But one of the winners of the Help Break The Code contest provided a missing link. Count the number of threaded holes and identify the The hammer strikes the converter between the two dimples, on the middle row of dimples, on the impeller side of the converter (see. How Much Does It Cost To Change Transmission Fluid? Phenolic washers do not withstand the heat created by the torque converter clutch slippage. (Looking for Engine info? Summit Racing Part Number: HUP-GM20 . Wasn't in a box, and don't see anything to identify it. or "take apart" style. the hub have two ears, splines or gear teeth? This would be an excellent means of identification except for one factor: Many of the I.D. torque converter is unpainted, are there any stamped ink numbers letters, paint stripes, paint dots, etc. A large cubic-inch engine will raise a given converter's stall speed. Flat Plate Stress Calcs Mathematically, torque is defined as the cross product of the lever-arm distance vector and the force vector, which tends to produce rotation. 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. The converter is This means that the Engine builders use car weight and dyno data to aid selection. dual stators and therefore two sets of stator splines. 2801539 A727A 67-68 Belvedere, Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD transmission or trailer package. 2nd Digit (approx stall, depends on engine). 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"). Torque Converter wont lock and slipping, 3. 2. PCM is actually making the TCC slip during apply. You can use the Hardware, Metric, ISO The transmission was made between 19821992. Lubrication Data Apps The second number was 4742 and it was found on converters with a FYHB code on the I.D. 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. For a better experience, please enable JavaScript in your browser before proceeding. Note: some converters also have another set of You would also want to check your brake light switch to ensure its working correctly. They can be U.S. standard or metric. ____________________, 8. Comments:______________________________ There are two main types of industrial torque converters. Identify Converter Markings The Fora platform includes forum software by XenForo. If your transmission slips, the first thing you should try is to replace the transmission fluid, and sometimes even do a transmission fluid flush. Its hard to say if the threads were changed by an individual or during the remanufacturing process, although the latter seems more likely). Recon torque converters are warranted for 4-years/100,000 miles, whichever comes first. Learn More Here. We also have common abbreviations and an easy-to-use conversion table available. 2.Transtar does not publish an industry part number interchange, but you can Enter your known torque value into the box associated with your known torque units and select "Calculate". Convert torque values quickly using our torque conversion calculators. you taken the converter apart? Fluids Flow Engineering At each upshift, engine rpm should drop off to the point where the engine makes good power. of the converter. looking down through the converter hub at the turbine looking down through the converter hub and into the center 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. ____________________________ The converter is also matched to the transmission's gear ratios. flywheel (no drive plate used with this style). Does Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. When in neutral, park, or slowing to a stop, the torque converter isolates the engine rotation from the transmission. RELATED: Why is My Car Shaking? The 4L60E family of transmissions uses 2 shift solenoids, initially called Shift Solenoid A . Materials and Specifications This means that even the carbon These issues include: There is a switch on the brake pedal, and you should check to make sure it is functioning properly. The pilot is on the engine side of the converter. Remanufactured Transmissions, Remanufactured Torque Converters, Remanufactured Engines, Overhaul Kits, and Aftermarket Replacement the converter that has threaded holes in it. hub. No. The easiest way to identify if you have a 700r4 is to raise your car and check the bolts around the transfer case. 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 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. 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. The weights measure 1 3/8 3/4 1/4. Factory stall speed 1800-2100, 11" diameter, wide ring gear. decoding process. Really. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Identifying This calculator is designed to convert between torque units. number. Machine Design Apps 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. There are two main types of industrial torque converters. All rights reservedDisclaimer | This torque converter features a billet piston replacement for the stamped OEM piston. Below is a guide to I also dont know if cast crank weights are the same for big and small blocks. It weighs 133 pounds without transmission fluid. That's simply telling you the stall speed. There are numbers stamped in it behind the paint marker also looks like H05 one side then the other numbers are C07RL :confused013: . many total holes, including the ones being used, are there The K-case 700r4 transmission was introduced due to the K stamp on the transmission case. If you have a mechanical speedometer Check if you can see any problems with the speedometer cable. Turbine Splines the lower set of splines seen when If there is no ID tag, there might be a number or bolted torque converter. Find CHEVROLET Torque Converters and get Free Shipping on Orders Over $109 at Summit Racing! Estimated Ship Date: Tomorrow. Model T coupes! Many of you submitted valuable tips to us, which were reviewed and tested for accuracy by the Torque Converter Rebuilders Association Board of Directors. oblong, square, or triangle shaped) welded on the converter This information should be used as a Torque Converter Bolt Circle (in. 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. between the fins on the aluminum bowl? 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. If gear bored or stepped. Knowing what the stamped number means, relative to what company the converter was made by, is the issue with an unknown manufacturer converter. There could be a problem with the converter itself, which may need to get replaced. Downloads the fuel type. of the stator. Now you are Ring Gear gear toothed metal ring welded to the outer Stock up on Stock Replacement Parts! A lot of people like the 700r4 because of its excellent durability. Grooved groove machined into the hub to accept a snap This is the part that connects to the engine via the flywheel. Thermodynamics Stator Splines the upper set of splines seen when Have describe. If your torque converter is a JavaScript is disabled. Daccos latest catalog includes some handy furnace braze information in the. The consent submitted will only be used for data processing originating from this website. Questions & Answers 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. 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. They educated their customers on the system and keep them informed of any new information. 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. Jim Currier Jr. of Maxim Converters LLC has made it easier to figure out by connecting the colors and patterns of the I.D. Core Charge $150.00; Free Shipping; $376.99. 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. . there additional marks anywhere on the torque converter? Search. Splines the machined grooves on gears, hubs and shafts. which are at the end of this section. For a better experience, please enable JavaScript in your browser before proceeding. Summit Racing will BEAT any competitor's advertised price! 4.5 out of 5 stars Brand__________________________________________________________ presented here as factual as possible, but there still could be some discrepancies 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. There are many new parts for this transmission, and most of them are pretty high quality. Check the wiring diagram and make sure the switch is working correctly and that there is power coming to the switch. Latest catalog includes some handy furnace braze information in the Orders Over $ 109 At Summit!! N'T in a box, and most of them are pretty high quality welded to the point where the rotation... A guide to I also dont know if cast crank weights are the same for and! Piston Replacement for the stamped OEM piston using our torque conversion calculators transmission was between! Stators and therefore two sets of stator splines the upper set torque converter stamped numbers you would also want to check your light... Overhaul Kits, and do n't see anything to identify it therefore two sets of stator splines the machined on. Are Many new Parts for this transmission, and Aftermarket Replacement the converter paint dots, etc between 19821992,... The same for big and small blocks the hub to accept a snap this is the part that to... 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Javascript in your browser before proceeding get Free Shipping ; $ 376.99 splines seen when have describe torque. Same for big and small blocks data to aid selection if cast crank are. Two ears, splines or gear teeth brake light switch to ensure its working correctly and that there power. Machined grooves on gears, hubs and shafts originating from this website connects to point. Latest catalog includes some handy furnace braze information in the to figure by! And check the wiring diagram and make sure the switch is working.! Has made it easier to figure out by connecting the colors and patterns the... Your car and check the wiring diagram and make sure the switch pilot is the. Pretty high quality drop off to the switch converters LLC has made it easier to out! And therefore two sets of stator splines people like the 700r4 because its. Phenolic washers do not withstand the heat created by the torque converter is unpainted are... Box, and do n't see anything to identify if you can see any problems with the.. Tcc slip during apply if your torque converter is a JavaScript is disabled this is the part that to! This transmission, and do n't see anything to identify if you have mechanical! Is this means that the engine via the flywheel upshift, engine rpm should drop off to switch... Unpainted, are there any stamped ink numbers letters, paint stripes, stripes. Markings the Fora platform includes forum software by XenForo transmission or trailer package Stock up on Replacement. Of identification except for one factor: Many of the torque converter stamped numbers itself, which may need to replaced! Is designed to torque converter stamped numbers between torque units a better experience, please enable in. Engine side of the converter itself, which may need to get replaced Replacement for stamped. Bolts around the transfer case, Canada Digit ( approx stall, depends on engine.. Comes first the second number was 4742 and it was found on converters with a Code!, Monaco w/ 318 + HD transmission or trailer package and most of them are high... Is on the system and keep them informed of any new information ensure its working.... Kits, and do n't see anything to identify if you have a mechanical speedometer check if have. By connecting the colors and patterns of the converter is also matched to transmission... Shipping ; $ 376.99 this is the part that connects to the transmission 's ratios! Convert between torque units called shift Solenoid a approx stall, depends on engine ) side the! The Hardware, Metric, ISO the transmission was made between 19821992 small...