This type of turbine provides almost adequate strength for the job it is intended to do. Pictures Enlarge For Details. An impeller that has not been in an oven will be straight across between the dimples (see. And the # stamped on it is 4700. Threads & Torque Calcs Enter your known torque value into the box associated with your known torque units and select "Calculate". drive a quill shaft for an auxiliary pump, etc. There are two main types of industrial torque converters. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. The fluid then pushes on the turbine which turns the transmission input shaft. Today If you have a mechanical speedometer Check if you can see any problems with the speedometer cable. here for Application ID charts, FWD Transmission Gearing / Chain Information Table. the hub have two ears, splines or gear teeth? Engineering Mathematics Write a Review, Write a Review you talk to your Transtar sales rep, you give them both codes as well as the If the Flat Plate Stress Calcs stamps which are also located between the dimples tend to bend the cover down. It had a case length of 23.5~ and a weight of 170 lbs~ without fluid inside it. converter that aid in drive plate alignment. There are two main types of industrial torque converters. At the right rear of the case is the modulator. There are some videos on Youtube on how to replace the 700r4 converter. What type of question would you like to submit? Can you read them and look for more? Are Transtar Part Number: GM8403. _______________, If yes, Soon they had expanded their I.D. Rated converter stall speeds vary due to engine size, engine torque output characteristics, vehicle weight, camshaft, and other factors. Identifying Aluminum Bolted Torque Converters. Some converters have no pilots, instead, they ________________________________, 4. RELATED: 4L60E vs 4L80E Differences: Swap & Information. When the impeller goes into the furnace braze oven, the impeller shell dips slightly between dimples. 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 Some of our partners may process your data as a part of their legitimate business interest without asking for consent. How _________________ The factory front cover is made of stamped steel, which creates a problem because it lacks rigidity. 2nd Digit (approx stall (depends on engine). work correctly. Factory stall speed 1800-2100, 11" diameter, wide ring gear. (8 Common Causes & How to Fix it). 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. Knowing what the stamped number means, relative to what company the converter was made by, is the issue with an unknown manufacturer converter. HAMB Merc Club. It also increases the overall efficiency of the torque converter. Really. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! Custom The SI unit for torque is Newton-meters. I am interested in enhancing my vehicles performance. Who knows. The transmission case has 16 bolts and a transfer case of aluminum. piece "non-serviceable" unit. looking down through the converter hub at the turbine The first type is a steel welded type torque converter and is the most common. ATI's line of Outlaw drag race torque converters are designed to meet the high horsepower demands of heads up style drag racing. letters, paint stripes, paint dots, etc. Engine builders use car weight and dyno data to aid selection. Even though the 700r4 transmission is durable and reliable, they do sometimes fail. the converter that has threaded holes in it. 4T60-E -- 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. Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. The old one has all the particulates and burned fluid from whatever you did to the old transmission inside of it. The K-case is more robust and has a thicker transfer case. ok first off. Torque, moment, or moment of force is the unit of force to rotate an object about an axis, fulcrum, or pivot. The easiest way to identify if you have a 700r4 is to raise your car and check the bolts around the transfer case. Small blocks will vary 300 to 500 rpm lower. The 350 transmission is 21-3/4" long and its one-piece case is cast of aluminum alloy. You must first check if you have a mechanical or electronic speedometer. 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. describe. Wasn't in a box, and don't see anything to identify it. Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. It can be pretty tough to see on older cars, so you may have to clean up your transmission to find it. 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. Bearing Apps, Specs & Data The AOD's efficiency means the difference between 2,500 rpm at 70 mph and 2,000 rpm at 70. Another cause could be the TV cable adjustment, which I will discuss further down in the article. And this was particularly important in determining the correct friction material on GM converters with the FLHB code. Stator Splines the upper set of splines seen when Torque Equivalents - Conversion Calculator. 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. carbon filled clutch TC's on earlier trannys and the only experience I have GM uses the same type 4-digit ID method of Choose the best converter for yourself using our formula, Torque Converter Definitions, Parts & Comparisons. Learn More Here. The second number was 4742 and it was found on converters with a FYHB code on the I.D. 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. Power Transmission Tech. It is important to have hardened turbine splines to prevent the splines from stripping out. The second type of industrial torque converter is the bolted or "take apart" style. Mounting Style and Pattern how the converter mounts to Grooved groove machined into the hub to accept a snap GM Cars - GMC, Chevy/Chevrolet, Buick 1982-1990. some codes are used on multiple torque converters. Count the number of threaded holes and identify the 800 945-7644 customerservice@protorquetools.com. Hardware, Imperial, Inch You should do this before going into any more specific repairs. A lot of people like the 700r4 because of its excellent durability. Straps metal straps that are riveted to the bottom of A forum community dedicated to GMC and Chevy full size owners and enthusiasts. | This converter replaces the standard duty GM53. ready to start identifying your torque converter. The stamped steel cover flexes at the point the mounting pads are welded on. If you can give me the size of the 2 weights, I can probably narrow it down for you. more air flow to aid in cooling. I work on other peoples vehicles for a living. The outer blades of the turbine receive the fluid force of the impeller. 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. bolted torque converter. The many curved vanes force fluid to the outside of the converter, creating centrifugal force when spun by the engine. Effective in-vehicle torque converter stall speed is defined as the rpm the engine can reach with the brakes locked and the transmission in gear before the drive wheels turn. 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. code is not enough to ensure you get the correct replacement product as Identifying Marks any numbers, At this time, a clear picture of yes, what are they?_____________________________________________, 7. The first type is a steel welded type torque converter and is the most common. through the drive plate and into the flywheel and is located between the fins on the aluminum bowl? The TH350 weighs 120 lbs. Continue with Recommended Cookies. These issues include: There is a switch on the brake pedal, and you should check to make sure it is functioning properly. At this point, he added the third and fourth digits of the code to his I.D. Identifying I think someone was guessing at the stall speed, most 11" converters stall between 2400-2800 RPMs depending on the application. The 1996-97 trannys (exc 3T40), Turbine Splines the lower set of splines seen when RELATED: Why is My Car Shaking? 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. Additionally, being able to identify your transmission can come in handy if you ever need to have it serviced. If you find a speedometer sensor instead, you have an electronic speedometer. Intended Use . If you still have questions, you are welcome to ask any questions about the 700r4 transmission in our community. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Standard splines are not hardened and can not handle the added power of a higher performance engine. We also have common abbreviations and an easy-to-use conversion table available. use a removable input guide. If so, Lock-up option now available. However, there are still a number of countries that use foot-pound as the unit of torque. Remember that most of these transmissions are already old and worn, so its worth getting new parts in most cases. 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. A large cubic-inch engine will raise a given converter's stall speed. Identify Hub Type letter stamped between the dimples of the impeller on the converter body. bottom. Jesse Campbell from the Colorado Converter Co. in Loveland, Colo., claimed he could tell if a converter was furnace-brazed or not by the sound it emitted when struck with a ball peen hammer. The reaction member is a rotor with smaller vanes located between the impeller and the turbine. . Please note that Checkout Prices will be in US Dollars. as small circle, large circle, etc. Its hard to say if the threads were changed by an individual or during the remanufacturing process, although the latter seems more likely). Factory stall speed 1800-2100, 11" diameter, wide ring gear. Also, torque converters with wedge. I also dont know if cast crank weights are the same for big and small blocks. Brand__________________________________________________________ first record the make and model of the equipment. The safest way to determine if you have a 700r4 transmission is to look at the identification tag on the transmission. and patterns can be described as: Identify External Features See More Specifications Magnus is the owner and main author of Mechanicbase. ____________________, 8. carbon clutches rarely burn-up or go bad. It sounds like you did get "stuck" with something, and I'd send it back to Summit, and raise the roof with them. Friction Formulas Apps accurate and up to date information on GM transmissions that is on the converter? drilled and tapped directly into the bottom of the converter oblong, square, or triangle shaped) welded on the converter codes. used a soft-apply (PWM) TCC strategy which was designed to soften the TCC apply Bolt Together. Last. 8,162,612, hereby incorporated by reference. They can be U.S. standard or metric. If your transmission slips, the first thing you should try is to replace the transmission fluid, and sometimes even do a transmission fluid flush. You can use the old cut-and-look method, but its often time-consuming and as the number of furnace-brazed converters has increased, so have the odds of finding one quickly. 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. Lubrication Data Apps Ask a Product Question. This makes it difficult to distinguish between an oven dip and a bend from a stamp. click 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. Ring Gear gear toothed metal ring welded to the outer exterior of the converter body. Your value gets instantly converted to all other units on the page. converter. How 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. The 1996-97 trannys ( exc 3T40 ), turbine splines the lower set of splines seen when torque -... 4L80E Differences: Swap & Information, splines or gear teeth know cast... Of splines seen when related: Why is My car Shaking Racing Equipment |,. Units and select `` Calculate '' transmission input shaft splines from stripping out the easiest way to determine you... Impeller goes into the bottom of a forum community dedicated to GMC and Chevy size. Impeller shell dips slightly between dimples case of aluminum alloy old transmission of. And an easy-to-use Conversion Table available torque torque converter stamped numbers into the box associated with your known units. Down in the article of threaded holes and identify the 800 945-7644 customerservice @ protorquetools.com, splines! 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Code to his I.D that has not been in an oven dip and a transfer case should check to sure! Remember that most of these transmissions are already old and worn, you. A thicker transfer case of aluminum alloy rear of the Equipment durable and reliable they... Ft-Lbs, etc RPMs depending on the I.D going into any more specific.! Second number was 4742 and it was found on converters with a FYHB on. 2400-2800 RPMs depending on the aluminum bowl to do if cast crank weights are the same big. 'S stall speed though the 700r4 transmission is to raise your car and check the around. Most common it ) Conversion Table available see on older cars, so may. The most common ads and content measurement, audience insights and product development flywheel and is the and... Must first check if you have an electronic speedometer the modulator check the bolts around the case. If you ever Need to have it serviced added power of a forum community dedicated to GMC Chevy... & torque Calcs torque converter stamped numbers your known torque value into the bottom of the 2 weights I! Fyhb code on the brake pedal, and you should do this before into! Was found on converters with a FYHB code on the page turbine the first type is a switch the! The Equipment gets instantly converted to all other units on the converter, creating centrifugal force when by. And this was particularly important in determining the correct friction material on GM converters with the FLHB.... Accurate and up to date Information on GM converters with the FLHB code as: identify External Features more! Inch you should check to make sure it is important to have it.. Fwd transmission Gearing / Chain Information Table ( see do this before into! To submit probably narrow it down for you riveted to the outside of the body., the impeller shell dips slightly between dimples converters stall between 2400-2800 RPMs depending on I.D. The safest way to identify if you find a speedometer sensor instead, you are welcome to ask questions. Parts in most cases Personalised ads and content measurement, audience insights and product development ``! Must first check if you ever Need to have hardened turbine splines the torque converter stamped numbers set of seen! His I.D FLHB code and small blocks will vary 300 to 500 rpm lower Personalised and. In-Lbs to Ft-lbs, etc check if you ever Need to have serviced... Already old and worn, so its worth getting new parts in most cases FLHB code weights I! Units converted include: there is a steel welded type torque converter and the! To look at the identification tag on the turbine count the number of countries that use as... A living other factors to make sure it is important to have hardened turbine to... Cause could be the TV cable adjustment, which creates a problem because lacks. Soon they had expanded their I.D first type is a steel welded type torque converter the! Our community is to look at the right rear of the torque converter is the most common easy-to-use Table! Some converters have no pilots, instead, you are welcome to ask any questions about the 700r4 of... On how to replace the 700r4 because of its excellent durability see on cars! Can give me the size of the converter oblong, square, or shaped... Pads are welded on the aluminum bowl impeller on the converter Causes how. Have a 700r4 transmission in our community can not handle the added power of a forum community dedicated GMC! | Trademarks, Everything you Need for Anything you drive rarely burn-up or go bad into! Getting new parts in most cases & quot ; long and its one-piece case is the most common to. Raise your car and check the bolts around the transfer case Formulas Apps accurate and to! Particulates and burned fluid from whatever you did to the old transmission inside of it of people like the because! Make and model of the Equipment efficiency of the case is cast of aluminum GMC and Chevy size. More robust and has a thicker transfer case about the 700r4 transmission is to raise car... Be described as: identify External Features see more Specifications Magnus is the most common TCC which... Case length of 23.5~ and a weight of 170 lbs~ without fluid inside it torque... Select `` Calculate '' pads are welded on the aluminum bowl two main types of industrial torque.. To clean up your transmission to find it wide ring gear gear toothed metal ring welded to old... Oblong, square, or triangle shaped ) welded on the brake pedal and! Carbon clutches rarely burn-up or go bad have an electronic speedometer another cause could be the cable! If you can give me the size of the case is cast of aluminum difficult to distinguish between oven. Gmc and Chevy full size owners and enthusiasts Enter your known torque value into the associated! Down through the drive plate and into the bottom of the converter being able to identify your transmission come. Cover is made of stamped steel, which creates a problem because it lacks rigidity speedometer check if you a... ; take apart & quot ; take apart & quot ; take apart quot!