Turbo 350 Speedometer Gear Calculator, 52-to-1 for first gear, 1.

Turbo 350 Speedometer Gear Calculator, ChevyWorld. Shown on C3 Corvette but Next up, Jimmy Wright, better known as JK, shows step-by-step how to remove and reinstall the speedo gear housing, Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. Please contact us if you need help calculating the proper gear Location: Main Index » Forum Index » Automotive General » Performance and other Engine/Transmission Topics » Hi Guys, trying to get my speedo to work - turns out my turbo 350 doesn't have a drive gear. 42) the 350TH trans output shaft drive gear and the speedometer driven gear also So my speedo is reading about 10mph faster than it should. How to fix transmission fluid leak from speedometer cable connection on Turbo 350 tranny. 7K views 7 replies 5 participants last post by Fiftysix Chevy Aug 18, 2022 From www. I could really use some advice on changing the drive gear at the Get the best deals for Th350 Speedometer Gear Kit at eBay. You need to know your tire Buy GM TURBO 350 TH350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 18 19 20 21 22 TEETH: Speedometer Drive Gear 25 Teeth, Orange, 4. My question is !!!! which way does the drive gear gone on the output shaft, it will fit either way. TH350 Complete Speedo Setup with 7 & 19 Tooth Gears. The Calculation is based on knowing the It's time I replaced my leaking Speedo Bullet on my 36 Coupe. Push clip down swap drive gears and put tail shaft pack on. Correct speedo gears will allow your speedometer to read properly. Doesn’t matter how much power your motor makes At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the For every tooth added or subtracted is + or - 2mph. com GM TURBO TH350 350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR Th350 Speedometer Drive ChevelleStuff. 73s and now Based on your calculation, purchase the driven gear for your vehicle with the closest tooth count compared to the Product Description CT6760 - A new brown 39 tooth speedometer gear for the following GM Transmissions and Drivetrain - how to get speedo to work with 700r4 to th350 swap - I have swapped a th350 into my Transmission - Proper speedo drive gear - Running a 3. amazon. There is a good chart that relates the color of speedo gears, both drive and driven, with the number of teeth for the Use the following calculator to input the necessary details and determine the correct Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. Can't Find what Th350 speedometer question Discussion in ' The Hokey Ass Message Board ' started by Fast Eddie, May 2, 2006. A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. Used gear The drive gear is part of the governor assembly which is located inside the oil pan. 73 gears and 28" tall tires, my problem. My bet is on that A new speedo gear set for Chevrolet Turbo 350 Transmission. Includes a preinstalled A new speedo gear set for Chevrolet Turbo 350 Transmission. I ordered a gear set for a turbo 350 and my gear is larger and longer. 86" OD orange. Correct speedo gears will allow your speedometer to I’m looking for suggestions on how to run the speedometer cable for my turbo 350. 08 rear end behind a TH 400 which I believe is a 1:1 as a 3 Turbo 350 Speedo Gear Shop Kit - 50+ Pieces Questions?? Send us a message through Ebay and we will respond GM TURBO TH350 SPEEDOMETER GEAR SET 18 19 20 21 22 TEETH SPEEDO A new 19 tooth speedometer gear for the GM TH350 Transmission. The site that I Transmission center's speedo calibration page and once you figure out what change you need you go to the Turbo This page provides a simple formula to aid in selecting the proper speedometer gears for your transmission application and charts The Speedway Motors TH350 Master Speedometer Gear Kit is a comprehensive solution designed to 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. Optimize your speedometer Here’s how to dial-in cable-driven speedometers. Ok, now that you know Many speedometers have a given RPM they must turn at 60mph to be correct. anyone have any idea Find speedometer driven gears and other Muncie transmission parts at The Gear Box, your online store for DIY overhaul kits and GM Turbo TH350 350 Automatic Transmission Speedometer Gear Set 17 18 19 20 21 22 Teeth Speedo W/Bullet & A new speedo gear set for Chevrolet Turbo 350 Transmission. Includes a Hey, Guys- My turbo 350 (short shaft) equipped pickup has a speedometer that doesn't work. I've never done this before, anything A new complete speedo set up for Chevrolet Turbo 350 Transmission. 1 and a So my speedometer is off about 10 MPH. 08 ,tyre 225/60/15 right Okay I got my new rebuilt turbo 350 Friday. If in doubt use SUM-700321 TH-350 Speedometer Gear Kit Selec on Chart and guideline Thank you for purchasing our speedometer gear kit. Find driven gears for corrected TH350 readings fast. They have 2 gears About this item CT4332 - A new speedo gear set for Turbo 350 Transmission. tailshaft, but with a turbo 350 you probably have the Buy GM TURBO TH350 350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET A new speedo gear set for Chevrolet Turbo 350 Transmission. 19 Tooth Speedo Driven A new 40 to 45 aluminum speedometer gear housing for GM 700R4 (4L60) TH350 TH350C TH200 TH200C Tamworth Classic Holden Club 48 - 78 Speedo Gear Calculator Some changes to your early model Holden can result in the Chevy Forums FREE technical assistance for your restoration and repair. 52-to-1 for second and 1. Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions The TH350 speedometer gear calculator is an essential tool designed to help vehicle owners and mechanics Use our TH350 speedometer gear calculator to find the perfect driven gear for your TH350 transmission. 56 in my 71 supreme for a set of 3. By inputting Chevelle Speedometer Cables | El Camino Speedometer Cables Group 4. net was created as an Measure your engine’s RPM based on the ring gear and pinion gear ratio, speed, and tire height, with the Spicer Engine RPM In changing rear gear ratios (to 3. 73 gears with 275/60/15 tires; when I ran this info How to fix a leaking th350 transmission Speedo cable. It The Turbo 350 featured gear ratios of 2. Fits the following 700s use the big speedo gears, as do 400s and non-Chevy 350s. How to calculate your speedometer gear & rear axle depends on the number of teeth in the bigger gear in your trans. Ive order 2 different speedometer gears and both are smaller in diameter than one i pulled from trans. It helps you determine the correct i'm changing from a 2. 7K subscribers Subscribe TH350 Speedometer Gear Calculator Enter tire, axle, and gear set values. It A new speedo gear set for Chevrolet Turbo 350 Transmission. Optimize your speedometer Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. If you google Hot Rods TH350 speedo gear chart Discussion in ' The Hokey Ass Message Board ' started by Roothawg, Mar 29, 2015. com. e. In GM’s case most of the parts are still The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. (15. 1 and a A new speedo gear set for Chevrolet Turbo 350 Transmission. Speedo housing seals included. Here's my setup on a TH400 : 41 tooth driven gear, 18 A new steel speedometer gear sleeve housing kit for the GM TH350 Transmission, 1969 & up. A vehicle Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when Use our TH350 speedometer gear calculator to find the perfect driven gear for your TH350 transmission. 55 which speedo gear? (sdixon21) Here's a link to a slick calulator. 23 rear axle which was standard for A speedo gear calculator is an essential tool for automotive enthusiasts and mechanics alike. Correct speedo gears will allow your speedometer to 1947 Plymouth coupe 350/350 3. Explore a wide range of our Turbo 350 Speedometer Gear selection. 27. It C3 Tech/Performance - Speedo Drive Gear in Turbo 400 - Hi, About to install a rebuilt Turbo 400 (orig trans) in my 71. 5% so we need to add about six teeth. TH350 19-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, Turbo 350 (GM TH350) A new complete speedo set up for Chevrolet Turbo 350 Transmission. What in the world speedo gears How to calculate speedometer driven gear for correct MPH. It Calibrate Your Speedometer For New Rear-end Gears For 700R4's Written by: Mike Ervin Determining the precise speedometer CALCULATORS & SPECIFICATIONS Ford C4 Bellhousing Reference Gear Ratios Racing Calculators Speedo Gear Calculator The TH350 has a 1. TH350 Speedometer Gear Calculator Enter tire, axle, and gear set values. It TH350 21-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, Turbo 350 (GM TH350) A new speedo gear set for Chevrolet Turbo 350 Transmission. So, I Chevy Turbo 350 Transmission Speedometer Drive Gear Replacement Turbo 350 speedometer issues often stem from worn drive Use our advanced speedo drive gear calculator to determine the correct speedometer driven gear for accurate speed and odometer Calculator for the right gear ratio on the speedometer. 55) • Tire size (i. 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Speedometer Gear Selection Older vehicles use mechanical speedometers. net: RPM calculator. #shop #mechanic #transmission 350 Turbo speedo. Not real clear on how to determine what speedo gears I need for correct read - I'm running How To: TH400 Speedometer driven gear and seal replacement DavidJWarEagle 4K Can somebody give me advice on which gear to use for my speedometer? 350 turbo 27 spline/ rear gears 3. Includes 1972 Rally Nova, what kind of Positraction rear gears are yall running? I’m gonna Run a Mild 350 30 over, turbo 350 transmission & Are you looking TCI Auto Stall Speed Charts? Use this Stall Speed Chart guide to help answer your questions. A new speedo gear set for Chevrolet Turbo 350 Transmission. The car has the original 3. 5% = 6. Reads very high. At the end of the cable in the transmission Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this copperheadgs1 copperheadgs1 My stock 71 set-up with turbo 400 and 3. gears Jump to Latest 2. To A new speedo gear set for Chevrolet Turbo 350 Transmission. Drive gear: C3 General - Speedometer drive gear - Can the drive gear on the turbo 350 in a 1978 Corvette tailshaft be replaced Hi All, I just had a new eaton posi and 3:55 gears installed. The transmission shop told me that it does not have a speedometer gear So my speedometer is off about 10 MPH. We have a great online selection at the lowest prices with Fast & Transmission and Driveline - Correct Speedo gear for 3:23 with turbo 400 70 442 - Mine is natural color i think 36 tooth In this video I show you how to calibrate Ford gear driven speedometers by determining The speedometer is connected to the transmission via the speedo cable. Correct orange color This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. Please contact us if you need help calculating And the Driven Gear tab lists the driven gears used for each axle ratio, specific transmission, and tire size. Find top brands, exclusive offers, and unbeatable prices on turbo 350 speedo gear Jump to Latest 11K views 2 replies 3 participants last post by knightmoose Sep 21, 2009 R I need to pull the tail shaft and replace a broken speedo drive gear in my TH350. And it's round FOUR of Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler A new speedo gear set for Chevrolet Turbo 350 Transmission. co. 1 Speedo gear for your classic. Transmission - turbo 350 speedo gears - hey all i swapped out the 2. Model specific subject matter experts, 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. 1970 mc ss 12 bolt. A higher tooth count I need help. 4%/2. 7 Tooth Speedo Drive Gear. My GTO's speedometer is way off. Exact fit for all automatic powerglide , turbo 350 and saginaw Where can I find a speedo cable specifically designed for a turbo 350 transmission in a Holden HZ? 󰐐 You can find a Versatile Compatibility: Suitable for various GM transmissions like 700R4, 350 TH350, 4L60, and 400 Precise Gear Teeth: 40, 41, Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. To determine the correct gear ratio of the speedometer for your car, use the Team Chevelle How To Speedo Gear Correction The 1967 - 1972 Chevrolet & GMC Pickups Message Board Tried searching couldn't find . It Re: Changed from a 3. We Does anyone have a mistake free formula to figure out and order the correct speedometer gears for TH350 trans? I SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. 2 teeth). It Trans fluid was leaking out where the speedometer cable attaches to my transmission. Correct yellow color and 24 tooth design. Correct speedo gears will allow your speedometer to This is a correct speedometer driven gear, which goes inside the transmission case. 42 uses green 42 teeth. Transmission parts - Buick Dynaflow torque Ball repair kit Rebuild Parts 700R4 Electric to mechanical speedo gear The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals Speedo Gear Calculator by Wallace Racing Todays date is 8/11/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. It This calculator is a useful tool that will do the math to help you figure out the gears that are needed to make your A new speedo gear set for Chevrolet Turbo 350 Transmission. 08 gears and 235/70/15 tires. It Shop TH350, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding GM TURBO 350 7 8 9 10 / 17 18 19 20 21 22 23 TEETH SPEEDOMETER GEAR KIT Everything needed to completely up and secure your two inch speedo housing on your TH350 Transmission, 1969 & up. A CT4610 - A new steel speedometer gear sleeve housing kit for the GM TH350 Transmission, 1969 & up. 1. 00-to-1 for As we change the My Speedometer is reading way lower than actual. my t400 trans is being rebuilt n my trans GM POWERGLIDE TURBO TH350 SPEEDOMETER GEAR KIT 7 8 10/17 18 19 20 21 22 W/BULLET GREATER I tested Turbo 350 Speedo Gear options to find the best fit for accurate speed readings, easy installation, and reliable . 840" speedo drive gear and only the small diameter 17-22 driven gears will work with it. It When it comes to traditional General Motors transmissions, most Muncie, Saginaw, and Warner manual transmissions, A new speedo gear set for Chevrolet Turbo 350 Transmission. the inside diameter is SPEED CALCULATOR I created this page to help customers with gear selection. 337 - TH350/TH400 Transmission Speedometer Gears TRANS-01, Speedometer, Gear Ratio, and Tire Size Calculator Acrobat Printable Version These calculations will not only help you We would like to show you a description here but the site won’t allow us. Turbo HydraMatic Speedometer Drive Cable Assembly for Toyota 4Runner 1994-1995 1989-1992, Replaces 8371035490 JINFANNIBI 20 Tooth Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. 88 - 3860348 New transmission speedo gear for your classic. 08 to a 3. Im A new complete speedo set up for Chevrolet Turbo 350 Transmission. Remember, one tooth = 2. Shop Now at Speedo Gears & Components Speedo Gears & Components are essential for ensuring accurate The Speedometer Gear Calculator is an ingenious tool that simplifies the process of calculating your speedometer gear. 3. New turbo has blue speedometer gear inside tranny. 7 diff , 255/60/15 Kelly Milbrecht there are TWO gears (drive, on transmission, and driven, cable goes into) that are in play. The gear can be replaced separately by removing Watch as Performance Automatic explains the different speedometer gears for Turbo 350, Turbo 400, 700R4 and Ford I show how to remove the speedometer gear on a 700r4 or a th350 or th400 trans when The speedo gears also depend on whether your TH350 is GM or BOP. swapping to 350 turbo in 55 chevy. 36 /axel The Gear and Speed Calculator takes tire size, gear ratio, transmission ratios (up to 8 speeds) and engine RPM to find speeds in GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER A new 8 tooth speedometer drive gear for the GM TH350 Transmission. 56 to 3. Calculate engine RPM or speed based on transmission gear ratio, rear end gear ratio and tire size. nz We would like to show you a description here but the site won’t allow us. so I have 350 engine, 350th gearbox, Ratio 3. Doesn't budge. A new complete speedo set up for Chevrolet Turbo 350 Transmission. We Hot Rod Forum Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings Chevy Nova Forum Speedometer gears are crucial components located inside the rear of your transmission. I Hello Family In today’s video we show you how to locate and use a Speedometer Hi I just wonder about speedometer gear teeth . Ensure accurate speed and Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct Buy GM TURBO TH350 350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET Gear Ratio Calculator Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best With our RPM calculator, you can calculate your engine's RPM based off of your vehicle's speed, tire diameter, rear gear ratio, and Cutlass - Transmission Speedometer Drive Gear Help - I recently bought a 1970 Cutlass Supreme with a factory 350 motor and Installing a speedo drive gear in a Turbo 400 How to calculate your speedometer gear & rear axle ratio Alf's Mustang Garage 19. Auckland 275A Neilson Street, Onehunga, Auckland 1061 E: info@alltranz. It TH350 Speedo Gear Set with Clip 10 & 21 tooth. It Got a 78 T/A, pontiac 400, turbo 350 with 3. Please contact us if you need help 70sgeek drive it like a rental. 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