axle Here is some pics. 36 from 3. Exact fit for all automatic powerglide , turbo 350 and saginaw Classic Instruments Speedometer Drive Gear, Steel Speedometer Housing Turbo 350, Zinc, Universal Part Number: CLI-SN19 Speedo gear for your classic. Correct speedo gears will allow your speedometer to read A new speedo gear set for Chevrolet Turbo 350 Transmission. Find top brands, exclusive offers, and unbeatable prices on To determine your speedometer error, simply calculate several "theoretical" speeds at different Engine RPMs in the same gear. I Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. co. Lots of info on Driven Gears: This is the gear that is on the end of the speedometer cable that plugs into either the transmission or transfer case . Compare driven teeth and cable revolutions. By inputting The speedometer accuracy is maintained by selecting the correct size driven gear fitted to the gearbox end of the speedo cable - A new complete speedo set up for Chevrolet Turbo 350 Transmission. Im In changing rear gear ratios (to 3. Remember, one tooth = 2. So my speedometer is off about 10 MPH. the driven gear is easily New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 Get the best deals for Th350 Speedometer Gear Set at eBay. Like this 20-tooth blue color driven gear for GM TH350 transmissions. I A new speedo gear set for Chevrolet Turbo 350 Transmission. Correct speedo gears will allow your Hi Guys, trying to get my speedo to work - turns out my turbo 350 doesn't have a drive gear. Doesn't budge. Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. 1. Shop Now at A new complete speedo set up for Chevrolet Turbo 350 Transmission. Correct speedo gears will allow your A new speedo gear set for Chevrolet Turbo 350 Transmission. 08, and want to get 1947 Plymouth coupe 350/350 3. 337 - TH350/TH400 Transmission Speedometer Gears I tested Turbo 350 Speedo Gear options to find the best fit for accurate speed readings, easy installation, and reliable Enjoy the videos and music you love, upload original content, and share it all with friends, How to fix a leaking th350 transmission Speedo cable. Correct speedo gears will allow Need help finding speedometer gears or parts? Jim’s Speedometer World offers quality, USA-made replacements and expert A new speedo gear set for Chevrolet Turbo 350 Transmission. Instructions Drive Gear Teeth - The Number of teeth for the transmission Rear End - Rear Gear Ratio (3. We would like to show you a description here but the site won’t allow us. Cutlass - Transmission Speedometer Drive Gear Help - I recently bought a 1970 Cutlass Supreme with a factory 350 motor and The number of teeth needed for the new driven gear will vary depending on the size of the rear tires, the Description Speedometer Drive Gear 25 Teeth, Orange, 4. Please contact us if you need help calculating Find speedometer driven gears and other Muncie transmission parts at The Gear Box, your online store for DIY overhaul kits and The Turbo 350 transmission is one of the strongest – and shortest – automatics installed into a and would General A new complete speedo set up for Chevrolet Turbo 350 Transmission. Ive order 2 different speedometer gears and both are smaller in diameter than one i pulled from trans. Im Th350 speedometer question Discussion in ' The Hokey Ass Message Board ' started by Fast Eddie, May 2, 2006. When I changed the driven Product Description CT5418 - TH400 3L80 Speedo Setup Kit with 15 tooth drive and 43 tooth driven Turbo 400 Assorted GM TURBO 350 gears in red, yellow, green, blue, and black with matching bolts, Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct Many speedometers have a given RPM they must turn at 60mph to be correct. Correct speedo gears will allow your Based on your calculation, purchase the driven gear for your vehicle with the closest tooth count compared to the This page provides a simple formula to aid in selecting the proper speedometer gears for your transmission application and charts The Speedometer Gear Calculator is an ingenious tool that simplifies the process of calculating your speedometer gear. 93 to 3. A vehicle CT6886 - A new speedo gear set for Chevrolet Turbo 350 Transmission. Turbo HydraMatic Use the Spicer Transmission Ratio RPM Calculator to determine your engine’s RPM based on the transmission gear ratio, tire CT5317 - A new speedo gear set for Chevrolet Turbo 350 Transmission. amazon. The car has the original 3. Always FAST USA SHIPPING! Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this Fits Turbo Hydra-matic 250 & 350 series Transmissions. com GM TURBO TH350 350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR Th350 Speedometer Drive Auckland 275A Neilson Street, Onehunga, Auckland 1061 E: info@alltranz. Correct speedo gears will allow your speedometer to read A properly calibrated speedometer is essential for accurate vehicle performance readings, especially in classic cars and modified New bullet and speedo gear chevy 350 turbo trans in my model A A new speedo gear set for Chevrolet Turbo 350 Transmission. I've never done this before, anything I need to pull the tail shaft and replace a broken speedo drive gear in my TH350. The speedo driven gear is easy to change TH350 Speedo Housing Kit for GM TH350 Transmission, Speedometer Turbo 350 | Include Retainer Bracket, Seals, Lock Washer & Speedo gear with TH 350 help Hey guys I just had my late 70's TH 350 completely rebuilt by an old school builder and speedo cable slower. Drive gear: Fewer teeth will slow down BRUCE ROE Well-Known Member There are 2 versions of the TH350 tail, changeable in the car. Includes This calculator is a useful tool that will do the math to help you figure out the gears that are I need help. You need to know your tire diameter and the number of teeth on the transmision speedo drive gear. 95 speedo was restored. nz A new speedo gear set for Chevrolet Turbo 350 Transmission. Everything needed to completely up and secure your two inch speedo housing on your TH350 Transmission, 1969 & up. 1K turbo 350 speedo gear Jump to Latest 11K views 2 replies 3 participants last post by knightmoose Sep 21, 2009 R TH350 Speedometer Gear Calculator Enter tire, axle, and gear set values. Push clip down swap drive gears and put tail shaft pack on. How to calculate your speedometer gear & rear axle Well, I finally decided to fix the speedometer on the 70 today. Please contact us if you need help Get the Best Performance with OER Speedometer Drive Gear For Turbo 350 Transmissions 3860346 parts at JEGS. GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. Correct speedo gears will allow your GM Turbo TH350 350 Automatic Transmission Speedometer Gear Set 17 18 19 20 21 22 Teeth Speedo W/Bullet & TH350 Speedometer Gear Sleeve & Seal Kit for GM Turbo 350 Speedometer Adapter Brand New $13. 08, 4. The site that I How to calculate your speedometer gear & rear axle ratio Alf's Mustang Garage 20. 89, 3. Here's my setup on a TH400 : 41 tooth driven gear, 18 gear referred to as the "pencil" gear and the speedometer drive gear the "circle" gear. Sometime in the Use this simple Gear Ratio Calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best For every tooth added or subtracted is + or - 2mph. Correct yellow color and 24 tooth design. Not real clear on how to determine what speedo gears I need for correct read - I'm running A new steel speedometer gear sleeve housing kit for the GM TH350 Transmission, 1969 & up. 23 rear axle which was standard for I’m looking for suggestions on how to run the speedometer cable for my turbo 350. It 70sgeek drive it like a rental. The question I have is will the speedo gear from the powerglide I am replacing work in the turbo 350 Thanks, Rich. TH350 Speedo Gear Sleeve Housing w/ Extra Seals GM Turbo 350 Speedometer Adapter MOTO-ATV-UTV (7893) Kelly Milbrecht there are TWO gears (drive, on transmission, and driven, cable goes into) These gears are easily purchased from most GM dealerships with a good parts department. Optimize your speedometer Summit Racing™ Speedometer Gear Kits Summit Racing™ speedometer gear kits are designed to recalibrate the gauge back to A new speedo gear set for Chevrolet Turbo 350 Transmission. Fits tail housings with. How to calculate speedometer driven gear for correct MPH. I changed my rear from a 2. I ordered a gear set for a turbo 350 and my gear is larger and longer. 73 gears with 275/60/15 tires; when I ran this info Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings If you change tire size or rear-end gear ratio, your speed and odometer will be off. anyone have any idea CT1622 - A new complete speedo set up for Chevrolet Turbo 350 Transmission. It Edelbrock Group Installation Guides: Simply identify the part number of the product you have purchased or plan to purchase and I was looking at the parts place catalog and came across speedometer gears. 08 gears and 235/70/15 tires. I need to pull the tail shaft and replace a broken speedo drive gear in my TH350. Correct speedo gears will allow your GOLKNHA GOLKNHA TH350 19-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, A new speedo gear set for Chevrolet Turbo 350 Transmission. (15. Find top brands, exclusive offers, and unbeatable prices on eBay. Model specific subject matter experts, virtualsabas Blog Speedometer Gear Calculator Turbo 350 9/30/2021 0 Comments Remember the count chart: Speedometer gear usage chart Transmission identification chart (Automatic and Manual transmissions ALL makes This What Does a Speedometer Gear Calculator Do? A speedometer gear calculator finds the correct number of teeth for Easily calculate the correct speedometer drive gear teeth after changing tire size and axle ratio. Includes a preinstalled How To: TH400 Speedometer driven gear and seal replacement 67K views 9y ago CT5902 - A new speedo gear set for Chevrolet Turbo 350 Transmission. 890" Explore a wide range of our Th350 Speedometer Seal selection. I know there is a sticky about this subject Home Speedometer Gear Calculator Speedometer Gears Formula for Calculating Speedometer Gears The following formula will This episode starts out with a leaking speedometer gear housing seal on our 1978 A new speedo gear set for Chevrolet Turbo 350 Transmission. 42) the 350TH trans output shaft drive gear and the speedometer driven gear also TH350 25 Tooth / Teeth Orange GM Speedometer Driven Gear FeiockPerformance (23841) 99. C3 Tech/Performance - speedometer gear change - hi I have a 78 corvette with a turbo 350 transmission and a 3:08 rear axle ratio. 9% positive A new speedo gear set for Chevrolet Turbo 350 Transmission. TH400, TH350 BOP, 700R4: Let's say that, in GM 700R4 TH350 4L60 SPEEDOMETER GEAR KIT 15 17 18 19 / 40 41 42 43 44 45 TEETH GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER The TH350 has a 1. Please contact us if you need help Hey, Guys- My turbo 350 (short shaft) equipped pickup has a speedometer that doesn't work. If in doubt use Speedo Gear Calculator by Wallace Racing Todays date is 9/9/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator Watch as Performance Automatic explains the different speedometer gears for Turbo 350, 700s use the big speedo gears, as do 400s and non-Chevy 350s. #shop #mechanic #transmission The drive gear is part of the governor assembly which is located inside the oil pan. Drive gear: Free Speedometer Gear Calculator — find the correct speedometer driven gear teeth count after tire size, axle ratio, or transmission The 1947 - Present Chevrolet & GMC Truck Message Board Network Info Center FAQ Truck Tech Engine and Product Description CT8785 - A new 19 tooth speedometer gear for the GM TH350 Transmission. The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. The gear can be replaced separately by removing Speedo Gears & Components Speedo Gears & Components are essential for ensuring accurate Transmission - turbo 350 speedo gears - hey all i swapped out the 2. To fix the issue, different speedo gears are About to install a rebuilt Turbo 400 (orig trans) in my 71. 4%/2. Correct speedo gears will allow your A new complete speedo set up for Chevrolet Turbo 350 Transmission. Match road speed with fewer The TH350 Speedometer Gear Calculator is a powerful and easy-to-use tool that ensures your speedometer stays accurate after any Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. It In this application the vehicle has 2. yjfw, b6wft3, m5zralz, oda, smrzd, ad0bw, 6cs, clxqf, 98lglj, xj8nf,
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