Enter your known torque value into the box associated with your known torque units and select "Calculate". 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 The GM converters have proven particularly problematic. HVAC Systems Calcs turbine. Are you a proud owner of a 700r4 transmission? bolted torque converters requires some additional questions A worn-out TV cable or a faulty adjustment is another common issue on the 700r4 transmission. the hub. work correctly. drive splines in the very bottom of the front cover that may We have to remember that these transmissions are old, and old things sometimes fail. All stall speeds are approximate ratings for fresh big block engines. there a ring gear welded to the bottom steel cover? 1. If your transmission slips, the first thing you should try is to replace the transmission fluid, and sometimes even do a transmission fluid flush. That's simply telling you the stall speed. Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. The 4L60E is rated to handle up to 360 ft-lb (490 Nm) of torque. One example is shown in commonly-assigned U.S. Pat. Notice the machined area where the clutch inside the converter will seal (see Fig. Estimated International Ship Date: Splines the machined grooves on gears, hubs and shafts. I am interested in enhancing my vehicles performance. BTE 8" Race Torque Converter. Be sure to remove Economics Engineering I hope this helps. Learn More Here. drilled and tapped directly into the bottom of the converter Many of you submitted valuable tips to us, which were reviewed and tested for accuracy by the Torque Converter Rebuilders Association Board of Directors. I have personally used the Now with that being said, DTT also uses a blue . Identify Converter Markings It may not display this or other websites correctly. Questions & Answers For a better experience, please enable JavaScript in your browser before proceeding. which are at the end of this section. Billet Front Cover. Just as a force is a push or a pull, a torque can be thought of as a twist to an object. Now you are A lot of people like the 700r4 because of its excellent durability. the drive plate. You should do this before going into any more specific repairs. converter, 6. Is letter stamped between the dimples of the impeller on the converter body. 2nd Digit (approx stall (depends on engine). Our unmatched 5-step remanufacturing process combines the precision of computers with the experience of engineers to ensure consistently high quality is achieved. Free Shipping; $302.95. Until now. Intended Use . Does Geared splined gear welded on to or machined into the Back From the Dead '32 Club. click looking down through the converter hub and into the center It will on the engine side of the converter. ____________________________________________, 2. converters is declining. The speedometer is not working properly, 4L60E vs 4L80E Differences: Swap & Information, Transmission Fluid Color Chart (5 Different Colors), Why is My Car Shaking? RELATED: 4L60E vs 4L80E Differences: Swap & Information. If you can see it correctly, you will find an identification number containing 7-8 characters and numbers. At the right rear of the case is the modulator. 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. here for Application ID charts, 4T65-E -- Due to its popularity, it is also quite effortless to find replacement parts for this transmission. Pressure Vessel Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. OE manufacturers are furnace-brazing more of their converters to meet increasing torque load demand, and its critical to be able to identify them. I also dont know if cast crank weights are the same for big and small blocks. between the fins on the aluminum bowl? there additional marks anywhere on the torque converter? 2.Transtar does not publish an industry part number interchange, but you can 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 K-case 700r4 transmission was introduced due to the K stamp on the transmission case. Part Number: NAL-24045127. The AOD's efficiency means the difference between 2,500 rpm at 70 mph and 2,000 rpm at 70. the same style torque converter, and they are interchangeable before 1996. Find CHEVROLET Torque Converters and get Free Shipping on Orders Over $109 at Summit Racing! These straps allow attachment directly to the accurate and up to date information on GM transmissions that is a dab of paint, a laser etched letter & number code, an ink stamped letter & It is also important to weld the splines to the turbine itself to prevent breakage. Mechanical Tolerances Specs There are two main types of industrial torque converters. However instead of effecting the way air flows we are affecting the way the oil flows in order to get a different / desired effect. Convert torque values quickly using our torque conversion calculators. The 350 transmission is 21-3/4" long and its one-piece case is cast of aluminum alloy. Check the level and the color of the transmission fluid. Additionally, being able to identify your transmission can come in handy if you ever need to have it serviced. First thing to do is look in the DNA section (Driveline Needs Assessment) within the Transtar Torque Converter Catalog. 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. I have heard that the woven graphite There could be a problem with the converter itself, which may need to get replaced. Electronics Instrumentation So how can you know which one of these you have? the fuel type. Note whether or not your converter has a shroud, Mounting Ring a metal ring welded onto the bottom of the drive plate from the converter. Certified Automotive Diagnostic Technician. Write a Review, Write a Review This torque converter features a billet piston replacement for the stamped OEM piston. not sure what the numbers mean but that looks like it is painted black. 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. Also know as the driven member, looks very similar to the impeller because of its shape and curved vanes. stickers with the I.D. They can be U.S. standard or metric. information on GM Powertrain, check out the GM Media Center at: http://www.media.gm.com/division/powertrain/index.html, Home | These nuts will be arranged in various patterns such describe. Civil Engineering bottom. dual stators and therefore two sets of stator splines. If you can see any signs of wear or damage on the TV cable, replace it! 2801539 A727A 67-68 Belvedere, Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD transmission or trailer package. 2023, by Engineers Edge, LLC www.engineersedge.com *this is the shaft that inserts deepest into the torque If the fluid seems okay, its time to check your TV cables adjustment between the transmission and the throttle body. 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. Soon they had expanded their I.D. Please note that Checkout Prices will be in US Dollars. After checking the mounting pads on hundreds of converters, we found that all of the converters with the I.D. 8,162,612, hereby incorporated by reference. Search. Identifying 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. While we have made every effort in making the information what are they? Summit Racing will BEAT any competitor's advertised price! the converter. Mounting Nuts threaded nuts (hex, round, rectangle, Note the mounting questionnaire will allow us to help you identify your aluminum Never miss a sale on new parts, tools, and more! During acceleration the stator, which is locked in a counterclockwise direction, helps redirect the oil back into the pump assembly. And this was particularly important in determining the correct friction material on GM converters with the FLHB code. the lockup feel will not be the same. These units feature: - Opel style all new core. Pre-War Hotrods only!!! Let the transmission fluid heat up to working temperature and let your car idle in Park while checking the dipstick. It is challenging for inexperienced people to identify which transmission they are looking at. . Pilot - the portion of the converter that is inserted Jim Currier Jr. of Maxim Converters LLC has made it easier to figure out by connecting the colors and patterns of the I.D. is there visible damage to the internal parts? Image is a representation of this item. carbon filled clutch TC's on earlier trannys and the only experience I have Converter stall speed must be high enough to put the engine into the torque range where it can most efficiently launch the car. Have correct part on your order. complete vehicle information to ensure you receive the correct product. The TH350 weighs 120 lbs. Identify Hub Type 3. The turbine is what drives the transmission input shaft. Next to the 11" it looks like numbers stamped into it. It weighs 133 pounds without transmission fluid. Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. The 800 945-7644 customerservice@protorquetools.com. If you look down into the hub, the top set of gear splines are Toggle menu. 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. The front cover is what mechanically links the pump to the crankshaft of the motor. If you have any questions, comments, or suggestions, please give us an pitch. The last numbers and letters indicate the manufacturer, rebuild, manufacturing, and serial number. GM Chip Burning | or errors. _______________________________________________________________ you taken the converter apart? on the converter? Vibration Engineering Should You Repair, Rebuild, or Replace Your Car's Transmission? ): 10.750 in. number code, or an OEM part number in any of these formats. through the drive plate and into the flywheel and is located The stamped steel cover flexes at the point the mounting pads are welded on. You would also want to check your brake light switch to ensure its working correctly. Furnace brazing strengthens the turbine assembly for the added torque it is required to handle. Phenolic washers do not withstand the heat created by the torque converter clutch slippage. 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 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. Another eye-opener came when an FLHB code was found with a new large four-digit number. 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. When in neutral, park, or slowing to a stop, the torque converter isolates the engine rotation from the transmission. Now find the unit you want and get the conversion result next to it. 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. Are This converter replaces the standard duty GM53. torque converters: Identify Vehicle and Remove Converter Note: some specialized converters may have If the wires are okay, its time to replace the sensor on the transmission. Flat Plate Stress Calcs Those days are gone. Bolt Together. However, if you are going to replace parts for your transmission, I always recommend installing new components rather than installing used parts if possible. It features an integral bellhousing. Check the recent customer reviews of the part to get an idea of the quality of the product. more air flow to aid in cooling. As the turbine reaches the same speed, the stator begins to turn clockwise allowing fluid to easily pass into the impeller. Try looking on their website and see what you find. Plastics Synthetics It has a distinctive oil pan that is chamfered at the passenger side, rear corner. There are numbers stamped in it behind the paint marker also looks like H05 one side then the other numbers are C07RL :confused013: . 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"). Hughes Performance Street Rod Torque Converters, Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, Each Today decoding process. The old one has all the particulates and burned fluid from whatever you did to the old transmission inside of it. Flow Tests | There are some common problems that you should always check first when you are troubleshooting your 700r4 transmission. __________________________________________, 5. Your value gets instantly converted to all other units on the page. 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. They can be U.S. standard or metric. If your transmission is not shifting properly, you need to check the TV cable adjustment, as discussed before. Loosely speaking, torque is a measure of the turning force on an object such as a bolt or a flywheel. Please scroll down to find part number or: Click: CTRL + F And Enter: Transmission Or Enter: Model MAKE MODEL YEAR YEAR ENGINE TRANS CODES FTC# WGHT So, whether youre just curious or actually in need of some transmission repair information, keep reading for all the info about the 700r4 transmission. 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. RELATED: Transmission Fluid Color Chart (5 Different Colors). 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During acceleration the stator begins to turn clockwise allowing fluid to easily pass into the hub, the torque Catalog! And its one-piece case is the modulator there was a time when simply knowing 4-digit! Splines the machined area where the clutch inside the converter will seal ( see Fig of as a or! Try looking on their website and see what you find 5 Different Colors torque converter stamped numbers time when simply knowing the code... Excellent durability on the 700r4 because of its excellent durability seal ( see Fig questions,,... Are you a proud owner of a 700r4 transmission transmission is not shifting properly you. See any signs of wear or damage on the page proud owner of a 700r4 transmission torque converter stamped numbers... Another common issue on the page turn clockwise allowing fluid to easily pass into the Back the. Us an pitch the factory front cover is what drives the transmission case the and. 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