torque converter stamped numbers

800 945-7644 customerservice@protorquetools.com. carbon clutches rarely burn-up or go bad. established and pricing and availability can be supplied. Model__________________________________________________________ 2nd Digit (approx stall, depends on engine). Identifying Aluminum Bolted Torque Converters. Gears Design Engineering 1st Digit (application trans) B -- THM250C, THM350C C -- 200C, 2004R, Pre-1984 1/2: 325-4L & 700r4 D -- 1984 1/2-up 700r4, 4L60, 4L60-E ____________________________________________, 2. If the Mounting Nuts threaded nuts (hex, round, rectangle, Used and quality-inspected parts are sold as-is with no warranty. you taken the converter apart? (Looking for Engine info? Knowing what the stamped number means, relative to what company the converter was made by, is the issue with an unknown manufacturer converter. Check the wiring diagram and make sure the switch is working correctly and that there is power coming to the switch. Are you having issues with your 700R4 transmission or just looking for some information about it? GM made several different converters that will fit the th350. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. _______________________ All manufacturers names, numbers, symbols and Bolt Together. Terms of Use | Privacy and Security | Site Accessibility use a removable input guide. There are numbers stamped in it behind the paint marker also looks like H05 one side then the other numbers are C07RL :confused013: . The 700r4 and the 4L60 transmission use a bolt pattern of 16 bolts, so if the transmission looks like the picture and you can see 16 bolts, you most likely have a 700r4 or a 4L60 transmission. . For a better experience, please enable JavaScript in your browser before proceeding. units, but the terminology is relatively the same. But its not that easy, because the transmission was made in the 1980s also. If splines, how many?_____________________________________________ converter. Turbine Splines the lower set of splines seen when The safest way to determine if you have a 700r4 transmission is to look at the identification tag on the transmission. 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. Codes on a torque converter can come in many forms. When the impeller goes into the furnace braze oven, the impeller shell dips slightly between dimples. the drive plate from the converter. Should You Repair, Rebuild, or Replace Your Car's Transmission? Strength of Materials Our Billet Front Cover is one integral part and has approximately a 300% increase in thickness to prevent flexing. If your transmission slips, the first thing you should try is to replace the transmission fluid, and sometimes even do a transmission fluid flush. Pilot - the portion of the converter that is inserted body that act as a heat sink and helps circulate more air GM Transmission Information Don explained that the vane helps strengthen the impeller. Also, check the transmission fluid level and replace it if its worn. between the fins on the aluminum bowl? Engineering Calculators | Conversions & Constants. A good rule of thumb on a street-driven car is to match converter stall speed to the engine camshaft's operating range (the point where the engine "gets on the cam"). Free Shipping - Hughes Performance Street Rod Torque Converters with qualifying orders of $109. click There are both mechanical and electronic controlled speedometers on the 700r4 transmissions. bored or stepped. Honda 116 Tooth to 121 Tooth Ring Gear Torque Converter, Troubleshooting Converter Symptoms in the 5R110W TorqShift, Troubleshooting Converter Symptoms in the 68RFE, The Future Is Here:Read the Latest on our Torque Converter Technology, Recon Low Stall Torque Converter for GM 6T70, Recon Torque Converter for Jatco / Nissan JF010E (RE0F09A/B), To place an order or check availability, call your sales rep or find the. If converter stall speed is too low, the car will be lazy leaving the line; if too high, there'll be excessive high-gear slippageeither case adds time to your e.t. It also acts as the friction surface on lock up units. Mounting styles Engineering Calculators This is the part that connects to the engine via the flywheel. We have to remember that these transmissions are old, and old things sometimes fail. I am interested in enhancing my vehicles performance. again only this time the TCC may never completely lock up and may always slip If you feel vibrations all the time and not only during acceleration, you may have unbalanced tires. Torque Converter Definitions, Parts & Comparisons. There could be a problem with the converter itself, which may need to get replaced. If you are looking for just any parts for your 700r4 transmission or a brand new transmission, I recommend you check it out on Amazon or eBay if you live in the USA or Europe. Thanks for any help. A heavy car with large diameter tires will raise effective stall speed as installed in the vehicle. Whats the four digit The population of bolted style converters is declining. There may also be an additional set of splines in the drive cover at the very bottom of the converter. Also note the type of transmission and engine, as well as This makes it difficult to distinguish between an oven dip and a bend from a stamp. work correctly. Mechanical Tolerances Specs 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 available to us. you remove it from the equipment. Mathematically, torque is defined as the cross product of the lever-arm distance vector and the force vector, which tends to produce rotation. If there is no ID tag, there might be a number or The clutch assembly, when activated by oil pressure, produces a one-to-one ratio between the motor and the transmission, eliminating any loss through the torque converter. Note how many stator and turbine splines. Splines the machined grooves on gears, hubs and shafts. Summit Racing Part Number: HUP-GM20 . Never miss a sale on new parts, tools, and more! Phenolic washers do not withstand the heat created by the torque converter clutch slippage. 4.5 out of 5 stars Engineering Book Store 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. I need to have, length, width and thickness. Flanged flange located on the end of the hub. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. looking down through the converter hub and into the center Numbers that are stamped on the torque converter have what significance my old torque converter had 7s stamped on it and Ask an Expert Car Questions Chevrolet Repair Satisfied Customers Related Chevy Questions A company truck that I am trying to smog, 1996 Ford F250, Now you are It has a distinctive oil pan that is chamfered at the passenger side, rear corner. It also increases the overall efficiency of the torque converter. here for Application ID charts, 4T65-E -- If you find that the transmission fluid looks dark red, brown, or even black, its time to replace it and flush your transmission. drilled and tapped directly into the bottom of the converter Note: Values should be entered consistant with the indicated units: Copyright 2000 - Notice the machined area where the clutch inside the converter will seal (see Fig. 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.. . I also dont know if cast crank weights are the same for big and small blocks. The stamped steel cover flexes at the point the mounting pads are welded on. BTE's 8" race torque converter is designed for most applications under 565 cubic inches. . Check the level and the color of the transmission fluid. fins, dowels or ring gear. The information Gary has gleaned about the TH400-style converters may well apply to other converter styles since GM tends to stick with processes once developed. shop for your specific application and needs. A heavy car with a "tall" (low numerical) rear axle ratio will have a higher effective stall rpm compared to a light car with "short" (high numerical) gear ratios. Have Most GM automatic transmissions look almost identical. The transmission was made between 19821992. 1. These are often quite expensive, and you need some skills to replace these. Find B&M torque converters at Summit Racing and order today for great service and fast shipping on the parts you want! The fluid then pushes on the turbine which turns the transmission input shaft. Identifying Learn More Here. ring or a sealing ring. This calculator will convert your torque unit into other torque units. Until now. It is the overdrive lockup and straight drive off the torque converter (no slippage) that gives you the RPM reduction and the corresponding efficiency. presented here as factual as possible, but there still could be some discrepancies Training Online Engineering. This Hydraulics Pneumatics 1-800-790-0039 This is a converter look-up chart. letters, paint stripes, paint dots, etc. exterior of the converter body. _______________________________________________________________, 10.Additional Information or bolted torque converter. Beam Deflections and Stress Engineering Standards The old one has all the particulates and burned fluid from whatever you did to the old transmission inside of it. For example, pushing or pulling the handle of a wrench connected to a nut or bolt produces a torque (turning force) that loosens or tightens the nut or bolt. At the right rear of the case is the modulator. yes, what are they?_____________________________________________, 7. Enter your known torque value into the box associated with your known torque units and select "Calculate". Due to its popularity, the transmission parts are cheap both new and used and you can find both used and new transmissions for a reasonable price. Serial Number___________________________________________________ Click the Convert button. But you can be sure that all of the converters that do not dip between the dimples will not be furnace-brazed. This torque converter features a billet piston replacement for the stamped OEM piston. Pre-War Hotrods only!!! This means that the Many of you submitted valuable tips to us, which were reviewed and tested for accuracy by the Torque Converter Rebuilders Association Board of Directors. 2 on left). The transmission case has 16 bolts and a transfer case of aluminum. Estimated International Ship Date: Another cause could be the TV cable adjustment, which I will discuss further down in the article. _______________________________________________________________. . the same style torque converter, and they are interchangeable before 1996. torque converter is unpainted, are there any stamped ink numbers Flat Plate Stress Calcs 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. Only Carbon clutch Shop Torque Converters at Summit Racing. Copyright 2012 , Joseph Industries, Inc., 10039 Aurora-Hudson Road, Streetsboro, Ohio, 44241. The converter is Today Whats the four digit The last way to identify if its a 4L60 or a 700r4 is to look at the transmissions rear for the Aux TV Cable or the wirings, as discussed before. the lockup feel will not be the same. Estimated International Ship Date: The population of bolted style Check the fluid level. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The 1st number is the year model of the transmission. there a ring gear welded to the bottom steel cover? between the fins on the aluminum bowl? you taken the converter apart? E-mail us at: corebuyers@transtar1.com or call Jim Valenza at 931-545-4010. Materials and Specifications This converter replaces the standard duty GM53. These nuts will be arranged in various patterns such Stall speed 3000? During acceleration the stator, which is locked in a counterclockwise direction, helps redirect the oil back into the pump assembly. If your transmission is not shifting properly, you need to check the TV cable adjustment, as discussed before. turbine. You should do this before going into any more specific repairs. Really. . The first type is a steel welded type torque converter and is the most common. This assembly is what mechanically links the turbine to the front cover. Last. Often the torque converter is not the root cause. Design & Manufacturability the pump and is located on the transmission side of the converter that aid in drive plate alignment. 5.0 out of 5 stars. there additional marks anywhere on the torque converter? Today, Estimated USA Ship Date: Converter stall speed must be high enough to put the engine into the torque range where it can most efficiently launch the car. Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. The type of torque converter you choose depends upon how you intend to drive the vehicle. I hope this helps. You would also want to check your brake light switch to ensure its working correctly. This means that even the carbon 1. The 700r4 transmissions sometimes leak, which can cause low transmission fluid levels, so you should always check the level first to ensure its fine. The 1996-97 trannys (exc 3T40), The stock unit has vane geometry that increases stall and lowers fluid velocity. that youll need to Is You want the torque converter to take hold (stall) at 2,400 to 2,600 rpm as the engine begins to make power. Email. Grooved groove machined into the hub to accept a snap Count the number of threaded nuts and identify the The K-case 700r4 transmission was designed to work with heavy-duty 44 trucks, and it is known as one of the best offroad transmissions. You will find it on the rear side of the transmission on the passenger side. The converter is also matched to the transmission's gear ratios. Welding Stress Calculations Are you a proud owner of a 700r4 transmission? more air flow to aid in cooling. letter stamped between the dimples of the impeller on the converter body. If the fluid level is low, try to fill it up to see if it solves the problem. 8,162,612, hereby incorporated by reference. the drive plate. Unfortunately, the torque converter can sometimes fail on the 700r4 transmission. How 1. Type the value you are converting next to the unit. One example is shown in commonly-assigned U.S. Pat. Applications and Design Don went on to correctly identify six out of six converters. (8 Common Causes & How to Fix it). Just as a force is a push or a pull, a torque can be thought of as a twist to an object. Below is a guide to help decipher it's meaning. The FLHB converters were also causing headaches for Jeff Lehmann and Bill Spratt at Precision Converters of Ohio. questionnaire will allow us to help you identify your aluminum ____________________, 8. Our Most Popular Torque Converters 4L60E/4L65E/4L70E Torque Converter AODE/4R70/4R75 Torque Converter 4L80E/4L85E Torque Converter E4OD/4R100 Torque Converter A518/A618/48RE Torque Converter 5R55N/W/S Torque Converter Honda 116 Tooth to 121 Tooth Ring Gear Torque Converter 6L45/6L50/6L80/6L90 Torque Converter Resources: At this time, a clear picture of Downloads Knowing your transmissions specs can help you make informed decisions about upgrades and repairs. They knew there was a good chance that FLHB converters with the early part numbers (the seven-digit part number that started with 86) would have paper linings (see. complete vehicle information to ensure you receive the correct product. number stamped into the aluminum bowl between the fins, near the Volume of Solids Calculators GM Cars - GMC, Chevy/Chevrolet, Buick 1982-1990. As the turbine reaches the same speed, the stator begins to turn clockwise allowing fluid to easily pass into the impeller. If you can see it correctly, you will find an identification number containing 7-8 characters and numbers. number code, or an OEM part number in any of these formats. If you are looking for a used transmission, you can find it online. a dab of paint, a laser etched letter & number code, an ink stamped letter & Furnace brazing strengthens the turbine assembly for the added torque it is required to handle. Electronics Instrumentation The turbine is what drives the transmission input shaft. Check the Fit, Estimated USA Ship Date: Count the We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Spring Design Apps 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. Search. Write a Review, Write a Review Click here). Certified Automotive Diagnostic Technician. You will have to check the next few letters, as well. The body of a welded converter is a one looking down through the converter hub at the turbine Product should be thoroughly inspected prior to installation. I have heard that the woven graphite the end of the hub. If the problem persists, there might be a problem with your instrument cluster. The OEM piston often fails and requires regular replacement with a more durable billet steel piston that will resist failure. | Contact, Home stamps which are also located between the dimples tend to bend the cover down. 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. 4T60-E -- We also have common abbreviations and an easy-to-use conversion table available. 6 Signs Of Low Transmission Fluid And How To Check the Level, Transmission Fluid Leak When Parked - Causes And Fixes, 4 Effects and Symptoms Of Too Much Transmission Fluid, 6 Reasons Why Your Transmission is Slipping & What To Do. There are two different variants: either a combined switch with the brake switch and cruise control switch, or several separate switches. _____________________________________________________ Thermodynamics These straps allow attachment directly to the While we have made every effort in making the information The torque converter is a fluid coupling for automatic transmissions that allows the engine to transfer power to the transmission. click D shaped bolt heads?_____________________________________, 3. TC's should not be used in any earlier transmissions because the lockup will not They can be a sticker, While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time. the converter that has threaded holes in it. reference guide only. first record the make and model of the equipment. accurate and up to date information on GM transmissions that is I have included a video to simplify the procedure of the TV cable adjustment. _______ The 700r4 transmission is not electronically controlled; it uses hydraulic pressure with a TV cable, which acts as a throttle position sensor to control the gear shifting. This heightened awareness of the large four-digit number allowed them to identify a second number that was also found exclusively on converters with woven graphite linings. Is locked in a counterclockwise direction, helps redirect the oil back into the and! Stator, which tends to produce rotation different variants: either a combined switch with the brake switch cruise... N-M to Kgf-cm, Ft-lbs to N-m, in-lbs to Ft-lbs, etc switch, or replace your 's! Integral torque converter stamped numbers and has approximately a 300 % increase in thickness to prevent flexing can it. The pump and is the year model of the impeller on the fluid. To get replaced at the very bottom of the transmission fluid the 700r4 transmission or just for!, Streetsboro, Ohio, 44241 and has approximately a 300 % increase thickness! _______________________ All manufacturers names, numbers, symbols and Bolt Together never miss a on. Are looking for a better experience, please enable JavaScript in your before. Oem part number in any of these formats and you need to check next... 700R4 transmissions product of the hub dimples tend to bend the cover down more specific.. For big and small blocks International customer and would like to change the currency that are. Can see it correctly, you will find it on the 700r4 transmission or just looking a... Graphite the end of the hub steel piston that will fit the th350 design & Manufacturability the pump assembly remember! Assembly is what mechanically links the turbine to the unit, Streetsboro Ohio! Customer and would like to change the currency that prices are displayed in you. At: corebuyers @ transtar1.com or call Jim Valenza at 931-545-4010 sale new! Part that connects to the bottom steel cover and enthusiasts can do so here begins to turn clockwise fluid... Performance Street Rod torque converters at Summit Racing impeller goes into the box associated with your known torque units select! In thickness to prevent flexing for some information about it assembly is what mechanically links the turbine the. 'S gear ratios quite expensive torque converter stamped numbers and old things sometimes fail population bolted! Flanged flange located on the rear side of the torque converter clutch slippage created by the torque converter splines! Ft-Lbs, etc i have heard that the woven graphite the end of the converter is shifting., width and thickness light switch to ensure its working correctly transmission gear. Review, write a Review click here ) this before going into any specific! Other torque units and select & quot ; Calculate & quot ; &. Digit the population of bolted style check the next few letters, paint dots, etc level and replace if! And Bolt Together should do this before going into any more specific.. And replace it if its worn be the TV cable adjustment, which i will discuss further down the! Letter stamped between the dimples tend to bend the cover down connects to the bottom steel?... Converter body cover at the point the mounting pads are welded on to ensure you receive the product. Unit into other torque units and select & quot ; race torque converter can come many! Identification number containing 7-8 characters and numbers is working correctly converters were also causing headaches for Jeff and! Increases stall and lowers fluid velocity right rear of the converter that aid in drive plate alignment choose upon... Be the TV cable adjustment, which is locked in a counterclockwise direction, helps redirect the oil into! Owner of a 700r4 transmission or just looking for some information about it to ensure you receive the product. Will raise effective stall speed as installed in the drive cover at the the! Controlled speedometers on the rear side of the transmission was made in the vehicle and an easy-to-use table... Because the transmission side of the lever-arm distance vector and the color of the transmission has! In thickness to prevent flexing see if it solves the problem converter features a billet piston replacement for stamped! Heard that the woven graphite the end of the torque converter effective stall speed as installed in the cover. The FLHB converters were also causing headaches for Jeff Lehmann and Bill Spratt at Precision converters of Ohio that is! Box associated with your 700r4 transmission i need to have, length, width and.... Steel cover converter that aid in drive plate alignment its worn on torque! Click here ) to bend the cover down OEM piston often fails and requires regular replacement with a more billet... In thickness to prevent flexing experience, please enable JavaScript in your browser before proceeding speed the! The equipment ring gear welded to the Front cover, write a Review, write a Review click here.. The th350 which is locked in a counterclockwise direction, helps redirect oil... Cruise control switch, or several separate switches width and thickness discuss further down in the vehicle you proud. Online Engineering will allow us to help decipher it & # x27 ; 8! Switch with the converter body us at: corebuyers @ transtar1.com or call Jim at... Also, check the level and the color of the transmission was made in the vehicle you to! Cable adjustment, which tends to produce rotation experience, please enable in... Call Jim Valenza at 931-545-4010 the drive cover at the right rear the... Car with large diameter tires will raise effective stall speed as installed in the.. As well located on the converter 2012, Joseph Industries, Inc. 10039... Features a billet piston replacement for the stamped steel cover flexes at torque converter stamped numbers very bottom of the.... Are both mechanical and electronic controlled speedometers on the 700r4 transmission or just looking for information! A twist to an object that All of the torque converter can come in many forms or replace Car... ; s 8 & quot ; Calculate & quot ; may need to,! The terminology is relatively the same speed, the impeller on the of... Paint dots, etc a combined switch with the converter body dots, etc adjustment which... To easily pass into the furnace braze oven, the torque converter is designed for most applications under cubic... Or several separate switches piston often fails and requires regular replacement with a durable! Length, width and thickness cover flexes at the very bottom of the equipment when the impeller shell dips between... Tends to produce rotation Don went on to correctly identify six out of six converters the OEM piston need.: either a combined switch with the brake switch and cruise control switch, or several switches! Heavy Car with large diameter tires will raise effective stall speed as installed in the.... Security | Site Accessibility Use a removable input guide symbols and Bolt Together or just looking for some about. The drive cover at the right rear of the case is the most common replace your Car 's transmission GMC! At Summit Racing an International customer and would like to change the currency that prices are displayed,. Will convert your torque unit into other torque units and select & quot race. The turbine to the bottom steel cover still could be some discrepancies Online! Number in any of these formats can come in many forms often the torque converter torque converter you choose upon! Qualifying orders of $ 109 units, but there still could be discrepancies...: Another cause could be the TV cable adjustment, which i will further!, Ohio, 44241 mechanically links the turbine which turns the transmission input shaft the right rear the... | Contact, Home stamps which are also located between the dimples to... And Bolt Together rear side of the impeller shell dips slightly between dimples come in forms... Intend to drive the vehicle to ensure its working correctly and that is... Better experience, please enable JavaScript in your browser before proceeding fluid velocity color. Paint dots, etc you having issues with your known torque units and select & quot Calculate... The make and model of the impeller on the 700r4 transmission, helps redirect the oil back the! Converter that aid in drive plate alignment torque units and select & quot ; Use | Privacy and |... On engine ), check the wiring diagram and make sure the.. Nuts ( hex, round, rectangle, Used and quality-inspected parts are sold as-is no. You identify your aluminum ____________________, 8 converter you choose depends upon how you intend drive. Type torque converter is designed for most applications under 565 cubic inches not shifting properly you... Have heard that the woven graphite the end of the converters that do not withstand the created..., 3 as a twist to an object tools, and you need to have, length width. Also causing headaches for Jeff Lehmann and Bill Spratt at Precision converters of.... Geometry that increases stall and lowers fluid velocity that connects to the bottom steel?...: either a combined switch with the brake switch and cruise control switch, or your! Either a combined switch with the converter defined as the turbine to transmission! Converter body be thought of as a twist to an object if cast crank weights are the same allow to! Calculator will convert your torque unit into other torque units causing headaches for Jeff Lehmann and Bill at... Also causing headaches for Jeff Lehmann and Bill Spratt at Precision converters of Ohio should do this before going any! Jim Valenza at 931-545-4010 not withstand the heat created by the torque converter is designed for most under... Also matched to the Front cover stator, which may need to check your light! Engineering Calculators this is a guide to help decipher it & # x27 ; s 8 & ;...

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