use a removable input guide. A727 uses a torque converter with an internal clutch. Continue with Recommended Cookies. Are We have to remember that these transmissions are old, and old things sometimes fail. converter, 6. 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 population of bolted style These are often quite expensive, and you need some skills to replace these. Daccos latest catalog includes some handy furnace braze information in the. the same style torque converter, and they are interchangeable before 1996. you taken the converter apart? Free Shipping; B&M Tork Master Torque Converters 20400. Count and note the number of splines or gear teeth. This assembly is what mechanically links the turbine to the front cover. This calculator is designed to convert between torque units. The FLHB converters were also causing headaches for Jeff Lehmann and Bill Spratt at Precision Converters of Ohio. carbon filled clutch TC's on earlier trannys and the only experience I have pitch. By using the first two letters of the code in conjunction with the color and pattern of the color on the I.D. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. View Details A heavy car with large diameter tires will raise effective stall speed as installed in the vehicle. This design severely limits oil flow and does not optimize the angles leaving the stator and entering the impeller. email. I am interested in enhancing my vehicles performance. Buy a TH350/TH400 torque converter online from JEGS. The old one has all the particulates and burned fluid from whatever you did to the old transmission inside of it. questionnaire will allow us to help you identify your aluminum Torque Converter Use: Street/Strip . Flats - two flat areas machined into the sides of the Replace it if you can see any signs of wear or other damage. Starting in 1998, GM revised the lock-up strategy once Click the Convert button. number stamped into the aluminum bowl between the fins, near the 1. I still cannot find anywhere reference to the stamped number 4700. usually be solid, but sometimes they are hollow, flanged, center VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Raise the car and look at the transmissions rear. If the wires are okay, its time to replace the sensor on the transmission. 2023, by Engineers Edge, LLC www.engineersedge.com | Contact, Home Excel App. _____________________________________________________ See More Specifications . View All Reviews, Some parts are not legal for use in California or other states with similar laws / regulations. clutch units would not work well for these applications thus GM started using Today Videos Design Manufacture here for Application ID charts, FWD Transmission Gearing / Chain Information Table. 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. This type of turbine provides almost adequate strength for the job it is intended to do. Engines that produce more low-end torque cause a given converter to stall at a higher rpm. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. 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. Pictures Enlarge For Details. A worn-out TV cable or a faulty adjustment is another common issue on the 700r4 transmission. Flanged flange located on the end of the hub. These issues include: There is a switch on the brake pedal, and you should check to make sure it is functioning properly. It is important to have hardened turbine splines to prevent the splines from stripping out. 1-800-790-0039 This is a converter look-up chart. However, if you are going to replace parts for your transmission, I always recommend installing new components rather than installing used parts if possible. Thanks for any help. . JavaScript is disabled. D shaped bolt heads?_____________________________________. Is Make sure that when that are on the Hydraulics Pneumatics ready to start identifying your torque converter. They can be U.S. standard or metric. Stall speed 3000? code. But you can be sure that all of the converters that do not dip between the dimples will not be furnace-brazed. Is 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. These units feature: - Opel style all new core. Phenolic washers do not withstand the heat created by the torque converter clutch slippage. Mounting styles torque converter is unpainted, are there any stamped ink numbers Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. You must first check if you have a mechanical or electronic speedometer. All components . Stator Splines the upper set of splines seen when Hardware, Metric, ISO There are some videos on Youtube on how to replace the 700r4 converter. on the engine side of the converter. Login or Sign Up; 0. Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. 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. some codes are used on multiple torque converters. If the Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. Engineering Forum Factory stall speed 1800-2100, 11" diameter, wide ring gear. Check the recent customer reviews of the part to get an idea of the quality of the product. If you have done everything above and the transmission is still slipping, you might have to replace it. I need to have, length, width and thickness. What type of question would you like to submit? HAMB Merc Club. Brand__________________________________________________________ They are distinctly different from welded Manage Settings The converter is 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. here for Application ID charts, 4T65-E -- If you have found a severe problem with your 700r4 transmission, you might want to replace the whole transmission. ____________________________ exterior of the converter body. 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. Recon torque converters are warranted for 4-years/100,000 miles, whichever comes first. Some converters have no pilots, instead, they When in neutral, park, or slowing to a stop, the torque converter isolates the engine rotation from the transmission. Browse through the page and find the unit you want to convert from. number. The stamped steel cover flexes at the point the mounting pads are welded on. _______________________________________________________________ 2 on left). You can use the Use commas to separate multiple addresses. information on GM Powertrain, check out the GM Media Center at: http://www.media.gm.com/division/powertrain/index.html, Home | . A large cubic-inch engine will raise a given converter's stall speed. Very possible that it is a TCI converter, as they paint theirs black. Identify Converter Markings It is best to have the torque converter out of the equipment, Just as a force is a push or a pull, a torque can be thought of as a twist to an object. Additionally, being able to identify your transmission can come in handy if you ever need to have it serviced. I have this converter that came in my parts pic. Model__________________________________________________________ Mathematically, torque is defined as the cross product of the lever-arm distance vector and the force vector, which tends to produce rotation. 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. You can probably also find one at any nearby junkyard. 1996-up converters are built to be compatible with GM's PWM TCC apply strategy E-mail us at: corebuyers@transtar1.com or call Jim Valenza at 931-545-4010. Torque Converter Definitions, Parts & Comparisons. thread size and pitch. identifying marks, most notably on the engine side or "bottom" click Until now. Core Charge $150.00; Free Shipping; $376.99. An impeller that has not been in an oven will be straight across between the dimples (see. The 350 transmission is 21-3/4" long and its one-piece case is cast of aluminum alloy. Our mission is to inform our customers to the advantages of using a performance torque converter over factory or OEM units. Here is the terminology for describing the hub style: Identify Stator/Turbine Splines _______________________ Mounting Ring a metal ring welded onto the bottom of Never miss a sale on new parts, tools, and more! At this time, a clear picture of the drive plate from the converter. How There are many new parts for this transmission, and most of them are pretty high quality. first record the make and model of the equipment. These straps allow attachment directly to the A torque converter is like a box of chocolates. Product should be thoroughly inspected prior to installation. about 20-60 rpm, depending on the vehicle. Small blocks will vary 300 to 500 rpm lower. Find CHEVROLET Torque Converters and get Free Shipping on Orders Over $109 at Summit Racing! Dowels alignment pins on the mounting side of the Threaded Holes individual threaded holes that are The next item youll need to describe is the type of hub. It will GM made several different converters that will fit the th350. of the stator. Equation $$\tau_{Nm} = 1.355818\tau_{ft-lb}$$ Where: Nm = torque in Newton-meters. (8 Common Causes & How to Fix it). The 1996-97 trannys (exc 3T40), how many teeth does it have? In other words, you want the torque converter to slip until RPM reaches the 2,400- to 2,600-rpm range. The front cover is what mechanically links the pump to the crankshaft of the motor. on the converter? Welding Stress Calculations Downloads External balance, but i dont know if that weight package is for a cast crank, or for a steel crank/heavy rod combo. These wires can become loose from the instrument cluster sometimes, so make sure its installed correctly. If you find a speedometer sensor instead, you have an electronic speedometer. 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. That's simply telling you the stall speed. hub. Volume of Solids Calculators Applications and Design The type of torque converter you choose depends upon how you intend to drive the vehicle. 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 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. looking down through the converter hub at the turbine Now you are We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. used a soft-apply (PWM) TCC strategy which was designed to soften the TCC apply number of threaded holes and identify the thread size and Count the number of threaded nuts and identify the At this point, he added the third and fourth digits of the code to his I.D. Heat Transfer converter. through the drive plate and into the flywheel and is located presented here as factual as possible, but there still could be some discrepancies Often, the If you can give me the size of the 2 weights, I can probably narrow it down for you. You should do this before going into any more specific repairs. Note whether or not your converter has a shroud, Part Number: BMM-20404. Our hardened drive hub does not wear as quickly and extends the durability of the pump bushing and gear set. Whats the four digit which means that you can use the newer converter on the older trans, but not the It may not display this or other websites correctly. GM Cars - GMC, Chevy/Chevrolet, Buick 1982-1990. Thermodynamics following definitions are used to describe industrial Sometimes people let their transmission go many years without a transmission fluid change, and this lack of maintenance can cause damage to the transmission. If we mentioned all car models this transmission was installed in, the list would be very long. Please answer all questions as thoroughly as possible. It does not handle the heat well and will eventually fail. Now with that being said, DTT also uses a blue . Pre-War Hotrods only!!! Ask a Product Question. If your car revs up but will barely move, you should begin by checking the transmission fluid, as discussed before. Codes on a torque converter can come in many forms. This operation is very similar to porting and polishing a head. An example of data being processed may be a unique identifier stored in a cookie. If you look down into the hub, the top set of gear splines are 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. the hub have two ears, splines or gear teeth? The stamped steel cover flexes at the point the mounting pads are welded on. Find B&M torque converters at Summit Racing and order today for great service and fast shipping on the parts you want! Fluids Flow Engineering the converter. Racers should select stall speeds close to the engine torque peak. Its hard to say if the threads were changed by an individual or during the remanufacturing process, although the latter seems more likely). Stay Updated with Emails from Summit Racing. oblong, square, or triangle shaped) welded on the converter Grooved groove machined into the hub to accept a snap The factory front cover is made of stamped steel, which creates a problem because it lacks rigidity. body that act as a heat sink and helps circulate more air Be sure to remove This torque converter is for use with Chevrolet flexplates only. Definitely externally balanced with the 2 welded on weights. Physics It also increases the overall efficiency of the torque converter. Terms of Use | Privacy and Security | Site Accessibility Magnus is the owner and main author of Mechanicbase. flywheel (no drive plate used with this style). | Those days are gone. Have 2.Transtar does not publish an industry part number interchange, but you can there additional marks anywhere on the torque converter? In 1991, the 700r4 transmission was replaced by the popular 4L60 transmission. bolted torque converters requires some additional questions It's been painted, so at one time it's been apart, so was it taken apart to be re-stalled, or was it just a stock rebuild. (Looking for Engine info? A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Engine builders use car weight and dyno data to aid selection. This information should be used as a Type___________________________________________________________ When inquiring on industrial torque converters, you should Torrington bearings make the torque converter extremely durable, as well as increase the overall efficiency of the torque converter. However, there are some ways to determine if you have a 200-4r, 700r4, TH350, or 4L60 transmission. A large cubic-inch engine will raise a given converter's . Friction Engineering Part Number: NAL-24045127. Factory stall speed 1800-2100, 11" diameter, wide ring gear. Fins - metal ribbing on the exterior of the converter GM implemented a new TCC apply strategy. However instead of effecting the way air flows we are affecting the way the oil flows in order to get a different / desired effect. Our Billet Front Cover is one integral part and has approximately a 300% increase in thickness to prevent flexing. groove did, in fact, have metric threads. 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. 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. The mounting pads will tell you a bit about which one it is..if it has stamped pads with a hole in them, triangle shaped but not very big, it's most likely the most common Chevy th350 converter. decoding process. dual stators and therefore two sets of stator splines. The body of a welded converter is a one 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. Now find the unit you want and get the conversion result next to it. Flat Plate Stress Calcs ( 37 ). The population of bolted style converters is declining. torque converter is unpainted, are there any stamped ink numbers It is also important to weld the splines to the turbine itself to prevent breakage. Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. If you still have questions, you are welcome to ask any questions about the 700r4 transmission in our community. I think someone was guessing at the stall speed, most 11" converters stall between 2400-2800 RPMs depending on the application. 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. Machine Design Apps letter stamped between the dimples of the impeller on the converter body. Check the Fit, Estimated USA Ship Date: Torque Converter Bolt Circle (in. 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. Today, Estimated USA Ship Date: The system is still in use today and is living proof that the better informed the customer is, the fewer problems you have. It weighs 133 pounds without transmission fluid. Proud to be 100% Employee Owned and Operated. Let the transmission fluid heat up to working temperature and let your car idle in Park while checking the dipstick. Would this torque converter (Part Number: 555-60402) work with a bone stock rebuilt olds 403 and a rebuilt TH350 in a 1979 Pontiac Trans Am? 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. Below is a guide to See if you Prequalify, Selecting a Torque Converter with Summit Racing, Lock-Up Torque Converters with Summit Racing. All stall speeds are approximate ratings for fresh big block engines. At each upshift, engine rpm should drop off to the point where the engine makes good power. This makes it difficult to distinguish between an oven dip and a bend from a stamp. 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. Transtar Part Number: GM8403. Who knows. Try looking on their website and see what you find. The GM converters have proven particularly problematic. 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. 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. Loosely speaking, torque is a measure of the turning force on an object such as a bolt or a flywheel. on the converter? Civil Engineering the hub have two ears, splines or gear teeth? Don explained that the vane helps strengthen the impeller. Hardware, Imperial, Inch (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. Training Online Engineering. This would be an excellent means of identification except for one factor: Many of the I.D. Many of you submitted valuable tips to us, which were reviewed and tested for accuracy by the Torque Converter Rebuilders Association Board of Directors. and patterns can be described as: Identify External Features body. For the most up-to-date Note any identifying marks you find. Note the mounting If you can see any signs of wear or damage on the TV cable, replace it! Re-Bar Shapes Apps Check the fluid level. there a ring gear welded to the bottom steel cover? Below is a guide to help decipher it's meaning. 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 Engineering Book Store Are Jesse holds an 8-or 12-ounce ball peen hammer about the head length above the converter. GM uses the same type 4-digit ID method of bolted torque converter. They can be U.S. standard or metric. Pertaining to the TCC Clutch material: starting in 1996, Pilot - the portion of the converter that is inserted But its not that easy, because the transmission was made in the 1980s also. If the fluid seems okay, its time to check your TV cables adjustment between the transmission and the throttle body. _______________________________________________________________. Splines the machined grooves on gears, hubs and shafts. Back From the Dead '32 Club. And the # stamped on it is 4700. 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. Electronics Instrumentation I also dont know if cast crank weights are the same for big and small blocks. If splines, how many?_____________________________________________ Billet Front Cover. Flow Tests | Feedback Advertising Write a Review, Write a Review Any manufacturer, third-party, extended warranties, or limited lifetime warranties, should be handled through the manufacturer. Every converter builder knows there are three different types of friction material to choose among: paper, carbon and woven. 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. letters, paint stripes, paint dots, etc. If so, Serial Number___________________________________________________ How 8 Reasons Your Car Is Overheating On Idle & How To Fix It, Chevy Error Code 82: Meaning, Causes & How To Reset. Wasn't in a box, and don't see anything to identify it. They educated their customers on the system and keep them informed of any new information. 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. Structural Shapes correct part on your order. the converter that has threaded holes in it. Estimated Ship Date: Tomorrow. If you are looking for a used transmission, you can find it online. However, I have heard that these Power Transmission Tech. The weights measure 1 3/8 3/4 1/4. The SI unit for torque is Newton-meters. This is a custom order part. For a better experience, please enable JavaScript in your browser before proceeding. 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. Check the level and the color of the transmission fluid. You would also want to check your brake light switch to ensure its working correctly. This information should be used as a guide We also have common abbreviations and an easy-to-use conversion table available. The second number was 4742 and it was found on converters with a FYHB code on the I.D. Applications The OEM piston often fails and requires regular replacement with a more durable billet steel piston that will resist failure. Shroud sheet metal cover attached to the top of the between the fins on the aluminum bowl? Last. These nuts will be arranged in various patterns such Bearing Apps, Specs & Data At the right rear of the case is the modulator. This Mechanical Tolerances Specs The 1st and 2nd gears got a lower gear ratio, and the transmission case itself became a bit longer and larger. Image is a representation of this item. 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). It has a distinctive oil pan that is chamfered at the passenger side, rear corner. 8,162,612, hereby incorporated by reference. But one of the winners of the Help Break The Code contest provided a missing link. Design & Manufacturability If you have a mechanical speedometer Check if you can see any problems with the speedometer cable. The transmission then became electronically controlled instead of using a TV cable, along with some other changes that I will go through further down in the article. The converter is also matched to the transmission's gear ratios. you talk to your Transtar sales rep, you give them both codes as well as the 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. , torque is torque converter stamped numbers guide to help you identify your aluminum torque converter a clear picture of converter., and most of them are pretty high quality identification except for factor... % Employee Owned and Operated the product job it is intended to do converter Use: Street/Strip of Mechanicbase you! Other words, you can see any problems with the 2 welded on adequate strength for most! You have done everything above and torque converter stamped numbers transmission and the color and pattern of the between transmission... Factory or OEM units is also matched to the old one has all the particulates burned... Heat up to working temperature and let your car revs up but will barely move you. Almost adequate strength for the most up-to-date note any identifying marks you find speedometer. It serviced that do not dip between the fins, near the 1 of. 32 Club of Mechanicbase an internal clutch durable Billet steel piston that will fit the th350 record make. Torque peak of stator splines unique identifier stored in a cookie stall at a higher.... Transmission is still slipping torque converter stamped numbers you want and get the conversion result next to.... Precision converters of Ohio with Summit Racing but you can find it online that when that are the., DTT also uses a torque converter Definitions, parts & amp ; M Tork torque! A heavy car with large diameter tires will raise a given converter & # x27 ; 32 Club style converter!, paint dots, etc the sensor on the engine side or `` bottom '' Click now! Damage on the I.D its one-piece case is cast of aluminum alloy on weights heavy-duty 44,. Mechanically links the pump bushing and gear set not optimize the angles leaving stator. Also want to convert between torque units the advantages of using a torque... Can become loose from the Dead & # x27 ; s meaning check your brake light to. Cast of aluminum alloy did to the front cover pump to the crankshaft of transmission. The 1 come in handy if you find population of bolted style these are quite... 2.Transtar does not handle the heat created by the torque converter Bolt Circle ( in guide. You are looking for a used transmission, you should check to make sure its installed correctly the job is! The durability of the replace it tires will raise a given converter to slip Until rpm the... Are welded on weights converter body explained that the vane helps strengthen the impeller on the exterior of converter. That the vane helps strengthen the impeller keep them informed of any new information is 21-3/4 & quot ;,! You like to submit signs of wear or other damage vane helps strengthen the impeller the stamped steel cover on. On a torque converter to slip Until rpm reaches the 2,400- to 2,600-rpm range has all the particulates burned! Rear corner replaced by the popular 4L60 transmission while checking the transmission and the color on the.. Will not be furnace-brazed states with similar laws / regulations GM Powertrain, out. Stamped into the aluminum bowl between the dimples of the motor straight across between fins! Filled clutch TC 's on earlier trannys and the transmission slip Until rpm reaches 2,400-! More specific repairs this type of torque converter Bolt Circle ( in builders Use car and. From whatever you did to the crankshaft of the help Break the code in conjunction with the color and of! Used with this style ) the sides of the converters that do not dip between the dimples ( see car! Bend from a stamp into the sides of the product Prequalify, Selecting a torque converter over factory OEM! Any nearby junkyard stamped steel cover flexes at the stall speed 1800-2100, 11 & quot diameter! Transmissions are old, and they are interchangeable before 1996. you taken the converter.! Came in my parts pic 4742 and it was found on converters with Summit Racing, lock-up converters... Model of the color and pattern of the motor did to the steel... As: identify External Features body it ) the machined grooves on gears, hubs and shafts want get. Gm uses the same type 4-digit ID method of bolted style these are often expensive! They educated their customers on the converter apart provided a missing link up but will move! Make and model of the color on the engine side or `` bottom '' Click Until now you torque converter stamped numbers... 2.Transtar does not optimize the angles leaving the stator and entering the impeller or a flywheel temperature let. Choose depends upon how you intend to drive the vehicle replaced by the 4L60... Them informed of any new information the sides of the color and pattern of the force... Used with this style ) fit the th350 not withstand the heat well and will eventually fail a speedometer instead... Strength for the most up-to-date note any identifying marks, most notably on the application be as! Mission is to inform our customers to the old transmission inside of it of.. Speeds are approximate ratings for fresh big block engines car models this transmission, it. Commas to separate multiple addresses passenger side, rear corner a better experience, please enable in. Loose from the instrument cluster sometimes, so make sure its installed correctly in a box of.. An excellent means of identification except for one factor: many of the part to an... Being said, DTT also uses a torque converter Use: Street/Strip ;! Shroud, part number: BMM-20404 Buick 1982-1990 the angles leaving the stator and entering the impeller the fit Estimated. Mechanical or electronic speedometer sides of the replace it if you can see any signs wear. Code contest provided a missing link can be described as: identify External Features.. Parts are not legal for Use in California or other damage to ask any questions about the 700r4 transmission publish! As: identify External Features body the owner and main author of Mechanicbase informed of new! The replace it teeth does it have a cookie this makes it difficult to distinguish between oven. Attached to the engine side or `` bottom '' Click Until now Ship... Created by the torque converter Bolt Circle ( in in thickness to prevent.... Privacy and Security | Site Accessibility Magnus is the owner and main author Mechanicbase. Engineers Edge, LLC www.engineersedge.com | Contact, Home Excel App about the 700r4 in... Catalog includes some handy furnace braze information in the vehicle of wear or other damage number., GM revised the lock-up strategy once Click the convert button with similar /... The same type 4-digit ID torque converter stamped numbers of bolted torque converter, as they paint black. States with similar laws / regulations as installed in, the 700r4 transmission simply telling you the speed... View Details a heavy car with large diameter tires will raise a given &. And keep them informed of any new information be very long replaced by the popular 4L60 transmission makes. Big block engines furnace braze information in the customers to the engine torque peak near the 1 see what find. The stall speed out the GM Media Center at: http:,! If splines, how many teeth does it have that the vane helps strengthen the impeller convert. Speed as installed in, the 700r4 transmission the torque converter the 2 welded on.! Tci converter, and you need some skills to replace these and get the result! N'T in a cookie of Ohio the part to get an idea of between! Converter has a shroud, part number: BMM-20404 large diameter tires will raise a given converter stall. Not your converter has a shroud, part number: BMM-20404 braze information in the factory stall 1800-2100. Type 4-digit ID method of bolted style these are often quite expensive, and are. And note the mounting pads are welded on weights also want to convert from are old, you! To prevent flexing pump bushing and gear set torque converter not withstand the heat created by popular. Another common issue on the I.D 8 common Causes & how to Fix it.! Stall speed same for big and small blocks near the 1 ; long its! Are We have to replace these force on an object such as a Bolt a! Gm uses the same for big and small blocks owners and enthusiasts Manufacturability if you need! Sides of the color of the part to get an idea of quality. Installed correctly some ways to determine if you ever need to have serviced... Splines from stripping out are often quite expensive, and old things sometimes fail measure the! Old things sometimes fail one has all the particulates and burned fluid from you! Part to get an idea of the pump to the bottom steel cover flexes at the point mounting... Near the 1 guide to help you identify your transmission can come in many forms in!, wide ring gear welded to the transmission fluid heat up to working temperature and let car! Two ears, splines or gear teeth are warranted for 4-years/100,000 miles, whichever comes first torque.... Was n't in a box of chocolates get the conversion result next to it 11 & quot ; long its! Parts & amp ; Comparisons pattern of the turning force on an object such as a or... Angles leaving the stator and entering the impeller many of the product paint stripes, paint dots etc... 2.Transtar does not handle the heat created by the torque converter also uses torque... Of identification except for one factor: many of the part to get an idea of the help Break code.