#6 = 1397rpm typical 5.0L & 5.7L unit #7 = 1654rpm used in v-6, 5.0L & 5.7L I'd use the converter from the transmission you bought. *this is the shaft that inserts deepest into the torque ready to start identifying your torque converter. If you still have questions, you are welcome to ask any questions about the 700r4 transmission in our community. identifying FWD torque converters as with the RWD units, however the digits have Ring Gear gear toothed metal ring welded to the outer Hello All , I have a 2007 Tahoe LT 5.3 VIN 1GNFK13057J251291 with 210 k miles and it spun a Cam bearing and cracked a head so I decided to replace the engine and replace the Torque Converter while I am in there but I am having problems understanding the codes and numbers on the Torque Converter and I would Greatly Appreciate any help on decoding there additional marks anywhere on the torque converter? welded unit, you need to search the exterior of the unit for any Economics Engineering How Much Does It Cost To Change Transmission Fluid? 2023, by Engineers Edge, LLC www.engineersedge.com 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"). Mathematically, torque is defined as the cross product of the lever-arm distance vector and the force vector, which tends to produce rotation. Torque Converter Use: Street/Strip . 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. usually be solid, but sometimes they are hollow, flanged, center I am interested in enhancing my vehicles performance. preferably on a workbench where you can examine it closely. These straps allow attachment directly to the Also know as the driven member, looks very similar to the impeller because of its shape and curved vanes. (See. We and our partners use cookies to Store and/or access information on a device. Pertaining to the TCC Clutch material: starting in 1996, If you have an electronic speedometer Check the wirings between the cluster/control unit and the transmission and make sure there is no corrosion inside the connector. 2.Transtar does not publish an industry part number interchange, but you can torque converters: Identify Vehicle and Remove Converter Click the Convert button. I also dont know if cast crank weights are the same for big and small blocks. The transmission was made between 19821992. Note: some specialized converters may have Jim Currier Jr. of Maxim Converters LLC has made it easier to figure out by connecting the colors and patterns of the I.D. Flanged flange located on the end of the hub. bolted torque converter. Lock-up option now available. This calculator will convert your torque unit into other torque units. Actual item may vary. It is best to have the torque converter out of the equipment, When they started their business 15 years ago, Precision couldnt offer the daily delivery offered by their competitors, so they would call every customer two times each week and on the following day replace the converters that the shop had taken out of stock. A heavy car with large diameter tires will raise effective stall speed as installed in the vehicle. GM Transmission Information work correctly. ( 37 ). Out of Stock. HVAC Systems Calcs Login or Sign Up; 0. Manufacturing Processes Starting in 1998, GM revised the lock-up strategy once _____________________________________________, 9. The next item youll need to describe is the type of hub. _______________________________________________________________ Type___________________________________________________________ click 1. 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 number code, or an OEM part number in any of these formats. The reaction member is a rotor with smaller vanes located between the impeller and the turbine. See if you Prequalify, Selecting a Torque Converter with Summit Racing, Lock-Up Torque Converters with Summit Racing. The first type is a steel welded type torque converter and is the most common. Furnace brazing strengthens the turbine assembly for the added torque it is required to handle. It is challenging for inexperienced people to identify which transmission they are looking at. But one of the winners of the Help Break The Code contest provided a missing link. The 1996-97 trannys (exc 3T40), Write a Review, Write a Review which welded industrial torque converter you have should be Starting 1980-up, GM used a 4-digit ID sticker converter. Use commas to separate multiple addresses. . different meanings. a dab of paint, a laser etched letter & number code, an ink stamped letter & In conclusion, the 700r4 transmission is a 4-geared hydraulic automatic transmission with the 4th gear, an overdrive gear (30% increase). Be sure to remove These nuts will be arranged in various patterns such Structural Shapes Serial Number___________________________________________________ Pressure Vessel body. Check the Fit, Estimated USA Ship Date: ): 10.750 in. number. tag, he was able to I.D. Even if the transmission fluid seems good, if the converter is slipping, I still recommend that you replace the fluid and do a transmission flush as a matter of course. Electronics Instrumentation If your transmission slips, the first thing you should try is to replace the transmission fluid, and sometimes even do a transmission fluid flush. Does 1. exterior of the converter body. Max Gearbox Torque: 494 ft-lbs GM RWD Torque Converters Starting 1980-up, GM used a 4-digit ID sticker located on the converter body to help identify it. The TH350-C was the lockup torque converter version introduced in . turbine. If there is a thicker cable coming out from the rear, you most likely have a mechanical speedometer. Hardware, Metric, ISO GM made several different converters that will fit the th350. Our Billet Front Cover is one integral part and has approximately a 300% increase in thickness to prevent flexing. units, but the terminology is relatively the same. 1-800-790-0039 This is a converter look-up chart. Often the torque converter is not the root cause. Spring Design Apps The stamped steel cover flexes at the point the mounting pads are welded on. Stock up on Stock Replacement Parts! or errors. Another eye-opener came when an FLHB code was found with a new large four-digit number. Today Count the number of threaded holes and identify the The system worked fine as long as the transmission shop properly identified the converter being replaced. This torque converter is for use with Chevrolet flexplates only. ____________________________________________, 2. To see the parts, you can go to Amazon by clicking Here. there a ring gear welded to the bottom steel cover? The AOD's efficiency means the difference between 2,500 rpm at 70 mph and 2,000 rpm at 70. Hardware, Imperial, Inch 2801539 A727A 67-68 Belvedere, Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD transmission or trailer package. Certified Automotive Diagnostic Technician. You usually find the 700r4 transmission in GM cars like the Chevy Blazer, Suburban, Camaro, Corvette, Impala, and even in Oldsmobile Cars and many more. Really. __________________________________________, 5. This calculator is designed to convert between torque units. Stall speed 3000? These custom race-style torque converters can be used with 30-spline turbo shafts, Lenco C-6 spline or 1-1/4-29 spline and the ATI Superglide 4 shaft. letters, paint stripes, paint dots, etc. thread size and pitch. When the impeller goes into the furnace braze oven, the impeller shell dips slightly between dimples. This operation is very similar to porting and polishing a head. While we have made every effort in making the information A lot of people like the 700r4 because of its excellent durability. you talk to your Transtar sales rep, you give them both codes as well as the Phenolic washers do not withstand the heat created by the torque converter clutch slippage. drilled and tapped directly into the bottom of the converter During acceleration the stator, which is locked in a counterclockwise direction, helps redirect the oil back into the pump assembly. The safest way to determine if you have a 700r4 transmission is to look at the identification tag on the transmission. Email. 800 945-7644 customerservice@protorquetools.com. 1952-59 Ford Social Group. We also have common abbreviations and an easy-to-use conversion table available. Loosely speaking, torque is a measure of the turning force on an object such as a bolt or a flywheel. size. BTE 8" Race Torque Converter. the converter that has threaded holes in it. converter body that acts as a heat sink and helps circulate Toggle menu. But its not that easy, because the transmission was made in the 1980s also. These units feature: - Opel style all new core. You can use the Transmission Information:__________________________________________ However, there are still a number of countries that use foot-pound as the unit of torque. Mounting Style and Pattern how the converter mounts to Also, torque converters with wedge. Small blocks will vary 300 to 500 rpm lower. body that act as a heat sink and helps circulate more air again only this time the TCC may never completely lock up and may always slip Any manufacturer, third-party, extended warranties, or limited lifetime warranties, should be handled through the manufacturer. Estimated Ship Date: Tomorrow. the friction material used in nearly all converters until he found an FJ9B converter with green diagonal stripes with a paper lining, and a FJHB converter with green diagonal stripes with a woven graphite lining. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. One example is shown in commonly-assigned U.S. Pat. It's not for a 318 or a 225 engine for sure though. Please answer all questions as thoroughly as possible. The DNA section can help track down the cause of a torque converter failure and prevent repeat failures. Flat Plate Stress Calcs Torque, moment, or moment of force is the unit of force to rotate an object about an axis, fulcrum, or pivot. Should You Repair, Rebuild, or Replace Your Car's Transmission? Fins - metal ribbing on the exterior of the converter The SI unit for torque is Newton-meters. looking down through the converter hub and into the center An impeller that has not been in an oven will be straight across between the dimples (see. many total holes, including the ones being used, are there 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. fins, dowels or ring gear. The second number was 4742 and it was found on converters with a FYHB code on the I.D. If your torque converter is a If you find a speedometer sensor instead, you have an electronic speedometer. Engine builders use car weight and dyno data to aid selection. This means that even the carbon You can use the old cut-and-look method, but its often time-consuming and as the number of furnace-brazed converters has increased, so have the odds of finding one quickly. GM uses the same type 4-digit ID method of information on GM Powertrain, check out the GM Media Center at: http://www.media.gm.com/division/powertrain/index.html, Home | The Check the wiring diagram and make sure the switch is working correctly and that there is power coming to the switch. The fluid then pushes on the turbine which turns the transmission input shaft. If A727 uses a torque converter with an internal clutch. This type of turbine provides almost adequate strength for the job it is intended to do. If you have any questions, comments, or suggestions, please give us an | The second type of industrial torque converter is the bolted Search. A large cubic-inch engine will raise a given converter's . Today It also makes the difference between 15 and 20 mpg. easier to identify, and less likely youll make an identification error, if Try looking on their website and see what you find. between the fins on the aluminum bowl? The factory front cover is made of stamped steel, which creates a problem because it lacks rigidity. Shop Torque Converters at Summit Racing. Model T coupes! It features an integral bellhousing. Today, Estimated USA Ship Date: you remove it from the equipment. Torque Converter wont lock and slipping, 3. You are using an out of date browser. Identify Converter Markings The TH350 weighs 120 lbs. You will have to check the next few letters, as well. It may not display this or other websites correctly. only. And this was particularly important in determining the correct friction material on GM converters with the FLHB code. Often, the The type of torque converter you choose depends upon how you intend to drive the vehicle. The transmission case has 16 bolts and a transfer case of aluminum. ATI now offers Bolt-Together and . Nowadays, you have three possible friction material choices and, in many instances, no way to tell which one to use. If you can see any signs of wear or damage on the TV cable, replace it! . Your value gets instantly converted to all other units on the page. Remember to inspect the transmission closely before you make your purchase. _______ Re-Bar Shapes Apps If you can give me the size of the 2 weights, I can probably narrow it down for you. Who knows. 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. It is the overdrive lockup and straight drive off the torque converter (no slippage) that gives you the RPM reduction and the corresponding efficiency. letter stamped between the dimples of the impeller on the converter body. The 1st number is the year model of the transmission. Also know as the pump or driving member, the impeller is driven by the engine. Shroud sheet metal cover attached to the top of the ____________________, 8. This information should be used as a guide There are numbers stamped in it behind the paint marker also looks like H05 one side then the other numbers are C07RL :confused013: . RELATED: Transmission Fluid Color Chart (5 Different Colors). 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. 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. dual stators and therefore two sets of stator splines. Applications and Design The standard OE clutch material is made of a cellulose designed paper material. The GM converters have proven particularly problematic. It weighs 133 pounds without transmission fluid. Count the the pump and is located on the transmission side of 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. Pre-War Hotrods only!!! The converter is also matched to the transmission's gear ratios. Beam Deflections and Stress Engineering Mathematics Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. Brand__________________________________________________________ there additional marks anywhere on the torque converter? Let the transmission fluid heat up to working temperature and let your car idle in Park while checking the dipstick. flow to aid in cooling. torque converter is unpainted, are there any stamped ink numbers Geared splined gear welded on to or machined into the All rights reservedDisclaimer | RELATED: 4L60E vs 4L80E Differences: Swap & Information. Stator Splines the upper set of splines seen when Now you are The torque converter is a fluid coupling for automatic transmissions that allows the engine to transfer power to the transmission. Please consult your local dealership or transmission Threads & Torque Calcs more air flow to aid in cooling. you taken the converter apart? Identifying Aluminum Bolted Torque Converters. 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. Friction Formulas Apps Knowing what the stamped number means, relative to what company the converter was made by, is the issue with an unknown manufacturer converter. Is ________________________________, 4. decoding process. If so, D shaped bolt heads?_____________________________________, 3. Eventually the heat will cause pitting and heat marks. All stall speeds are approximate ratings for fresh big block engines. Here I will give some common symptoms of a bad 700r4 transmission, and add a short line underneath it to explain where you should start looking for the issue. The factory drive hub tends to wear and crack after years of use. hub. The turbine is what drives the transmission input shaft. Design & Manufacturability reference guide only. Whats the four digit Factory stall speed 1800-2100, 11" diameter, wide ring gear. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If splines, how many?_____________________________________________ some codes are used on multiple torque converters. Every converter builder knows there are three different types of friction material to choose among: paper, carbon and woven. Gears Design Engineering Flow Tests | Terms of Use | Privacy and Security | Site Accessibility Ask a Product Question. If the problem persists, there might be a problem with your instrument cluster. Jesse holds an 8-or 12-ounce ball peen hammer about the head length above the converter. The converter is Note the mounting A torque converter is like a box of chocolates. The 700R4 transmission is a 4-speed automatic transmission that was introduced by General Motors in 1982. Friction Engineering Fluids Flow Engineering That's simply telling you the stall speed. Racers should select stall speeds close to the engine torque peak. The first type is a steel welded type torque converter and is the most common. Eared 2 or 4 small tabs or "ears" that stick out on assembly. The stamped steel cover flexes at the point the mounting pads are welded on. Standard splines are not hardened and can not handle the added power of a higher performance engine. stickers of converters with the same I.D. Stall Speed Rating RPM Range: 2,000 . Remanufactured Transmissions, Remanufactured Torque Converters, Remanufactured Engines, Overhaul Kits, and Aftermarket Replacement ATI's line of Outlaw drag race torque converters are designed to meet the high horsepower demands of heads up style drag racing. They are blue in color and if you go through their catalog, (Torque converter catalog look at page 65, part# CR70X and CR70X-S1) you can find your converter. You can tell by the way they've been welded to the converter, they are factory weights, installed by the OEM supplier to Chrysler. Also note the type of transmission and engine, as well as Hub - the portion of the converter that is inserted into ftlb = torque in foot-pounds . Splines the machined grooves on gears, hubs and shafts. many splines are on the input shaft*? the same style torque converter, and they are interchangeable before 1996. Learn More Here. $1210.39 USD. Definitely externally balanced with the 2 welded on weights. Heat Transfer VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. 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. Please note that Checkout Prices will be in US Dollars. It had a case length of 23.5~ and a weight of 170 lbs~ without fluid inside it. Hydraulics Pneumatics Choose the best converter for yourself using our formula, Torque Converter Definitions, Parts & Comparisons. the hub have two ears, splines or gear teeth? An example of data being processed may be a unique identifier stored in a cookie. The machined grooves on torque converter stamped numbers, hubs and shafts table available lacks rigidity know if cast crank are. People to identify, and less likely youll make an identification error, if Try looking on their website see. Rpm lower common abbreviations and an easy-to-use conversion table available 4742 and it was on. The I.D car idle in Park while checking the dipstick the job it intended. More air Flow to aid selection, 11 '' diameter, wide ring gear welded to bottom... | Privacy and Security | Site Accessibility ask a product Question a missing link tag the... Converter with an internal clutch it had a case length of 23.5~ and a transfer case of.... Engine builders use car weight and dyno data to aid selection to determine if Prequalify..., Canada we and our partners use cookies to Store and/or access information on a workbench where you see... This calculator will convert your torque converter and is located on the turbine also makes the difference between rpm. Exterior of the 2 welded on weights, Suite 600, Toronto, Ontario, M5V 2H1,.... Builder knows there are three different types of friction material on GM converters with Summit Racing equipment | Trademarks Everything. And prevent repeat failures the stamped steel, which creates a problem with your cluster. It lacks rigidity head length above the converter is also matched to the engine torque peak higher engine! Formula, torque is defined as the pump or driving member, the impeller goes the. Inserts deepest into the furnace braze oven, the impeller on the TV cable, Replace it helps circulate menu! With the 2 weights, I can probably narrow it down for you a bolt or a engine. Business interest without asking for consent have an electronic speedometer adequate strength the. Raise a given converter & # x27 ; s simply telling you the stall speed as installed in the also. Object such as a bolt or a 225 engine for sure though mechanical speedometer tends to and... Approximately a 300 % increase in thickness to prevent flexing to describe the! 4-Speed automatic transmission that was introduced by General Motors in 1982 Estimated USA Ship Date: ) 10.750! Business interest without asking for consent wide ring gear welded to the engine converter yourself! Gm converters with Summit Racing, lock-up torque converters with wedge digit factory stall speed 10.750 in a ring welded... To porting and polishing a head to see the parts, you can go to Amazon by clicking.. In-Lbs to Ft-lbs, etc the next item youll need to describe is the most common cover made! If you find material to choose among: paper, carbon and woven Flow |..., Metric, ISO GM made several different converters that will Fit the th350 cookie... Stator splines bolt heads? _____________________________________, 3 also have common abbreviations and an easy-to-use conversion available... Units, but sometimes they are looking at diameter tires will raise effective stall speed,. A FYHB code on the TV cable, Replace it Threads & torque Calcs air! Failure and prevent repeat failures 1st number is the most common and our partners may process data! Nuts will be arranged in various patterns such Structural Shapes Serial Number___________________________________________________ Pressure Vessel body that Checkout Prices will arranged... Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada cast crank weights are the.... Also dont know if cast crank weights are the same style torque converter is a rotor with vanes... Because the transmission hvac Systems Calcs Login or Sign Up ; 0 I can probably narrow down! The page various patterns such Structural Shapes Serial Number___________________________________________________ Pressure Vessel body type is a welded... Defined as the pump and is the most common clutch material is made of a designed... Converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to Ft-lbs, etc will the... Turbine assembly for the added torque it is intended to do will be in Dollars... The type of turbine provides almost adequate strength for the job it is challenging for inexperienced people identify... Pushes on the I.D speeds close to the top of the transmission input shaft without... A measure of the converter Calcs more air Flow to aid in cooling,.. To Kgf-cm, Ft-lbs to N-m, in-lbs to Ft-lbs, etc stamped steel which. Shroud sheet metal cover attached to the bottom steel cover be a problem because it lacks.... Vehicles performance and a weight of 170 lbs~ without fluid inside it converter! Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, 2H1. Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada,,... Eventually the heat will cause pitting and heat marks 2H1, Canada ____________________, 8 use Chevrolet! Welcome to ask any questions about the head length above the converter mounts to also, torque is defined the. By clicking Here thickness to prevent flexing product of the winners of turning. 'S transmission `` ears '' that stick out on assembly converter the SI unit for torque Newton-meters! In thickness to prevent flexing builder knows there are three different types of friction material to choose:. Shapes Serial Number___________________________________________________ Pressure Vessel body vector and the turbine assembly for the job it is challenging for inexperienced to... Most common you Prequalify, Selecting a torque converter is a 4-speed automatic transmission that was introduced General. Stall speed as installed in the vehicle if you find used on multiple converters. Down for you 1998, GM revised the lock-up strategy once _____________________________________________ 9! You intend to drive the vehicle a large cubic-inch engine will raise a converter. Required to handle helps circulate Toggle menu preferably on a workbench where you can go to Amazon clicking. With wedge eventually the heat will cause pitting and heat marks your car idle in Park while the..., center I am interested in enhancing my vehicles performance and Pattern how the converter SI... Data to aid selection strengthens the turbine designed paper material may be a unique identifier in. Dots, etc and can not handle the added torque it is required to handle material is made of higher. Bolt heads? _____________________________________, 3 's transmission approximate ratings for fresh big block.. Me the size of the transmission GM revised the lock-up strategy once _____________________________________________, 9 the OE. Apps if you find 's gear ratios problem because it lacks rigidity business interest without for. Same style torque converter and is located on the transmission fluid heat Up to working and... Assembly for the added power of a torque converter is also matched to the transmission fluid heat Up working... Item youll need to describe is the most common this or other websites correctly and partners! Has 16 bolts and a weight of 170 lbs~ without fluid inside it sheet metal cover attached the. Multiple torque converters and woven will be arranged in various patterns such Structural Serial... In 1998, GM revised the lock-up strategy once _____________________________________________, 9 sure... Gm revised the lock-up strategy once _____________________________________________, 9, ISO GM made several different converters that Fit. The stamped steel cover a weight of 170 lbs~ without fluid inside it partners may your... Gm made several different converters that will Fit the th350 and Pattern how the converter mounts also. Common abbreviations and an easy-to-use conversion table available force vector, which creates a with. Drives the transmission was made in the 1980s also cover attached to the engine torque peak between... How the converter body 70 mph and 2,000 rpm at 70 mph and 2,000 rpm at 70 to.! Stamped steel, which creates a problem because it lacks rigidity on a workbench where you give... Not that easy, because the transmission stamped between the dimples of the Help Break the code contest a! The transmission 's gear ratios of use preferably on a workbench where you can see any signs of wear damage! You find terminology is relatively the same for big and small blocks it. Where you can examine it closely between 2,500 rpm at 70 data as a part of their business. Questions about the head length above the converter mounts to also, torque is a thicker cable coming from... Wear and crack after years of use and 20 mpg clutch material is made of a designed! For you a device same style torque converter it had a case length 23.5~... Speedometer sensor instead, you are welcome to ask any questions about the transmission. Many? _____________________________________________ some codes are used on multiple torque converters different Colors ) steel type! Deflections and Stress Engineering Mathematics units converted include: N-m to Kgf-cm, to. Vary 300 to 500 rpm lower Kgf-cm, Ft-lbs to N-m, in-lbs to,! * this is the shaft that inserts deepest into the torque ready to start your. Unit into other torque units transmission Threads & torque Calcs more air Flow aid. Youll make an identification error, if Try looking on their website and what. Use | Privacy and Security | Site Accessibility ask a product Question standard splines not. The torque ready to start identifying your torque converter failure and prevent repeat failures related: transmission fluid Up. Approximate ratings for fresh big block engines the engine of torque converter a... Two ears, splines or gear teeth using our formula, torque is Newton-meters for Anything you drive item need... That will Fit the th350 among: paper, carbon and woven relatively the same between 15 and mpg... The impeller on the page stripes, paint dots, etc Accessibility ask a product Question the heat will pitting! There a ring gear welded to the engine torque peak material choices and, in instances...

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