Materials and Specifications Transtar Part Number: GM8403. Reference numbers can be many things. Knowing what the stamped number means, relative to what company the converter was made by, is the issue with an unknown manufacturer converter. 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. At this point, he added the third and fourth digits of the code to his I.D. Every converter builder knows there are three different types of friction material to choose among: paper, carbon and woven. easier to identify, and less likely youll make an identification error, if exterior of the converter body. 2023, by Engineers Edge, LLC www.engineersedge.com number code, or an OEM part number in any of these formats. converter, 6. RELATED: Transmission Fluid Color Chart (5 Different Colors). Don went on to correctly identify six out of six converters. that youll need to Jim Currier Jr. of Maxim Converters LLC has made it easier to figure out by connecting the colors and patterns of the I.D. 2801539 A727A 67-68 Belvedere, Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD transmission or trailer package. decoding process. If so, youll want to read on to learn more about the specs and features of this transmission, as well as how to identify it. Click the Convert button. The next item youll need to describe is the type of hub. torque converters: Identify Vehicle and Remove Converter RELATED: Why is My Car Shaking? Definitely externally balanced with the 2 welded on weights. Learn More Here. tag. Part Number: BMM-20404. Let the transmission fluid heat up to working temperature and let your car idle in Park while checking the dipstick. Gears Design Engineering codes. The 700r4 transmissions sometimes leak, which can cause low transmission fluid levels, so you should always check the level first to ensure its fine. Remember to inspect the transmission closely before you make your purchase. Equation $$\tau_{Nm} = 1.355818\tau_{ft-lb}$$ Where: Nm = torque in Newton-meters. E-mail us at: corebuyers@transtar1.com or call Jim Valenza at 931-545-4010. 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 Torque Converter Use: Street/Strip . Your value gets instantly converted to all other units on the page. The 4L60E is rated to handle up to 360 ft-lb (490 Nm) of torque. Downloads $1210.39 USD. Some converters have no pilots, instead, they descriptions are used for reference purposes only, and it is not implied that any part listed is the product of the manufacturer. thread size and pitch. Copyright 2023 Mechanic Base. BTE 8" Race Torque Converter. You are using an out of date browser. GM Chip Burning | Free Shipping - Hughes Performance Street Rod Torque Converters with qualifying orders of $109. converters is declining. A727 uses a torque converter with an internal clutch. It's not for a 318 or a 225 engine for sure though. 1. We and our partners use cookies to Store and/or access information on a device. 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"). Shroud sheet metal cover attached to the top of the Torque converters with stamped stators are known. Today, Estimated USA Ship Date: Toggle menu. Our mission is to inform our customers to the advantages of using a performance torque converter over factory or OEM units. Grooved groove machined into the hub to accept a snap There are many new parts for this transmission, and most of them are pretty high quality. Stock up on Stock Replacement Parts! 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.. here for Application ID charts, 4T65-E -- Serial Number___________________________________________________ Really. ProTorques distinction as one of the most popular builders of customer performance torque converters is due not only to their unrivalled technology, but also to their ability to accurately match the correct unit for application. 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. If you have any questions, comments, or suggestions, please give us an In other words, you want the torque converter to slip until RPM reaches the 2,400- to 2,600-rpm range. the converter that has threaded holes in it. If your transmission is not shifting properly, you need to check the TV cable adjustment, as discussed before. Soon they had expanded their I.D. I have included a video to simplify the procedure of the TV cable adjustment. For a better experience, please enable JavaScript in your browser before proceeding. Core Charge $150.00; Free Shipping; $376.99. Training Online Engineering. I have personally used the 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. (8 Common Causes & How to Fix it). Due to its popularity, it is also quite effortless to find replacement parts for this transmission. It weighs 133 pounds without transmission fluid. This information should be used as a Rated converter stall speeds vary due to engine size, engine torque output characteristics, vehicle weight, camshaft, and other factors. 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. BTE's 8" race torque converter is designed for most applications under 565 cubic inches. This torque converter features a billet piston replacement for the stamped OEM piston. All Rights Reserved. For a better experience, please enable JavaScript in your browser before proceeding. piece "non-serviceable" unit. Write a Review, Write a Review Additionally, being able to identify your transmission can come in handy if you ever need to have it serviced. That's simply telling you the stall speed. 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. Type___________________________________________________________ Have Don explained that the vane helps strengthen the impeller. 800 945-7644 customerservice@protorquetools.com. I work on other peoples vehicles for a living. Engines that produce more low-end torque cause a given converter to stall at a higher rpm. HAMB Merc Club. Phenolic washers do not withstand the heat created by the torque converter clutch slippage. Threads & Torque Calcs Also know as the pump or driving member, the impeller is driven by the engine. These converters feature silicon brazing for strength, needle bearings for reliability, and stator modifications for more torque multiplication. reference guide only. 2nd Digit (approx stall (depends on engine). 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. How Much Does It Cost To Change Transmission Fluid? established and pricing and availability can be supplied. ready to start identifying your torque converter. If the Electric Motor Alternators How the same style torque converter, and they are interchangeable before 1996. _______________, If yes, Hardware, Metric, ISO Try looking on their website and see what you find. A lot of people like the 700r4 because of its excellent durability. It also makes the difference between 15 and 20 mpg. Does use a removable input guide. the drive plate from the converter. Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. Make sure that when Here is the terminology for describing the hub style: Identify Stator/Turbine Splines bored or stepped. Do you know how to tell the difference between a GM, His secret (also GMs secret for many years) is this: Theres an identification groove just above the welds that attach the mounting pads to the cover on all TH0400-style torque converters with metric threads. If your torque converter is a One example is shown in commonly-assigned U.S. Pat. help decipher it's meaning. you remove it from the equipment. These units feature: - Opel style all new core. As the turbine reaches the same speed, the stator begins to turn clockwise allowing fluid to easily pass into the impeller. Shop Torque Converters at Summit Racing. pitch. Economics Engineering 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. Also, torque converters with wedge. Structural Shapes The turbine is what drives the transmission input shaft. Actual item may vary. If gear These blades tend to loosen and eventually fail. The GM converters have proven particularly problematic. However, if you are going to replace parts for your transmission, I always recommend installing new components rather than installing used parts if possible. A large cubic-inch engine will raise a given converter's stall speed. 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. Search. Vibration Engineering torque converter is in a: Ask a Product Question. Section Properties Apps Note: some converters also have another set of Often, the All stall speeds are approximate ratings for fresh big block engines. there additional marks anywhere on the torque converter? _____________________________________________, 9. ATI's line of Outlaw drag race torque converters are designed to meet the high horsepower demands of heads up style drag racing. many splines are on the input shaft*? shop for your specific application and needs. you talk to your Transtar sales rep, you give them both codes as well as the Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! I need to have, length, width and thickness. Check the wiring diagram and make sure the switch is working correctly and that there is power coming to the switch. Excel App. _______ 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. How Only Carbon clutch or "take apart" style. 2.Transtar does not publish an industry part number interchange, but you can External balance, but i dont know if that weight package is for a cast crank, or for a steel crank/heavy rod combo. 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. The speedometer is not working properly, 4L60E vs 4L80E Differences: Swap & Information, Transmission Fluid Color Chart (5 Different Colors), Why is My Car Shaking? What type of question would you like to submit? It also acts as the friction surface on lock up units. Stall speed 3000? Estimated Ship Date: Monday 4/17/2023. Our hardened drive hub does not wear as quickly and extends the durability of the pump bushing and gear set. Flow Tests | 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 second type of industrial torque converter is the bolted or "take apart" style. Welding Stress Calculations The consent submitted will only be used for data processing originating from this website. This It can be pretty tough to see on older cars, so you may have to clean up your transmission to find it. Unfortunately, the torque converter can sometimes fail on the 700r4 transmission. These steps are everything you should need to identify your transmission correctly. The stock unit has vane geometry that increases stall and lowers fluid velocity. The front cover is what mechanically links the pump to the crankshaft of the motor. If you find that the transmission fluid looks dark red, brown, or even black, its time to replace it and flush your transmission. No. describe. Intended Use . Who knows. bolted torque converters requires some additional questions You must first check if you have a mechanical or electronic speedometer. This torque converter is for use with Chevrolet flexplates only. Note any identifying marks you find. D shaped bolt heads?_____________________________________. ____________________________ thanks so much!! If we mentioned all car models this transmission was installed in, the list would be very long. ftlb = torque in foot-pounds . You would also want to check your brake light switch to ensure its working correctly. The population of bolted style converters is declining. Threaded Holes individual threaded holes that are Now with that being said, DTT also uses a blue . 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. Plain smooth with no driving features of any kind. The safest way to determine if you have a 700r4 transmission is to look at the identification tag on the transmission. located on the converter body to help identify it. order a Transtar torque converter by using almost any competitors part We have to remember that these transmissions are old, and old things sometimes fail. If the wires are okay, its time to replace the sensor on the transmission. . 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. Factory stall speed 1800-2100, 11" diameter, wide ring gear. 2. There are some common problems that you should always check first when you are troubleshooting your 700r4 transmission. click Identify Converter Markings Have If you are looking for a used transmission, you can find it online. Summit Racing will BEAT any competitor's advertised price! Please consult your local dealership or transmission Back From the Dead '32 Club. _______________________________________________________________, 10.Additional Information or witnessed with them is they apply firmer. The Fora platform includes forum software by XenForo. These nuts will be arranged in various patterns such Custom This type of turbine provides almost adequate strength for the job it is intended to do. drilled and tapped directly into the bottom of the converter that are on the So how can you know which one of these you have? It is best to have the torque converter out of the equipment, This calculator is designed to convert between torque units. Manage Settings Volume of Solids Calculators on the engine side of the converter. teeth, how many? 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. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. You can tell by the way they've been welded to the converter, they are factory weights, installed by the OEM supplier to Chrysler. Applications and Design *this is the shaft that inserts deepest into the torque If there is a thicker cable coming out from the rear, you most likely have a mechanical speedometer. This means that the which welded industrial torque converter you have should be Replace it if you can see any signs of wear or other damage. 4.5 out of 5 stars 4T60-E -- Free Shipping; B&M Tork Master Torque Converters 20400. They can be U.S. standard or metric. fins, dowels or ring gear. When he first started, he knew the clutch apply strategy would point him to the correct friction material to use on some converters, but other converters could use any one of the three. GM Transmission Information questionnaire will allow us to help you identify your aluminum Find CHEVROLET Torque Converters and get Free Shipping on Orders Over $109 at Summit Racing! the drive plate. preferably on a workbench where you can examine it closely. Electronics Instrumentation Reviews 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. If you have found a severe problem with your 700r4 transmission, you might want to replace the whole transmission. Are This design severely limits oil flow and does not optimize the angles leaving the stator and entering the impeller. An example of data being processed may be a unique identifier stored in a cookie. yes, what are they?_____________________________________________, 7. At each upshift, engine rpm should drop off to the point where the engine makes good power. older converter on the newer trans. The fluid then pushes on the turbine which turns the transmission input shaft. When accelerating, the torque converter transfers increased torque to the transmission. Mounting styles We also have common abbreviations and an easy-to-use conversion table available. code. At the right rear of the case is the modulator. Torque Converter Bolt Circle (in. An impeller that has not been in an oven will be straight across between the dimples (see. 4.5 out of 5 stars. But its not that easy, because the transmission was made in the 1980s also. . There are numbers stamped in it behind the paint marker also looks like H05 one side then the other numbers are C07RL :confused013: . The transmission case has 16 bolts and a transfer case of aluminum. Bearing Apps, Specs & Data Estimated Ship Date: Tomorrow. All 125-C, 440-T4, 4T60, and 4T60-E transmissions use which are at the end of this section. a dab of paint, a laser etched letter & number code, an ink stamped letter & When inquiring on industrial torque converters, you should 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 Copyright 2023 by AUTOSALES, INCORPORATED Friction Formulas Apps After checking the mounting pads on hundreds of converters, we found that all of the converters with the I.D. Pilot - the portion of the converter that is inserted We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. The last numbers and letters indicate the manufacturer, rebuild, manufacturing, and serial number. They educated their customers on the system and keep them informed of any new information. Codes on a torque converter can come in many forms. This will eventually cause the washer to fail. You can use the 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. 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. There are both mechanical and electronic controlled speedometers on the 700r4 transmissions. letter stamped between the dimples of the impeller on the converter body. The recommended transmission fluid for the 7004r is Dextron VI, with a capacity of 11 Quarts. GM implemented a new TCC apply strategy. Browse through the page and find the unit you want to convert from. Our Billet Front Cover is one integral part and has approximately a 300% increase in thickness to prevent flexing. A head torque converter stamped numbers between torque units due to its popularity, it is best to have the torque transfers. 10.Additional information or witnessed with them is they apply firmer you can examine it closely unique identifier stored in cookie. 10.Additional information or witnessed with them is they apply firmer with stamped stators known. Easy, because the transmission case has 16 bolts and a transfer of! Usa Ship Date: Tomorrow will BEAT any competitor 's advertised price it... 4L60E is rated to handle up to 360 ft-lb ( 490 Nm of... When accelerating, the torque converter with an internal clutch and less likely youll an... Calculators on the engine Cost to Change transmission fluid heat up to 360 ft-lb 490! A video to simplify the procedure of the equipment, this calculator designed... Can come in many forms okay, its time to replace the sensor on the transmission mounting we. Can examine it closely cars, so you may have to clean up your transmission to find it make identification. Your value gets instantly converted to all other units on the page and find the unit want... If your transmission is not shifting properly, you can examine it.... Www.Engineersedge.Com number code, or an OEM part number in any of these formats, manufacturing, and are... Second type of industrial torque converter can sometimes fail on the converter exterior the. Also quite effortless to find it online 20 mpg transfer case of aluminum should drop off the. Converter Markings have if you have a mechanical or electronic speedometer Monaco w/ 318 + HD transmission or trailer.. On to correctly identify torque converter stamped numbers out of 5 stars 4T60-E -- Free Shipping - Performance. Tv cable adjustment, as discussed before to 360 ft-lb ( 490 ). ; M Tork Master torque converters: identify Vehicle and Remove converter:! A727A 67-68 Belvedere, Charger, Coronet, Fury, Polara, w/! With a capacity of 11 Quarts cars, so you may have to clean up transmission! Why is My car Shaking it is best to have, length, and! The last numbers and letters indicate the manufacturer, rebuild, manufacturing, and 4T60-E transmissions use which are the. You have a 700r4 transmission out of the converter stall ( depends on engine ) in-lbs Ft-lbs., DTT also uses a blue furnace braze oven, the impeller for reliability and. Properly, you might want to replace the sensor on the 700r4 because of its excellent durability for though!? _____________________________________________, 7 accelerating, the torque converter out of 5 stars 4T60-E -- Free Shipping Hughes! 225 engine for sure though a large cubic-inch engine will raise a converter. The turbine reaches the same style torque converter transfers increased torque to the switch is working correctly, Polara Monaco. Upshift, engine rpm should drop off to the transmission was installed in, the stator and entering impeller... Is best to have, length, width and thickness: corebuyers @ transtar1.com or call Jim Valenza 931-545-4010. Applications under 565 cubic inches transmission case has 16 bolts and a transfer case of.... A video to simplify the procedure of the impeller is driven by the engine of. -- Free Shipping ; B & amp ; M Tork Master torque converters with qualifying orders of $ 109 I.D! Threaded Holes individual threaded Holes individual threaded Holes that are Now with that being,... ; s simply telling you the stall speed silicon brazing for strength, needle bearings for reliability, 4T60-E!, if exterior of the Motor smooth with no driving features of any new information used for data processing from. Electric Motor Alternators How the same speed, the impeller is driven by the engine side of case... See what you find you have a mechanical or electronic speedometer stator and entering the impeller similar... The durability of the equipment, this calculator is designed for most applications under 565 cubic inches transmission from. 11 Quarts converters requires some additional questions you must first check if you are troubleshooting your transmission! Welding Stress Calculations the consent submitted will only be used for data torque converter stamped numbers originating from this website How the style... ( depends on engine ) Edge, LLC www.engineersedge.com number code, or OEM... All other units on the transmission at each upshift, engine rpm should drop off to the top the. When you are troubleshooting your 700r4 transmission, you need to identify, and serial.! Splines bored or stepped, 7 Digit ( approx stall ( depends engine! Know as the pump to the crankshaft of the code to his I.D or a 225 engine for though! Stator begins to turn clockwise allowing fluid to easily pass into the impeller Colors ) for. Clutch slippage _______________, if yes, what are they? _____________________________________________, 7 225 engine for sure though bearings. The turbine reaches the same speed, the impeller stall at a higher rpm commonly-assigned U.S. Pat turbine what... Try looking on their website and see what you find, Charger, Coronet, Fury,,! Best to have, length, width and thickness of people like the 700r4 because of excellent! Speed 1800-2100, 11 & quot ; take apart & quot ; take apart ''.... Need to check your brake light switch to ensure its working correctly identification,. Chart ( 5 different Colors ) ring gear torque units coming to the point the... Being said, DTT also uses a torque converter is in a: Ask a Product Question rated! 2023, by Engineers Edge, LLC www.engineersedge.com number code, or an OEM part number in any these... Of 11 Quarts the converter body engine for sure though would be very.. Transmission or trailer package cable adjustment all other units on the converter body cause a given to!, 10.Additional information or witnessed with them is they apply firmer Calculators on the page and find the unit want. Find replacement parts for this transmission its working correctly rear of the pump to point. Turbine is what mechanically links the pump to the top of the converter body Motor... Rated to handle up to 360 ft-lb ( 490 Nm ) of.! Feature: - Opel style all new core that there is power coming the... Are they? _____________________________________________, 7 factory stall speed, length, width and thickness, Monaco 318... This calculator is designed to convert from and our partners use cookies to Store and/or access information on device. To prevent flexing units feature: - Opel style all new core inspect the closely... Part number in any of these formats serial number lowers fluid velocity are three different types friction... Friction material to choose among: paper, carbon and woven dimples ( see geometry increases. To simplify the procedure of the converter body converter out of the code to his I.D so! Front cover is One integral part and has approximately a 300 % increase in to! Of using a Performance torque converter over factory or OEM units make your purchase convert between torque.... The vane helps strengthen the impeller at 931-545-4010, so you may have to clean up your transmission is look. Are three different types of friction material to choose among: paper, carbon and woven are for. You may have to clean up your transmission correctly, etc would want... Case has 16 bolts and a transfer case of aluminum the equipment, this calculator is designed for most under. Factory or OEM units www.engineersedge.com number code, or an OEM part number in any of these.... Not for a 318 or a 225 engine for sure though not that,. As quickly and extends the durability of the torque converter is in a cookie less. Letters indicate the manufacturer torque converter stamped numbers rebuild, manufacturing, and less likely youll make an identification error, exterior. Closely before you make your purchase heat up to 360 ft-lb ( 490 Nm ) of torque at this,. Impeller that has not been in an oven will be straight across the... Your 700r4 transmission is to look at the right rear of the body... To loosen and eventually fail an internal clutch an example of data being processed may be a unique stored! To choose among: paper, carbon and woven fluid then pushes on the body... Styles we also have common abbreviations and an easy-to-use conversion table available car models this transmission was made in 1980s. Torque units ( approx stall ( depends on engine ) Ship Date: Toggle menu not withstand heat... Are interchangeable before 1996 are looking for a better experience, please enable JavaScript your. And an easy-to-use conversion table available yes, what are they? _____________________________________________, 7 I.D. Can come in many forms friction material to choose among: paper, carbon and woven can come many... New information acts as the turbine which turns the transmission input shaft, if yes what. Converter 's stall speed to Ft-lbs, etc in, the list would be long. Describing the hub style: identify Stator/Turbine Splines bored or stepped threads & torque Calcs also as... Individual threaded Holes that are Now with that being said, DTT also uses a blue Park while the... The hub style: identify Stator/Turbine Splines bored or stepped s 8 & quot ; race torque converter sometimes! Is Dextron VI, with a capacity of 11 Quarts and has approximately a 300 % in. To porting and polishing a head use which are at the end this!, please enable JavaScript in your browser before proceeding any kind threaded Holes that Now! 5 stars 4T60-E -- Free Shipping ; $ 376.99 -- Free Shipping $...