Th350 Speedometer Gear Chart Pdf, I removed my initial speedo gear and casing and installed in the current transmission.

Th350 Speedometer Gear Chart Pdf, Drive gear: Fewer teeth will slow down the reading and more teeth will speed up the reading. for trans to get it to read close to right here is the combo i have How do I know which speedometer driven gear that I need? Before I started my restore, the speedometer was slow by about 10 mph at 60 mph. Patented separator plate triples 3rd Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. I've never done this before, anything to watch out for? Anybody know what gear I need for a 3. com TCI Speedometer Gear Calculator Navigation of the Speedometer Gear Calculator page is easy! Simply click on the desired calculator to populate the requested information and hit enter. v8buick. 44847AA Gear, 350 Speed-O Drive (8 Teeth) Orange (5/16” Slot) (Stepped ID) . Page 1 of 3 - Speedo Gear F. 52 “2nd” 1. 67 3rd = 3. Monster Transmission Monster Transmission General Motors Powerglide Low 1. Speedometer Pinion - tooth speedometer pinion required Overall Gear Ratios Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. It is a good idea to replace your speedo drive clip each time the gear Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. Transmission building involves careful assembly. Compare driven teeth and cable revolutions. Transmissions and Drivetrain - BOP TH350 speedometer gears (large diameter) - Okay, I'm changing the speedometer gears in my TH350 to accomodate a 2. The TH350 offered a substantial improvement to its predecessor, with the additional gear being an obvious improvement from the beginning. Find driven gears for corrected TH350 readings fast. We can customize this for you. 337 Gear, Transmission Speedometer Drive Gears (only) > page 2 * 1968 CHEVY, CHEVELLE, CAMARO SPEEDOMETER GEAR CHART (TH400 - 396) * 1969 CHEVY, CHEVELLE, Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. I ordered a gear for th350 and th400, both being A new speedo gear set for Chevrolet Turbo 350 Transmission. TH350, Speedometer Drive Gears in-stock with same How To: TH400 Speedometer driven gear and seal replacement DavidJWarEagle 3. 07's for 3. I found the following information out while deciding what speedometer gear I needed. Planning to swap the 3. Then count the Bind-Up on 2-3 Shift A bind-up on the 2-3 shift may be caused by a 250-C plate installed on a 350-C. Model specific subject matter experts, classified ads and more. 52 “3rd” 1. It will not correct the condition of malfunctioning or Transmissions and Drivetrain - I need help with speedometer gears - I finally found the driven gear housing I need for my TH350. 55 gears in a VH?? Im not sure what the differences between the vb vc and vk dashes are so maybe they are the same as the VH If A new 8 tooth speedometer drive gear for the GM TH350 Transmission. Please contact us prior to purchase if you would like us to substitute a different driven or A new complete mechanical speedo set up for TH350 and 700R4 transmissions. Im told trans is th400. Optimize your speedometer accuracy based on tire size and axle ratio. I removed my initial speedo gear and casing and installed in the current transmission. Th350 - Free download as PDF File (. 86" OD orange. Please contact us prior to purchase if you would like us to substitute a different driven or A new speedo gear set for Chevrolet Turbo 350 Transmission. During its time of usage, the TH350 was I recently changed my speedometer gear due to a rear end change. 54's. I've currently got a '72 TH350 from a 1/2ton truck in my '67. Please contact us prior to purchase if you would like us to substitute a different driven or At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the speedometer gear sleeve and pulling on the speedometer cable. 00 Gear ratios: Multiply trans ratio x axle ratio: 1st: 2. The TH350 speedometer gear calculator is an essential tool designed to help vehicle owners and mechanics calculate the correct speedometer gear for vehicles with the TH350 Use our TH350 speedometer gear calculator to find the perfect driven gear for your TH350 transmission. It Transtar Industries acknowledges that many of the illustrations in this catalog were inspired by photographs originally published by Slauson Transmission Parts and that Slauson is the owner of the Transtar Industries acknowledges that many of the illustrations in this catalog were inspired by photographs originally published by Slauson Transmission Parts and that Slauson is the owner of the In this application the vehicle has 2. . These numbers correspond to What Are Speedometer Gears? In this article, we’ll delve into the world of speedometer gears, exploring what they are, their significance, and how Looking in the chart, I find the closest match (using a small drive gear and tailhousing) is an 8-tooth tailshaft gear and a 24-tooth speedometer drive gear. Find the best Th350 Speedometer Gear Chart, Find your favorite catalogs from the brands you love at fresh-catalog. Shop kits with multiple tooth counts to match your specific needs. DRIVE GEAR CLIP. It is a good idea to replace your speedo drive clip each time the gear A new speedo gear set for Chevrolet Turbo 350 Transmission. 840" speedo drive gear and only the small diameter 17-22 driven gears will work with it. Fits A833 4-speeds, 904 and 727 torqueflites, and most applications using long shaft speedometer gears. A. 44847ADGear, 350 Speed-O Drive (8 Teeth) Black We have in stock a wide range of Original Equipment and Quality Aftermarket Speedo Gears and Housings for General Motors and Ford Vehicles. These “Speedo Discover speedometer driven gears designed for TH350 transmissions. SQUEAL AT LOW VEHICLE SPEEDS - CONVERTER - ‘SPEEDOMETER DRIVEN GEAR SHIFT SEAI LOOSE BOLTS (CONVERTER TO FLEXPLATE. It lists common trouble symptoms and the corresponding items to check, both in the car and with the A new complete mechanical speedo set up for TH350 and 700R4 transmissions. 67 vs . The series you have to use will be determined by the diameter of the driven gear fitting or sleeve. 5-26" tall tire should have? Some sort of chart or link to a reference would be COOL> A new speedo gear set for Chevrolet Turbo 350 Transmission. A new speedo gear set for Chevrolet Turbo 350 Transmission. Explore a detailed diagram of the 350 Turbo transmission, including its components and function for better understanding and maintenance. Chevrolet transmission information - dimensions, gear ratios and oil quantity Ok here we go trying to get the Speedometer right on my 64 swapped in a TH350 . The site that I used:http://www. It is a good www. Reason: Additional info Re: TH350 speedometer gearing Before doing anything else that takes effort, is the odometer correct over a drive past a bunch of highway milemarkers? If it is, your I need help. nz Summit Racing™ Speedometer Gear Kits Summit Racing™ speedometer gear kits are designed to recalibrate the gauge back to normal after changing rear axle ratios or tire diameters from stock. A new complete speedo set up for Chevrolet Turbo 350 Transmission. 4 DRIVE GEARS: 7T, 8T, 9T, 10T. The truck it came from is a 1975 C10. Learn how this popular automatic transmission operates and troubleshoot any issues. 4%/5% = 3. Shop Now at the Explore the detailed diagram of TH350 transmission parts, including components and their functions. Even the tooth count for A new speedo gear set for Chevrolet Turbo 350 Transmission. com. 73 = 9. Car is 79 L82 with a TH350. The speedo driven gear is easy to change out, so it is always nice to have some options available to keep your Learn about the TH350 transmission schematic and how it works. any thoughts?thanks Sometimes, it might require a little more work. Find detailed diagrams and explanations of the components and their functions. Shift delay, line pressure control, and shift feel are all controlled by Anyone know how many teeth the gear should have for a 59 Chevy with a TH350, 3. It is a good idea to replace your speedo drive clip each time the gear NOTE: An aluminum powerglide also exists with an 18" extension housing. The speedometer is running 10 Th350 Speedometer Gear Calculator A properly calibrated speedometer is essential for accurate vehicle performance readings, especially in classic cars and modified transmissions like the TH350. It is a good idea to replace your speedo drive clip each time the gear Speedo Gear Chart Axle Ratio 6T 7T 8T -Drive Gears 2. Will need to swap the speedo driven gear. 73 = 5. Q. 30 21 23 25 4. They have 2 gears that work together to measure vehicle speed. 00 1. Items included as Shown: Steel Speedo If you're lucky, there will be a range of driven gears for the drive gear already on the trans and you will only have one gear to purchase. If in doubt use manufactures posted diameter. [edit ] TH250, TH250C, TH350, TH350C, TH375B transmissions [edit ] Identifying transmissions in the TH350 family. TH350 Speedometer Gear Calculator Enter tire, axle, and gear set values. Turbo 350 to I switched out my stock th350 for a "new to me" th350. The overdrive gear on the 200-4R is also more aggressive (. It is a good idea to replace your speedo drive clip each time the gear What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. 10 19 22 24 4. 55 gear. The first is that the manual transmission locks and unlocks different sets of gears to the output shaft to achieve the various gear ratios, while in an automatic transmission, the same set of It's time I replaced my leaking Speedo Bullet on my 36 Coupe. The Turbo Hydramatic 350, or simply Turbo 350, is a three speed automatic transmission used between 1969 and 1986 in a variety of GM cars, th350 - Free download as PDF File (. 55 rear end? I found some PDF files recently for different transmissions and related parts and thought I should share them here with everyone! Click each for the link, hope they can come in handy. Calculate TH350 gears using tire and axle data. does anyone know what color speedo drive cogs will make the speedo accurate? Discussion about installing a 3. The small sleeve * Group 4. 2nd gear starts in low (Only applies to Th350 Speedometer Gear Chart. Download your guide today. 00-1 ratio nine Todays date is 8/2/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers 940, 960, 1000, or 1020. If I had a large drive gear and Calculator for the right gear ratio on the speedometer. Always FAST USA SHIPPING! For questions or to place an order by phone, please call our solutions Does anyone know off-hand the stock speedometer gears for a th350 with a 3. I could really use some advice on changing the drive gear at the transmission before I pick up some Explore the detailed diagram of TH350 transmission parts, including components and their functions. I'm changing my gears from 2. 69-86 Bearing, Direct Drum Turbo Hydra-Matic 350 Handbook: How to Troubleshoot, Remove, Rebuild, and Install. Anyone know what I need to do to get my speedo back The TH350 has a 1. 73 to a 3. 48 3 1. Explore TCI Auto's gear ratios for automatic transmissions, offering performance solutions for race, street/strip, hot rod, street rod, and towing applications. THIS KIT This is a correct speedometer driven gear, which goes inside the transmission case. When Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. Export your results for quick garage reference later today. Need a replacement transmission? Get an A full set (6) of new speedo driven gears for the TH350 and 700R4 Transmissions, 34-39 tooth. Any of you guys running a TH350 with a 10 bolt and 3. This manual leads you through every step of the Turbo Hydra-Matic 350 rebuild, from transmission removal, teardown and inspection to assembly and installation. 82 High 1. 1. Explore the GM TH350 automatic transmission — its specifications, adaptability to Jeep transfer cases, and compatibility with various engines. Almost all sites point to an axle ratio TH350 speedometer gear install At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the speedometer gear Detailed diagram and breakdown of Turbo 350 (TH350) transmission parts, providing an in-depth look at its components and their functions for easy Speedometer gearing charts While typing these pages, I realized there are literally thousands of combinations of speedometer gears. Learn how they function and how to maintain them properly. Find speedometer driven gears and other Muncie transmission parts at The Gear Box, your online store for DIY overhaul kits and accessories. It is a good idea to replace your speedo drive clip each time the gear Installation Instructions for Turbo Hydramatic 350 NOTE: This kit was not intended for installation in transmissions that are in poor general condition. Later models were equipped with TCC and designated as THM 350C. Driven Gears Pink 19 teeth White 20 teeth Dark Blue 22 teeth Red 23 teeth Explore TCI Auto's gear ratios for automatic transmissions, offering performance solutions for race, street/strip, hot rod, street rod, and towing applications. The speedo driven gear is easy to change out, so it is always nice to have some options available to keep I show how to remove the speedometer gear on a 700r4 or a th350 or th400 trans when it will not come off. If your cable-driven speedometer is reading incorrect mph, in order to correct the problem, you first Welcome to our online store where you will find a small selection of parts that we offer for sale. The document provides a list of parts and kits for Turbo Hydramatic 250, 250C, 350, and 350C 3-speed transmissions. 00 TH350 TH400 Lo 2. My Speedometer is reading way lower than actual. Please contact us if you need help calculating the proper gear set This episode starts out with a leaking speedometer gear housing seal on our 1978 Firebird's Turbo 350 transmission, but when we decide to replace the speedometer gear with a more appropriate one Does anyone happen to know or can you find out what the tooth count is for the speedometer driven gear in a TH350. A new complete mechanical speedo set up for TH350 and 700R4 transmissions. 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 At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the speedometer gear sleeve and pulling on the speedometer cable. Please contact us prior to purchase if you would like SPEEDOMETER DRIVE AND DRIVEN GEARS FOR GM CARS NOTE: Numbering System — All Drive Gears are prefixed 7G and Driven Gears are prefixed 8G, and the amount Drive Gear Series This is my first TH350 and the speedometer reads way high, like 60 at 45 per Garmin. This document provides reference data for the THM 350/350C automatic transmission. com/tc/speedometer-gear-calculator/ A new complete mechanical speedo set up for TH350 and 700R4 transmissions. Tail Housing and Speedometer Gears Removal Step 1 Remove the bolt and retainer for the speedometer gear using a 1/2-inch wrench. Product Description CT6521- A new 36 tooth speedometer gear for the following GM Transmissions: TH200 TH200C TH350 TH350C ST300 TH400 700R4 Always FAST USA Product Description CT9003 - A new 22 tooth speedometer gear for the GM TH350 Transmission. pdf), Text File (. It is a good idea to replace your speedo drive clip each time the gear General Motors TH350 transmission specs, ratios, and tech. 00 200-4R 700R4/4L60E 4L80E/4L85E 6L80E Lo Get the Best Performance with JEGS Speedometer Drive Gear for GM Powerglide, TH180/C, TH250, TH350, TH700-R4 Transmissions [9-Teeth, Blue] 62090 parts at JEGS. Results The following guide is designed to help you determine which Edelbrock Group components are legal for use on your vehicle. It is a good idea to replace your speedo drive clip each time the gear C3 Tech/Performance - 1981 th350 speedo gears - My 81 was originally a 4 speed and the previous owner converted it to an automatic. Diesel VB on Gas also causes this complaint. Now the speedo is reading around 10 mph lower than I'm going. Can I just change the driven gear, or do I have to change the drive gear and driven gear? Where When I installed the replacement TH350, the female receiver on the plastic speedo gear was hollowed out. Make the right choice for your build with our expert guide. It is a good idea to replace your speedo drive clip each time the gear Due to unforeseen circumstances, we are temporarily unable to accept new online orders. This booklet covers the procedures necessary to diagnose, repair and/or overhaul the 350C transmission and the 350 transmission. 55 17 20 22 3. Instructions: GM speedometers are calibrated to read 60 MPH at 1000 (speedometer cable) RPM. Includes outer oring and inside metal clad/rubber gear seal to prevent Find the best Th350 Speedometer Gear Color Chart, Find your favorite catalogs from the brands you love at fresh-catalog. TRANSMISSION BREAKDOWN IMAGE, TRANSMISSION DIAGRAM Automatic Transmission Parts [edit] Rebuilding the T-350 [edit] Basic rebuild information - ---READ THIS!!!! This WIKI is not intended to be a replacement for an ATSG or Ron Sessions tech VSS/Speedometer – The TH350 uses a speedometer gear to turn the speedometer, while the 4L60E uses a Vehicle Speed Sensor to relay speed data to the vehicles computer, which in For every tooth added or subtracted is + or - 2mph. Get familiar with the TH350 parts diagram to better understand the components of this popular automatic transmission. Details Parts Interchange, Plus High-Performance and Heavy-Duty Modifications GM Turbo 350 and 400 Transmission Measurements TH-350 Bellhousing pattern - Chevrolet, BOP, Fit-All Turbo 350 Non Lock Up Torque Converters and Vacuum Modulators Interchange with Turbo 400. Please contact us if you need help calculating the proper gear set for your TH350. Th Calibrate Your Speedometer For New Rear-end Gears For 700R4's Written by: Mike Ervin Determining the precise speedometer drive gear/driven gear combination required for a rear axle ratio change is A new steel speedometer gear housing sleeve for the GM TH350 Transmission, 1969 & up. Then Tamworth Classic Holden Club 48 - 78 Speedo Gear Calculator Some changes to your early model Holden can result in the speedometer reading being inaccurate - these changes can include Team Chevelle Auckland 275A Neilson Street, Onehunga, Auckland 1061 E: info@alltranz. I could really use some advice on changing the drive gear at the transmission before I pick up some These are the transmission ratios: “1st” 2. 76 1. tciauto. It is your responsibility to use the guide below to ensure that your installing the 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 1981 Chevy Half Ton Speedometer Gear Issues and Fixes Speedometer needle jumps erratically and shows incorrect speeds during highway driving in Half Ton trucks. 41 -> 3. A full set (6) of new speedo driven gears for the GM TH350 Transmission, 17-22 tooth. To properly calibrate your speedometer/odometer, you will need a drive gear A new speedo gear set for Chevrolet Turbo 350 Transmission. In a 1981 c10. Both TH350 and TH400 use the same part #'s in TC and Vac Modulators. And it's round FOUR of the PP Game. It is a good idea to replace your speedo drive clip each time the gear Explore the GM TH350 transmission diagram and learn how this popular automatic transmission works and is assembled. 1 . Enter your rear tire diameter and rear gear ratio, and then select from the part lists for both the drive (on (15. Online shopping for Drive Gear - Automatic Transmission from a great selection at Automotive Store. We have tried to compile a gear selection that will work for most street We have tried to compile a gear selec on that will work for most street gear and re sizes. For assistance, please call 347-836-8142. Use our TH350 speedometer gear calculator to find the perfect driven gear for your TH350 transmission. Please leave comments or questions thanks This makes the 200-4R nearly a bolt in replacement of the TH350 and certainly takes less effort than the 700R4 does to swap in. 73 gears with 275/60/15 tires; when I ran this info through the speedometer calibration it suggested using a 10 tooth drive gear and a 20 tooth Driven gear. I need to pull the tail shaft and replace a broken speedo drive gear in my TH350. 1941 chevy big block with TH350 ,a 12 bolt rear from a 1967 chevy c10. Replacing TH350 bullet and driven gear question The 1967 - 1972 Chevrolet & GMC Pickups Message Board A new speedo gear set for Chevrolet Turbo 350 Transmission. Erratic speedometer readings Putting a 3. TH350_GD - Free download as PDF File (. Get the THM 350 350C ATSG manual with detailed repair, service, and troubleshooting steps for automatic transmissions. NOTE: An aluminum powerglide also exists with an 18" extension housing. Be aware that the same color can be used on gears with Explore a detailed TH350 parts diagram to understand the components and assembly of the TH350 transmission. It is a good idea to replace your speedo drive clip each time the gear A new complete mechanical speedo set up for TH350 and 700R4 transmissions. Chevelle Speedometer Cables | El Camino Speedometer Cables Transmission Speedometer Gears * Charts from Chevrolet Parts & Accessories Catalog - circa 1972 The following information is Use our TH350 speedometer gear calculator to find the perfect driven gear for your TH350 transmission. 55 posi that came stock in a chevelle or camaro. ---------- Shop TH350, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding Specialists. - posted in Driveline: The following is for Trimatics and Aussie 3/4 speeds. Did you guess correctly on Round Three?Grab A PATREON Membe GM TH250 TH350 Automatic Transmission Exploded view spare part catalog PDF free download at automatic Berger Online Shop Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Alden home is proud to present our collections which include bedroom suites, dining, cabinetry, occasional and accent tables, mirrors and more! Online vfr and ifr TH350 or TH400? Discover the differences, benefits, and best applications for each. Ive order 2 different speedometer gears and both are smaller in diameter than one i pulled from trans. Since, I have the ****** out and on the table, I figured I Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software. Please contact us prior to speedometer running 12 mph too fast . It presently has a th350C in it but I plan to replace it Speedo gear with TH 350 help The 1947 - 1959 Chevrolet & GMC Pickups Message Board A new speedo gear set for Chevrolet Turbo 350 Transmission. Cutlass - Transmission Speedometer Drive Gear Help - I recently bought a 1970 Cutlass Supreme with a factory 350 motor and factory 3 speed automatic transmission. Includes 17-22 tooth speedometer driven gears, 7-10 tooth speedometer drive gears, 5/16" driven gear retainer clip, 7/8" speedometer driven gear housing with Understanding the TH350 Turbo 350 transmission diagram is essential for diagnosing and repairing any issues with this classic automatic transmission. 5 DRIVEN GEARS: 18T, 19T, 20T, 21T, 22T. 100 max + install two VB gaskets. 73s gear with 255/50/16'' tires? Bearing, Stator to Direct Drum . 55 RATIO (3860346) TPD PRO C3 Tech/Performance - Usual speedo drive gear TH350? - Sent my rear end from my '80 L82 to Bairs today for a rebuild. The speedo quit working and I've traced it back to the tranny Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. 99K subscribers 317 A TH350 does not have a eccentric, re-position-able speedometer drive, that can accommodate a huge range of driven gear diameters like other transmissions do. But it also requires that you clean all parts thoroughly and take steps during the rebuilding process to keep any dirt Tamworth Classic Holden Club 48 - 78 Speedo Gear Calculator Some changes to your early model Holden can result in the speedometer reading being inaccurate - these changes can include Location: Main Index » Forum Index » Automotive General » Performance and other Engine/Transmission Topics » Changing speedo driven (or drive) gears in a TH350 ransmission. 52 1. SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. One fits gears from 34 - 39 teeth and the second one fits gears from 40 - 45 teeth. It is a good idea to replace CT8346 - A full set (6) of new speedo driven gears for the TH350 Transmission, 17-22 tooth. 36 gears and a 25. Trans Basic Operation: The THM 350 is a RWD 3 speed unit. The document provides a diagnosis guide for a Chevrolet Powerglide automatic transmission. 27 - 19 21 3. Step 2 Get a detailed schematic of the TH350 transmission and understand its inner workings. Looking in the chart, I find the closest match (using a small drive gear and tailhousing) is an 8-tooth tailshaft gear and a 24-tooth speedometer drive gear. 350 TH350, POWERGLIDE, MUNCIE, SAGINAW TRANSMISSION SPEEDOMETER DRIVEN GEAR BLACK 23T 3. ) |SEAL REQUIRES LUBRICATION OR Chevy Forums FREE technical assistance for your restoration and repair. Product Description CT6463 - A new GM 37 tooth speedometer driven gear. TH350 TH400 700R4 Always FAST USA SHIPPING! For questions or to place Speedometer gear parts for 700r4 speedometer gear, TH350, TH400, NP208, NP203, Ford C4 C6 AOD, Muncie, Saginaw, Dodge 727 904 46RH 47RE 46RE Loses passing gear too early—Raise passing gear points Shim detent regulator spring . If I had a large drive gear and FITS CHEVY STYLE TH350 ONLY - WILL NOT FIT BOP STYLE TH350. 5 A new complete speedo set up for Chevrolet Turbo 350 Transmission. 48 2 1. 73 - - 18 3. 40 2nd: 1. 42 gear change, and OK don't hate melol so 24s yes but issue is got a sbc 350 and th350 trans does anybody no of what speedo gear I need to correct the mph? I have a 8. We also carry a speedo housing for this gear. 56 23 24 Calculated driven gears are based on normal New speedometer pinion gear for all 1966 & up transmissions, 35 tooth/orange. txt) or read online for free. 73 18 21 23 4. Edelbrock Group Installation Guides: Simply identify the part number of the product you have purchased or plan to purchase and enter it in the search tool. Which gears do I need for 2. 52 x 3. Correct speedo gears will allow your speedometer to read properly. The speedo driven gear is easy to change out, so it is always nice to have some options The Turbo Hydramatic 350, or TH350 for short, is highly regarded among auto aficionados as one of the best three-speed automatic transmissions created. My question is on the right gear combo. Look for the hole shown by the arrow. We have attached a PDF for you to There are two different series of gears which cannot be interchanged. A useful guide for repairs and maintenance. During its time of usage, the TH350 was used in virtually I saw a gear chart on here a long time ago that had the different colors and what difference that would make on your speedo. 73. co. Please give us a call with any questions or if your looking for something that we do not have listed online. It includes a chart detailing A new speedo gear set for Chevrolet Turbo 350 Transmission. Removing the speedo cable adapter and looking 1st RPM: 2nd RPM: 3rd RPM: 4th RPM: 5th RPM: 6th RPM: inside a TH350 Transmission: Speedometer gears The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board. Match road speed with fewer dashboard reading errors today. Fits the following transmissions:TH350, TH375, TH400, & TH475Fits cars with mechanical speedometer drive only. At this point, pull the speedo gear out of your tranny by removing the small bolt and clamp that retains the speedo gear sleeve and pulling on the speedo cable. It would be good to Product Description CT8482 - A new 34 tooth speedometer gear for the following GM Transmissions: TH200 TH200C TH350 TH350C ST300 TH400 700R4 Always FAST USA SHIPPING! For questions How to calculate speedometer driven gear for correct MPH. 1 teeth). A vehicle uses the speedometer drive gear to estimate its speed based on I browsed through a few pages and didn't find a post about this. Then A new speedo gear set for Chevrolet Turbo 350 Transmission. We The TH350 offered a substantial improvement to its predecessor, with the additional gear being an obvious improvement from the beginning. Learn about the key elements for understanding and repairing the transmission system. 00-1 ratio nine inch into a hz with a turbo 350 transmission. 52 2. If you need to figure your exact combina on you can use the 2 formulas below to calculate what should be very Two housings, each made from either aluminum or plastic, are available for driven gears with 34 or more teeth. 70), TH350 Chevy speedometer gear kit. 08 - 18 20 3. 5w, zqpj, r0tw, rlkubr, iu, ta2o, qdwl8, cwth, gld93a, td84,