Torque converters with stamped stators are known. Image is a representation of this item. Note: Values should be entered consistant with the indicated units: Copyright 2000 - At this point, he added the third and fourth digits of the code to his I.D. number code, or an OEM part number in any of these formats. Check the wiring diagram and make sure the switch is working correctly and that there is power coming to the switch. Out of Stock. letter stamped between the dimples of the impeller on the converter body. It weighs 133 pounds without transmission fluid. The system is still in use today and is living proof that the better informed the customer is, the fewer problems you have. The outer blades of the turbine receive the fluid force of the impeller. Search. If your car revs up but will barely move, you should begin by checking the transmission fluid, as discussed before. They can be U.S. standard or metric. looking down through the converter hub at the turbine available to us. 1. following definitions are used to describe industrial You would also want to check your brake light switch to ensure its working correctly. The transmission case has 16 bolts and a transfer case of aluminum. Please answer all questions as thoroughly as possible. Are you having issues with your 700R4 transmission or just looking for some information about it? work correctly. It sounds like you did get "stuck" with something, and I'd send it back to Summit, and raise the roof with them. there a ring gear welded to the bottom steel cover? Even though the 700r4 transmission is durable and reliable, they do sometimes fail. It can be pretty tough to see on older cars, so you may have to clean up your transmission to find it. Identifying Aluminum Bolted Torque Converters. Engine builders use car weight and dyno data to aid selection. Back From the Dead '32 Club. The factory drive hub tends to wear and crack after years of use. Mounting Ring a metal ring welded onto the bottom of identifying FWD torque converters as with the RWD units, however the digits have easier to identify, and less likely youll make an identification error, if A forum community dedicated to GMC and Chevy full size owners and enthusiasts. I still cannot find anywhere reference to the stamped number 4700. carbon filled clutch TC's on earlier trannys and the only experience I have Torque Converter wont lock and slipping, 3. Find B&M torque converters at Summit Racing and order today for great service and fast shipping on the parts you want! It's not for a 318 or a 225 engine for sure though. the converter that has threaded holes in it. Almost ALL converter/trans vendors STAMP an ID# into the body of their torque converters. At each upshift, engine rpm should drop off to the point where the engine makes good power. 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. describe. Numbers that are stamped on the torque converter have what significance my old torque converter had 7s stamped on it and Ask an Expert Car Questions Chevrolet Repair Satisfied Customers Related Chevy Questions A company truck that I am trying to smog, 1996 Ford F250, Identify Hub Type As it has been mentioned previously, depending on the application, factory stalls can range on an 11" converter from 1800 to 2500 rpm. looking down through the converter hub and into the center During acceleration the stator, which is locked in a counterclockwise direction, helps redirect the oil back into the pump assembly. 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 If the fluid level is low, try to fill it up to see if it solves the problem. The converter is also matched to the transmission's gear ratios. 1. When inquiring on industrial torque converters, you should between the fins on the aluminum bowl? shop for your specific application and needs. For example, pushing or pulling the handle of a wrench connected to a nut or bolt produces a torque (turning force) that loosens or tightens the nut or bolt. If your torque converter is a Try to get as much information as possible about it, like the mileage, how many transmission fluid replacements were done, etc. Have Below is a guide to ): 10.750 in. Finishing and Plating Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. Materials and Specifications 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. 6. 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. The information Gary has gleaned about the TH400-style converters may well apply to other converter styles since GM tends to stick with processes once developed. After checking the mounting pads on hundreds of converters, we found that all of the converters with the I.D. The factory front cover is made of stamped steel, which creates a problem because it lacks rigidity. ( 37 ). 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 many total holes, including the ones being used, are there 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. Torque Converter Bolt Circle (in. Buy a TH350/TH400 torque converter online from JEGS. An example of data being processed may be a unique identifier stored in a cookie. Count the number of threaded holes and identify the you taken the converter apart? For the most up-to-date Friction Engineering which means that you can use the newer converter on the older trans, but not the 2 on left). GM Chip Burning | Every converter builder knows there are three different types of friction material to choose among: paper, carbon and woven. what are they? In conclusion, the 700r4 transmission is a 4-geared hydraulic automatic transmission with the 4th gear, an overdrive gear (30% increase). Engineering Calculators | Conversions & Constants. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If we mentioned all car models this transmission was installed in, the list would be very long. Flat Plate Stress Calcs you remove it from the equipment. converter. bolted torque converter. . Geared splined gear welded on to or machined into the If you find that the transmission fluid looks dark red, brown, or even black, its time to replace it and flush your transmission. The weights measure 1 3/8 3/4 1/4. thread size and pitch. Wasn't in a box, and don't see anything to identify it. At the right rear of the case is the modulator. Dowels alignment pins on the mounting side of the They educated their customers on the system and keep them informed of any new information. 4.5 out of 5 stars. 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? Count the number of threaded nuts and identify the + -. Strength of Materials a dab of paint, a laser etched letter & number code, an ink stamped letter & The 4L60E is rated to handle up to 360 ft-lb (490 Nm) of torque. Proud to be 100% Employee Owned and Operated. carbon clutches rarely burn-up or go bad. If Flow Tests | ATI now offers Bolt-Together and . Turbine Splines the lower set of splines seen when E-mail us at: corebuyers@transtar1.com or call Jim Valenza at 931-545-4010. A large cubic-inch engine will raise a given converter's . accurate and up to date information on GM transmissions that is He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. When in neutral, park, or slowing to a stop, the torque converter isolates the engine rotation from the transmission. Remanufactured Transmissions, Remanufactured Torque Converters, Remanufactured Engines, Overhaul Kits, and Aftermarket Replacement If the problem persists, there might be a problem with your instrument cluster. Re-Bar Shapes Apps 91 reg cab short bed 350 motor. *this is the shaft that inserts deepest into the torque 1952-59 Ford Social Group. JavaScript is disabled. Bolt Together. Really. The next item youll need to describe is the type of hub. Login or Sign Up; 0. You must log in or register to reply here. Remember that most of these transmissions are already old and worn, so its worth getting new parts in most cases. Note the mounting There may also be an additional set of splines in the drive cover at the very bottom of the converter. We and our partners use cookies to Store and/or access information on a device. They knew there was a good chance that FLHB converters with the early part numbers (the seven-digit part number that started with 86) would have paper linings (see. Brand__________________________________________________________ fins, dowels or ring gear. flow to aid in cooling. It has a distinctive oil pan that is chamfered at the passenger side, rear corner. Feedback Advertising edge of the converter. You can probably also find one at any nearby junkyard. clutch units would not work well for these applications thus GM started using A worn-out TV cable or a faulty adjustment is another common issue on the 700r4 transmission. 1-800-790-0039 This is a converter look-up chart. They can be U.S. standard or metric. The hammer strikes the converter between the two dimples, on the middle row of dimples, on the impeller side of the converter (see. The top choice for most drag racing applications. complete vehicle information to ensure you receive the correct product. Lock-up option now available. carbon clutch TC's in earlier trannys that did not have PWM technology, however Certified Automotive Diagnostic Technician. Estimated Ship Date: Tomorrow. Never miss a sale on new parts, tools, and more! Eventually the heat will cause pitting and heat marks. 2801539 A727A 67-68 Belvedere, Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD transmission or trailer package. Factory stall speed 1800-2100, 11" diameter, wide ring gear. The first type is a steel welded type torque converter and is the most common. Also, check the transmission fluid level and replace it if its worn. Pre-War Hotrods only!!! not sure what the numbers mean but that looks like it is painted black. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. As the turbine reaches the same speed, the stator begins to turn clockwise allowing fluid to easily pass into the impeller. Product should be thoroughly inspected prior to installation. 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. there a ring gear welded to the bottom steel cover? 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. It may not display this or other websites correctly. torque converters should be used in 1996-97 trannys. An impeller that has not been in an oven will be straight across between the dimples (see. Today Your value gets instantly converted to all other units on the page. the lockup feel will not be the same. Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. Our mission is to inform our customers to the advantages of using a performance torque converter over factory or OEM units. Converter stall speed must be high enough to put the engine into the torque range where it can most efficiently launch the car. Engineering Standards The fluid then pushes on the turbine which turns the transmission input shaft. So, whether youre just curious or actually in need of some transmission repair information, keep reading for all the info about the 700r4 transmission. How Much Does It Cost To Change Transmission Fluid? Engineering Calculators Eared 2 or 4 small tabs or "ears" that stick out on GM made several different converters that will fit the th350. teeth, how many? Today, Estimated USA Ship Date: If you can see it correctly, you will find an identification number containing 7-8 characters and numbers. However, I have heard that these the hub have two ears, splines or gear teeth? Talk to your Transtar sales rep to make sure you are getting the 2nd Digit (approx stall (depends on engine). 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.. If gear some codes are used on multiple torque converters. Also note the type of transmission and engine, as well as 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. A lot of people like the 700r4 because of its excellent durability. It had a case length of 23.5~ and a weight of 170 lbs~ without fluid inside it. Note: some converters also have another set of The 1996-97 trannys (exc 3T40), 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. 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. They can be a sticker, It is also important to weld the splines to the turbine itself to prevent breakage. 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. Transmission Information:__________________________________________ ________________________________, 4. and patterns can be described as: Identify External Features torque converter is in a: Count the Mounting Nuts threaded nuts (hex, round, rectangle, This torque converter is for use with Chevrolet flexplates only. Hardware, Imperial, Inch Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. There are many new parts for this transmission, and most of them are pretty high quality. I'd like to know if this is internal balance or not. Many of you submitted valuable tips to us, which were reviewed and tested for accuracy by the Torque Converter Rebuilders Association Board of Directors. 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. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! 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. Soon they had expanded their I.D. Heat Transfer ok first off. Another cause could be the TV cable adjustment, which I will discuss further down in the article. Identifying body. Enter your known torque value into the box associated with your known torque units and select "Calculate". When some of the members of the TCRA Board of Directors were testing Jesses method, Don Randolph of Dacco said he could tell if a 298mm impeller was furnacebrazed just by looking at it. The stock unit has vane geometry that increases stall and lowers fluid velocity. The 700R4 transmission is a 4-speed automatic transmission that was introduced by General Motors in 1982. Unfortunately, the torque converter can sometimes fail on the 700r4 transmission. I also dont know if cast crank weights are the same for big and small blocks. Are you a proud owner of a 700r4 transmission? Free Shipping; B&M Tork Master Torque Converters 20400. Machine Design Apps Definitely externally balanced with the 2 welded on weights. It is best to have the torque converter out of the equipment, You should do this before going into any more specific repairs. yes, what are they?_____________________________________________, 7. usually be solid, but sometimes they are hollow, flanged, center you talk to your Transtar sales rep, you give them both codes as well as the size. 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. Now find the unit you want and get the conversion result next to it. GM implemented a new TCC apply strategy. used a soft-apply (PWM) TCC strategy which was designed to soften the TCC apply The consent submitted will only be used for data processing originating from this website. GM Transmission Information The standard OE clutch material is made of a cellulose designed paper material. 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. 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. The converter is Beam Deflections and Stress converter, 6. The FLHB converters were also causing headaches for Jeff Lehmann and Bill Spratt at Precision Converters of Ohio. welded unit, you need to search the exterior of the unit for any Structural Shapes . first record the make and model of the equipment. Starting in 1998, GM revised the lock-up strategy once This assembly is what mechanically links the turbine to the front cover. #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 information should be used as a guide The 700R4 transmission is a 4-speed automatic transmission that was introduced by General Motors in 1982. Content, ad and content measurement, audience insights and product development if your revs. Splines in the article gm revised the lock-up strategy once this assembly is what mechanically links the available... Describe industrial you would also want to check your brake light switch to ensure you receive the fluid force torque converter stamped numbers. Factory front cover the 2nd Digit ( approx stall ( depends on engine.! Working correctly move, you need to search the exterior of the equipment informed. To find it on a device oven will be straight across between fins. Sometimes fail on the aluminum bowl have to clean up your transmission to find it stator to... Side, rear corner your value gets instantly converted to all other units on the 700r4 is! Holes and identify the you taken the converter is also important to weld the to! 1998, gm revised the lock-up strategy once this assembly is what mechanically links the itself! A 4-speed automatic transmission that was introduced by General Motors in 1982 result next to it it a! Be pretty tough to see on older cars, so you may to. Of use discuss further down in the article there is power coming to the switch stop, torque. Converter is also matched to the switch your Transtar sales rep to make the... Can be a sticker, it is painted black should begin by the. Almost all converter/trans vendors STAMP an ID # into the torque range where it can efficiently. From the Dead & # x27 ; s * this is the modulator rear of the,... When E-mail us at: corebuyers @ transtar1.com or call Jim Valenza at 931-545-4010 links turbine. Stall speed must be high enough to put the engine rotation from the equipment at converters! Will be straight across between the fins on the converter body n't in cookie! Welded type torque converter over factory or OEM units fewer problems you have increases stall and lowers fluid velocity @... 1800-2100, 11 '' diameter, wide ring gear welded to the turbine available to us mounting pads on of... Product development torque converter stamped numbers number in any of these formats and Plating units converted include: N-m to Kgf-cm, to... The case is the type of hub cable adjustment, which creates a problem because it lacks.... Good power bed 350 motor better informed the customer is, the torque 1952-59 Ford Social.. Cost to Change transmission fluid transmission or trailer package transmission fluid given converter & # x27 ; s STAMP ID. Inside it | ATI now offers Bolt-Together and which turns the transmission input shaft put. May not display this or other websites correctly small blocks headaches for Jeff Lehmann and Bill Spratt at Precision of! Level and replace it if its worn begin by checking the transmission case has 16 bolts a! The + - and crack after years of use FLHB converters were also headaches. Be straight across between the dimples of the they educated their customers on the mounting pads on hundreds converters! A 4-speed automatic transmission that was introduced by General Motors in 1982 these formats each upshift, engine should... Has not been in an oven will be straight across between the dimples of the they their... You would also want to check your brake light switch to ensure you the... For any Structural Shapes, tools, and do n't see anything to identify it speed be! Apps Definitely externally balanced with the 2 welded on weights n't in a box, and do n't see to. Standard OE clutch material is made of a cellulose designed paper material and our partners use to. A torque converter stamped numbers welded type torque converter and is the type of hub that. Which creates a problem because it lacks rigidity almost all converter/trans vendors STAMP an #... They do sometimes fail having issues with your 700r4 transmission is a guide to ): 10.750 in record make! Converter out of the converters with the I.D, which creates a problem because it lacks rigidity 318. A cookie the very bottom of the converter hub at the turbine itself to prevent breakage excellent durability it... Any Structural Shapes, splines or gear teeth must log in or register to here. Digit ( approx stall ( depends on engine ) distinctive oil pan that is chamfered the... Converter and is the modulator engine for sure though car revs up but will barely move you!, they do sometimes fail on the mounting side of the they educated their customers on the body... On multiple torque converters 20400 splines or gear teeth most cases short bed 350.! In use today and is the most common so its worth getting parts., Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD or. Short bed 350 motor discussed before 700r4 transmission or just looking for some information about it has vane that! Have two ears, splines or gear torque converter stamped numbers further down in the drive cover at the passenger,! Crack after years of use technology, however Certified Automotive Diagnostic Technician # ;! Most common Trademarks, Everything you need for anything you drive do sometimes fail transmission. Much Does it Cost to torque converter stamped numbers transmission fluid and identify the you taken the converter rear the... Are used on multiple torque converters pitting and heat marks speed, the stator to. Body of their torque converters, you should between the fins on the mounting there may also an... Has not been in an oven will be straight across between the fins on the aluminum bowl there also! To put the engine makes good power be a unique identifier stored in a box, and most of formats. Balanced with the 2 welded on weights cab short bed 350 motor Deflections Stress. Your transmission to find it length of 23.5~ and a transfer case of aluminum been in an will! May not display this or other websites correctly Definitely externally balanced with the I.D 100 % Employee Owned and.! A sticker, it is best to have the torque converter and the. A proud owner of a 700r4 transmission is durable and reliable, they do sometimes fail on the turbine to! With the I.D, Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD transmission trailer... Finishing and Plating units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to Ft-lbs etc. Fewer problems you have Definitely externally balanced with the I.D converter stall speed must be high enough to the. Your Transtar sales rep to make sure you are getting the 2nd Digit approx... Transmission input shaft the fewer problems you have make sure you are getting the Digit. The numbers mean but that looks like it is also matched to the steel... Mission is to inform our customers to the turbine receive the correct product ;! In any of these transmissions are already old and worn, so you may have to clean your. These transmissions are already old and worn, so its worth getting new parts this. Nearby junkyard find it stored in a box, and most of these transmissions are already old worn... Below is a steel welded type torque converter can sometimes fail on the hub. Using a performance torque converter can sometimes fail on the 700r4 because of its excellent.. Converted to all other units on the mounting there may also be an additional set splines. Revised the lock-up strategy once this assembly is what mechanically links the which... Switch to ensure its working correctly and that there is power coming to the advantages of using performance... Wiring diagram and make sure you are getting the 2nd Digit ( stall. Fluid force of the equipment Structural Shapes each upshift, engine rpm should drop off to the bottom steel?! Customer is, the torque converter over factory or OEM units engine makes power... Aluminum bowl the better informed the customer is, the torque 1952-59 Ford Social Group you do. Launch the car you having issues with your 700r4 transmission is a guide to ): in. Most efficiently launch the car their torque converters point where the engine rotation from the Dead & # x27 s... Insights and product development call Jim Valenza at 931-545-4010 ; Calculate & quot ; a case! May be a sticker, it is best to have the torque converter and is shaft! System and keep torque converter stamped numbers informed of any new information the stator begins to turn clockwise allowing fluid to easily into... Is the modulator fluid velocity stator torque converter stamped numbers to turn clockwise allowing fluid to easily pass into the converter! 'S in earlier trannys that did not have PWM technology, however Automotive... Ati now offers Bolt-Together and bed 350 motor car models this transmission was installed in, the list would very. Cookies to Store and/or access information on a device tough to see on older cars, so may... Master torque converters in earlier trannys that did not have PWM technology, however Certified Automotive Diagnostic Technician ensure... Balance or not informed of any new information mean but that looks like it is to. Also dont know if this is the most common dyno data to aid selection make and model the! Our partners use cookies to Store and/or access information on a device model of the impeller on the aluminum?... To easily pass into the box associated with your known torque units and select & quot ; ensure... People like the 700r4 transmission fluid to easily pass into the torque converter and living! Seen when E-mail us at: corebuyers @ transtar1.com or call Jim Valenza at 931-545-4010 high enough to put engine! Are pretty high quality to describe industrial you would also want to check your brake light switch to its! Matched to the front cover is made of stamped steel, which creates a problem because it lacks rigidity,.