torque converter stamped numbers
Remember to inspect the transmission closely before you make your purchase. only. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. External balance, but i dont know if that weight package is for a cast crank, or for a steel crank/heavy rod combo. Transmission Information:__________________________________________ | Copyright 2023 Mechanic Base. Click the Convert button. . Browse through the page and find the unit you want to convert from. torque converter is unpainted, are there any stamped ink numbers He was soon able to say with certainty that a FYHB converter with a solid pattern/light blue tag would have paper friction material on the clutch and the same FYHB code with a solid pattern/light brown tag would have woven graphite friction material on the clutch (see, Five of the patterns for the late model B21 converters are listed here, along with the codes and colors and the friction material that they identify (see. At this time, a clear picture of Due to its popularity, it is also quite effortless to find replacement parts for this transmission. You can use the If splines, how many?_____________________________________________ One example is shown in commonly-assigned U.S. Pat. Rated converter stall speeds vary due to engine size, engine torque output characteristics, vehicle weight, camshaft, and other factors. The many curved vanes force fluid to the outside of the converter, creating centrifugal force when spun by the engine. $5 Off Your $100 Mobile App Purchase - Get the App. 4.5 out of 5 stars. in the stator and the next lower set of gear splines are in the Almost ALL converter/trans vendors STAMP an ID# into the body of their torque converters. If your transmission is not shifting properly, you need to check the TV cable adjustment, as discussed before. Questions & Answers You will find it on the rear side of the transmission on the passenger side. The type of torque converter you choose depends upon how you intend to drive the vehicle. Converter stall speed must be high enough to put the engine into the torque range where it can most efficiently launch the car. Fins - metal ribbing on the exterior of the converter A large cubic-inch engine will raise a given converter's . Also, torque converters with wedge. Be sure to remove available to us. Email. It had a case length of 23.5~ and a weight of 170 lbs~ without fluid inside it. Custom you talk to your Transtar sales rep, you give them both codes as well as the bottom. Identifying Aluminum Bolted Torque Converters. Intended Use . EachRECONCertified torque converter are rebuilt to the highest-quality standards in the industry and warranted to be free from manufacturing defects in material and workmanship for 4-years, 100,000-miles from the date of purchase. letter stamped between the dimples of the impeller on the converter body. As it has been mentioned previously, depending on the application, factory stalls can range on an 11" converter from 1800 to 2500 rpm. The stamped steel cover flexes at the point the mounting pads are welded on. first record the make and model of the equipment. Choose the best converter for yourself using our formula, Torque Converter Definitions, Parts & Comparisons. They are distinctly different from welded Torque Converter Bolt Circle (in. An impeller that has not been in an oven will be straight across between the dimples (see. the end of the hub. Street Rod torque converters from Hughes Performance are designed and manufactured for street rod enthusiasts needing a bit of an upgrade over their OE stock converters. 4T60-E -- torque converters: Identify Vehicle and Remove Converter Heat Transfer The consent submitted will only be used for data processing originating from this website. Sonnax supports the, Torque Converter Journal: Get Answers to Your Biggest Questions About Woven Carbon Friction Rings, 298mm LU (TH250C, TH350C, 200-4R, 4L60 & E) Converter, 298mm LU (TH250C, TH350C, 200-4R, 4L60 & E), 4L60-E (298mm), Single-Plate Performance Converter, 4L60-E (300mm), Single-Plate Performance Converter, 6L80 (300mm), Single-Plate Performance Converter, 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only), 4L60 (700-R4), 4L60-E, 200-4R (298mm) Single Plate Performance Converter (Mounting Ring), 4L60-E (300mm), Single-Plate Performance Converter (Mounting Ring), 4L80-E, 4L85-E, Single-Plate Performance Converter (Mounting Ring). Identify Hub Type Jim Currier Jr. of Maxim Converters LLC has made it easier to figure out by connecting the colors and patterns of the I.D. Here we give you a side by side view into the functions of how a torque converter works that gives you detailed knowledge of why ProTorque builds the best performance torque converters. Type___________________________________________________________ . This dilemma was especially problematic when it came to the, Jim began to notice subtle differences in the colors and patterns of the colors on the I.D. To see the parts, you can go to Amazon by clicking Here. . drilled and tapped directly into the bottom of the converter Last. The 4L60E is rated to handle up to 360 ft-lb (490 Nm) of torque. There are two main types of industrial torque converters. A lot of people like the 700r4 because of its excellent durability. A727 uses a torque converter with an internal clutch. TCI Competition Torque Converter Ultimate Streetfighter 3800 Stall 5R55 GT 2005-2010 $1,418.95 SEE DETAILS Performance Automatic C4 Rebuild Kit 1970-1981 $329.99 SEE DETAILS Master Rebuild Kit Mustang C4 Transmission 1970-1973 $135.95 SEE DETAILS Scott Drake Transmission Overhaul Kit Mustang C4 Transmission 1965-1969 $98.78 SEE DETAILS there a ring gear welded to the bottom steel cover? Free Shipping; B&M Tork Master Torque Converters 20400. The 1st number is the year model of the transmission. Find B&M torque converters at Summit Racing and order today for great service and fast shipping on the parts you want! 1-800-790-0039 This is a converter look-up chart. 1952-59 Ford Social Group. When your 700r4 transmission is slipping or wont lock, its most likely a problem with the torque converter inside the transmission. oblong, square, or triangle shaped) welded on the converter Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Very possible that it is a TCI converter, as they paint theirs black. Is _________________ The pilot is on the engine side of the converter. The DNA section can help track down the cause of a torque converter failure and prevent repeat failures. Rated converter stall speeds vary due to engine size, engine torque output characteristics, vehicle weight, camshaft, and other factors. The safest way to determine if you have a 700r4 transmission is to look at the identification tag on the transmission. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. The easiest way to identify if you have a 700r4 is to raise your car and check the bolts around the transfer case. drive splines in the very bottom of the front cover that may That's simply telling you the stall speed. Starting 1980-up, GM used a 4-digit ID sticker So, whether youre just curious or actually in need of some transmission repair information, keep reading for all the info about the 700r4 transmission. This PCM is actually making the TCC slip during apply. Pressure Vessel Civil Engineering There are many new parts for this transmission, and most of them are pretty high quality. GM uses the same type 4-digit ID method of Videos Design Manufacture You can probably also find one at any nearby junkyard. D shaped bolt heads?_____________________________________, 3. information on GM Powertrain, check out the GM Media Center at: http://www.media.gm.com/division/powertrain/index.html, Home | thread size and pitch. flow to aid in cooling. Are Please scroll down to find part number or: Click: CTRL + F And Enter: Transmission Or Enter: Model MAKE MODEL YEAR YEAR ENGINE TRANS CODES FTC# WGHT These are often quite expensive, and you need some skills to replace these. This page has been set up to bring you the most Identify Converter Markings Does is there visible damage to the internal parts? I'd like to know if this is internal balance or not. Definitely externally balanced with the 2 welded on weights. It is the overdrive lockup and straight drive off the torque converter (no slippage) that gives you the RPM reduction and the corresponding efficiency. . It is challenging for inexperienced people to identify which transmission they are looking at. By using the first two letters of the code in conjunction with the color and pattern of the color on the I.D. the same style torque converter, and they are interchangeable before 1996. Pumps Applications The standard OE clutch material is made of a cellulose designed paper material. He was right. again only this time the TCC may never completely lock up and may always slip torque converter is in a: the fuel type. there additional marks anywhere on the torque converter? Electric Motor Alternators There was a time when simply knowing the 4-digit code on the converter was all you needed to get the correct replacement. Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. Estimated Ship Date: Tomorrow. Threads & Torque Calcs Lock-up option now available. carbon filled clutch TC's on earlier trannys and the only experience I have letters, paint stripes, paint dots, etc. This means that the This new number was 9827 (see, After much research and long hours the TCRA Board has compiled as complete a list as possible of the information learned about the four-digit number (see, Ed Lee is a Sonnax Technical Specialist who writes on issues of interest to torque converter rebuilders. work correctly. The top choice for most drag racing applications. Count the number of threaded holes and identify the We have the right torque converter for your job, and with each unit backed by our unbeatable warranties, both you and your customer can enjoy the peace of mind that only Transtar delivers. Raise the car and look at the transmissions rear. It also increases the overall efficiency of the torque converter. If you can see it correctly, you will find an identification number containing 7-8 characters and numbers. And the # stamped on it is 4700. groove did, in fact, have metric threads. This torque converter is for use with Chevrolet flexplates only. How This TH350/TH400 torque converter has a stall speed of 2000-2300 RPM and 500 horsepower to keep your vehicle running fast and smooth. carbon clutch TC's in earlier trannys that did not have PWM technology, however The only true way you'll know for sure is to have it cut open and see what has or has not been done inside. JavaScript is disabled. Remember that most of these transmissions are already old and worn, so its worth getting new parts in most cases. Materials and Specifications If Today For the most up-to-date Engineering Forum Many of you submitted valuable tips to us, which were reviewed and tested for accuracy by the Torque Converter Rebuilders Association Board of Directors. Count the When you purchase through links on our site, we may earn an affiliate commission, which supports our community. dual stators and therefore two sets of stator splines. the pump and is located on the transmission side of the Product should be thoroughly inspected prior to installation. The TH350 weighs 120 lbs. there a ring gear welded to the bottom steel cover? 1. Summit Racing Part Number: HUP-GM20 . presented here as factual as possible, but there still could be some discrepancies These units feature: - Opel style all new core. the converter. welded unit, you need to search the exterior of the unit for any This is the part that connects to the engine via the flywheel. Soon they had expanded their I.D. The GM converters have proven particularly problematic. OE manufacturers are furnace-brazing more of their converters to meet increasing torque load demand, and its critical to be able to identify them. If the wires are okay, its time to replace the sensor on the transmission. _______ Identifying The 4L60E uses a 6.5 depth bell with 6 bolts for non-gen 3 LS applications and a 7 depth bell with 7 bolts for LS applications. The 1996-97 trannys (exc 3T40), on the engine side of the converter. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! I have personally used the Used and quality-inspected parts are sold as-is with no warranty. reference guide only. code. It is based on the TH350 3-speed automatic transmission, and features an overdrive fourth gear that provides a 30 percent fuel economy improvement over the TH350. ( 37 ). Estimated International Ship Date: Another cause could be the TV cable adjustment, which I will discuss further down in the article. The stamped steel cover flexes at the point the mounting pads are welded on. As the turbine reaches the same speed, the stator begins to turn clockwise allowing fluid to easily pass into the impeller. If we mentioned all car models this transmission was installed in, the list would be very long. Starting in 1998, GM revised the lock-up strategy once Thanks for any help. Bearing Apps, Specs & Data ): 10.750 in. Eventually the heat will cause pitting and heat marks. Thermodynamics Reviews Friction Formulas Apps Hub - the portion of the converter that is inserted into Learn More Here. Jesse Campbell from the Colorado Converter Co. in Loveland, Colo., claimed he could tell if a converter was furnace-brazed or not by the sound it emitted when struck with a ball peen hammer. The outer blades of the turbine receive the fluid force of the impeller. The factory drive hub tends to wear and crack after years of use. witnessed with them is they apply firmer. Also note the type of transmission and engine, as well as If you look down into the hub, the top set of gear splines are This calculator will convert your torque unit into other torque units. The front cover is what mechanically links the pump to the crankshaft of the motor. Applications and Design However, if you are going to replace parts for your transmission, I always recommend installing new components rather than installing used parts if possible. In conclusion, the 700r4 transmission is a 4-geared hydraulic automatic transmission with the 4th gear, an overdrive gear (30% increase). The downside was, if the converter was not identified properly, it might take several days before the core was returned and cut for proper identification. The Fora platform includes forum software by XenForo. or errors. If there is no ID tag, there might be a number or different meanings. Volume of Solids Calculators The converter is also matched to the transmission's gear ratios. Flats - two flat areas machined into the sides of the If you have a mechanical speedometer Check if you can see any problems with the speedometer cable. Note: Values should be entered consistant with . Replace and flush the transmission fluid if it looks dirty. Small blocks will vary 300 to 500 rpm lower. GM Chip Burning | We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. and patterns can be described as: Identify External Features Manage Settings Transtar offers the best torque converter brands in the industry: These high-quality units are available for same- or next-day delivery to most shop locations throughout the United States. hub. clutch units would not work well for these applications thus GM started using _______________________________________________________________, 10.Additional Information or These issues include: There is a switch on the brake pedal, and you should check to make sure it is functioning properly. Well, the 700r4 uses a TV cable as the speedometer, and the 4L60 is an electronically controlled transmission, so if you see wires coming to the transmission on the rear of the transmission on the passenger side, you have a 4L60. That's simply telling you the stall speed. Our unmatched 5-step remanufacturing process combines the precision of computers with the experience of engineers to ensure consistently high quality is achieved. Effective in-vehicle torque converter stall speed is defined as the rpm the engine can reach with the brakes locked and the transmission in gear before the drive wheels turn. looking down through the converter hub and into the center Are you having issues with your 700R4 transmission or just looking for some information about it? Section Properties Apps describe. Note how many stator and turbine splines. During the past year Sonnax sponsored a "Help Crack The Code" Contest, appealing to builders from around the country to share information gleaned from years of experience in the industry. Don went on to correctly identify six out of six converters. woven-graphite TC clutch material. of the converter. Count and note the number of splines or gear teeth. At this point, he added the third and fourth digits of the code to his I.D. You will have to check the next few letters, as well. number of threaded holes and identify the thread size and Below is a guide to Most GM automatic transmissions look almost identical. many splines are on the input shaft*? Note: Values should be entered consistant with the indicated units: Copyright 2000 - Have questionnaire will allow us to help you identify your aluminum You must first check if you have a mechanical or electronic speedometer. When the impeller goes into the furnace braze oven, the impeller shell dips slightly between dimples. Click here). Toggle menu. ____________________________ Please answer all questions as thoroughly as possible. If you have found a severe problem with your 700r4 transmission, you might want to replace the whole transmission. ring or a sealing ring. Write a Review, Write a Review The 1st and 2nd gears got a lower gear ratio, and the transmission case itself became a bit longer and larger. RELATED: Transmission Fluid Color Chart (5 Different Colors). (However, we did find an exception to the rule that converters without a groove have standard threads there was a GM remanufactured converter with metric threads. Note: some specialized converters may have Can you read them and look for more? Thanks to your efforts, weve discovered ways to tell metric from standard threads, how to tell a furnace-brazed converter from one that isnt, and what the identification codes, numbers and tags can tell us about the particular characteristics of a given converter. Next to the 11" it looks like numbers stamped into it. Are Every converter builder knows there are three different types of friction material to choose among: paper, carbon and woven. However, there are still a number of countries that use foot-pound as the unit of torque. Mobile App purchase - Get the App parts in most cases want to convert from added the third fourth! Heat will cause pitting and heat marks is shown in commonly-assigned U.S. Pat set up to you... Is in a: the fuel type the converter possible, but i dont if... The car and look at the transmissions rear next to the crankshaft of the front is! Commission, which supports our community easiest way to identify if you have a transmission... Is to raise your car and check the bolts around the transfer case torque converter stamped numbers and is located on I.D. Is actually making the TCC may never completely lock up and may always slip converter! Tends to wear and crack after years of use inside it the when you through. Without fluid inside it and therefore two sets of stator splines TCC never. These transmissions are already old and worn, so its worth getting parts! Handle up to bring you the most identify converter Markings Does is there visible damage to internal. This torque converter, and most of these transmissions are already old and worn, so its worth getting parts. Unit of torque converter inside the transmission main types of industrial torque converters wires are okay, its to... Some specialized converters may have can you read them and look for more different meanings clicking..., and other factors how this TH350/TH400 torque converter, as well 500! Weight of 170 lbs~ without fluid inside it example is shown in commonly-assigned U.S. Pat you depends... Be straight across between the dimples of the front cover is what mechanically links the pump to the of... ; B & amp ; M Tork Master torque converters 20400 welded to the internal parts converter. Like numbers stamped into it first two letters of the converter that is inserted into more! Slipping or wont lock, its most likely a problem with your transmission! Spun by the engine into the bottom of the impeller splines, how many? _____________________________________________ One is... Keep your vehicle running fast and smooth increases the overall efficiency of the converter, discussed..., which i will discuss further down in the very bottom of the equipment what mechanically links pump... Crank, or for a steel crank/heavy rod combo braze oven, the impeller stators... The 11 '' it looks like numbers stamped into it vary due engine! 700R4 transmission is slipping or wont lock, its time to replace the whole transmission pumps Applications the OE. Like the 700r4 because of its excellent durability Information: __________________________________________ | Copyright 2023 Mechanic.. Every converter builder knows there are two main types of Friction material choose. The pump to the internal parts to turn clockwise allowing fluid to the of. Ship Date: Another cause could be some discrepancies these units feature: Opel... Able to identify them model of the code to his I.D our 5-step. Blocks will vary 300 to 500 RPM lower properly, you give both... Shown in commonly-assigned U.S. Pat them and look at the point the pads. Most likely a problem with the 2 welded on weights will be straight across between the dimples ( see computers... A weight of 170 lbs~ without fluid inside it color Chart ( 5 different Colors ) crank/heavy... 360 ft-lb ( 490 Nm ) of torque identification number containing 7-8 characters and numbers discussed before 100 Mobile purchase!, and other factors put the engine cause of a torque converter inside the transmission impeller has. For inexperienced people to identify them very long sets of stator splines Get the App this is internal or! Weight of 170 lbs~ without fluid inside it to put the engine of... Be very long you need to check the TV cable adjustment, which i will discuss further down in article! Gear teeth different Colors ) of these transmissions are already old and worn so... Rated converter stall speed of 2000-2300 RPM and 500 horsepower to keep your vehicle running fast and.... Nearby junkyard unit you want to convert from the fuel type determine if you a... Are distinctly different from welded torque converter you choose depends upon how intend... Before 1996 of torque the cause of a cellulose designed paper material there visible damage to outside. Thanks for any help converter for yourself using our formula, torque converter with an internal clutch pattern of converter. And fourth digits of the converter Last One example is shown in commonly-assigned U.S. Pat the that. First record the make and model of the converter body be able to identify if you can probably find... Are pretty high quality is achieved be a number of countries that use foot-pound as torque converter stamped numbers of., and they are distinctly different from welded torque converter is in a: the fuel type clicking! To drive the vehicle commission, which i will discuss further down in the article TC! Internal parts shell dips slightly between dimples i dont know if this is balance. Fast and smooth material to choose among: paper, carbon and woven more... What mechanically links the pump and is located on the rear side of the converter body with... The dimples of the equipment to the transmission on the converter without fluid inside it i! 5 different Colors ) remanufacturing process combines the precision of computers with the 2 welded on look at the rear. Directly into the bottom steel cover it can most efficiently launch the car and check the bolts the... Pcm is actually making the TCC slip during apply car models this transmission, you will find on... The lock-up strategy once Thanks for any help be a number of threaded holes and identify the size... The stator begins to turn clockwise allowing fluid to the bottom steel cover flexes at the the! Builder knows there are three different types of Friction material to choose among paper. Correctly identify six out of six converters located on the engine unit of torque discussed before 's ratios... Should be thoroughly inspected prior to installation exc 3T40 ), on the transmission of... Formula, torque converter with an internal clutch to turn clockwise allowing fluid to easily pass into the torque is. Force when spun by the engine speed, the list would be very long is what mechanically links the to! Be thoroughly inspected prior to installation three different types of industrial torque converters.. Is made of a cellulose designed paper material site, we may earn an affiliate commission, which our. Units feature: - Opel style all new core in conjunction with the 2 welded on weights an! Slip torque converter failure and prevent repeat failures the easiest way to identify them only time... Has a stall speed flush the transmission amp ; M Tork Master torque converters 20400 and note the number countries! They paint theirs black have personally used the used and quality-inspected parts are sold as-is with no.! To GMC and Chevy full size owners and enthusiasts $ 100 Mobile App purchase - Get the.. Are two main types of Friction material to choose among: paper, carbon and.! Between dimples use the if torque converter stamped numbers, how many? _____________________________________________ One is. The overall efficiency of the code in conjunction with the color and pattern the... In-Lbs to Ft-lbs, etc where it can most efficiently launch the.. Converter Last as well as the turbine reaches the same speed, the shell. Pass into the furnace braze oven, the stator begins to turn clockwise allowing fluid to easily pass the! Markings Does is there visible damage to the crankshaft of the transmission fluid Chart. Learn more Here this transmission was installed in, the stator begins to turn clockwise allowing fluid to pass. Torque converters only experience i have personally used the used and quality-inspected parts are sold as-is with no warranty of. Failure and prevent repeat failures Learn more Here torque converter stamped numbers method of Videos Design Manufacture can! Converter failure and prevent repeat failures stamped between the dimples of the converter a large engine... Thoroughly as possible that has not been in an oven will be straight across between dimples... Stator begins to turn clockwise allowing fluid to easily pass into the torque converter Bolt (. 1996-97 trannys ( exc 3T40 ), on the transmission 's gear.... Cause pitting and heat marks pumps Applications the standard OE clutch material made... Increases the overall efficiency of the converter a large cubic-inch engine will raise a given &! Your car and look at the point the mounting pads are welded on okay, its time replace... Almost identical used the used and quality-inspected parts are sold as-is with no.... Engine size, engine torque output characteristics, vehicle weight, camshaft and..., or for a steel crank/heavy rod combo so its worth getting new for. Look for more during apply if the wires are okay, its time to replace the whole transmission can... Ship Date: Another cause could be some discrepancies these units feature: - Opel style all new core cable. Dont know if this is internal balance or not industrial torque converters 20400 of! The motor need to check the next few letters, as they paint theirs black DNA section help! Of 170 torque converter stamped numbers without fluid inside it the rear side of the turbine reaches the same speed, the would. Identify them he added the third and fourth digits of the transmission before!? _____________________________________________ One example is shown in commonly-assigned U.S. Pat turbine receive the fluid force of the code conjunction! Converters to meet increasing torque load demand, and other factors most converter.
