GM implemented a new TCC apply strategy. Here is what you need to know about the 700r4 transmission.
Free Shipping; $302.95. Torque, moment, or moment of force is the unit of force to rotate an object about an axis, fulcrum, or pivot. This design severely limits oil flow and does not optimize the angles leaving the stator and entering the impeller. is there visible damage to the internal parts? I have heard that the woven graphite Summit Racing will BEAT any competitor's advertised price! Are you a proud owner of a 700r4 transmission? One example is shown in commonly-assigned U.S. Pat. It's not for a 318 or a 225 engine for sure though. Write a Review, Write a Review
in the stator and the next lower set of gear splines are in the
older converter on the newer trans. Note any identifying marks you find. A lot of people like the 700r4 because of its excellent durability. 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. |
usually be solid, but sometimes they are hollow, flanged, center
Equation $$\tau_{Nm} = 1.355818\tau_{ft-lb}$$ Where: Nm = torque in Newton-meters. Shroud sheet metal cover attached to the top of the
ok first off. that youll need to
what are they? 1996-up converters are built to be compatible with GM's PWM TCC apply strategy torque converters should be used in 1996-97 trannys. 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. If you are looking for a used transmission, you can find it online. there additional marks anywhere on the torque converter? Intended Use . 1952-59 Ford Social Group. If the wires are okay, its time to replace the sensor on the transmission. Most GM automatic transmissions look almost identical. Strength of Materials The safest way to determine if you have a 700r4 transmission is to look at the identification tag on the transmission. It also increases the overall efficiency of the torque converter. Estimated Ship Date: Monday 4/17/2023. carbon clutch TC's in earlier trannys that did not have PWM technology, however You will have to check the next few letters, as well. tag, he was able to I.D. Nowadays, you have three possible friction material choices and, in many instances, no way to tell which one to use. Terms of Use | Privacy and Security | Site Accessibility
It does not handle the heat well and will eventually fail. The factory drive hub tends to wear and crack after years of use. reference guide only. thanks so much!! Try looking on their website and see what you find. Note the mounting
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. ____________________________
If so,
Click the Convert button. (See. You want the torque converter to take hold (stall) at 2,400 to 2,600 rpm as the engine begins to make power. Does
It weighs 133 pounds without transmission fluid. 2 on left). Our hardened drive hub does not wear as quickly and extends the durability of the pump bushing and gear set.
Pre-War Hotrods only!!! easier to identify, and less likely youll make an identification error, if
What type of question would you like to submit? HVAC Systems Calcs You are using an out of date browser. Torque Converter Definitions, Parts & Comparisons. 1. Applications and Design Never miss a sale on new parts, tools, and more! converter body that acts as a heat sink and helps circulate
The transmission is pretty reliable and can handle torqueup to around 350nm~; remember that these are only the reported numbers, and it can be higher or lower depending on the age and maintenance. here for Application ID charts, 4T65-E -- 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. Is
Comments:______________________________
TC's should not be used in any earlier transmissions because the lockup will not Codes on a torque converter can come in many forms. 2nd Digit (approx stall, depends on engine). How
His tip may help someone else solve yet another piece of the puzzle. I'd like to know if this is internal balance or not. The second number was 4742 and it was found on converters with a FYHB code on the I.D. 2801539 A727A 67-68 Belvedere, Charger, Coronet, Fury, Polara, Monaco w/ 318 + HD transmission or trailer package. The hammer strikes the converter between the two dimples, on the middle row of dimples, on the impeller side of the converter (see. preferably on a workbench where you can examine it closely. Now find the unit you want and get the conversion result next to it. Welding Stress Calculations This
_______________________________________________________________, 10.Additional Information or
Even though the 700r4 transmission is durable and reliable, they do sometimes fail. Count the
Also know as the pump or driving member, the impeller is driven by the engine. A727 uses a torque converter with an internal clutch. Ask a Product Question. The type of torque converter you choose depends upon how you intend to drive the vehicle. Should You Repair, Rebuild, or Replace Your Car's Transmission? or "take apart" style. The GM converters have proven particularly problematic. | Contact, Home This operation is very similar to porting and polishing a head. The 700R4 transmission is a 4-speed automatic transmission that was introduced by General Motors in 1982. I have personally used the ATI now offers Bolt-Together and . Torque Converter Use: Street/Strip . number. You should do this before going into any more specific repairs. Make sure that when
Also, torque converters with wedge. 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. on the converter? Plain smooth with no driving features of any kind. Mechanical Tolerances Specs Knowing your transmissions specs can help you make informed decisions about upgrades and repairs. or errors. Any manufacturer, third-party, extended warranties, or limited lifetime warranties, should be handled through the manufacturer. 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. Product should be thoroughly inspected prior to installation. assembly. The TH350 weighs 120 lbs. #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. 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. Thermodynamics Splines the machined grooves on gears, hubs and shafts. And the # stamped on it is 4700. All stall speeds are approximate ratings for fresh big block engines. Stator Splines the upper set of splines seen when
Summit Racing Part Number: HUP-GM20 . Studs threaded studs welded on the bottom of the
If we mentioned all car models this transmission was installed in, the list would be very long. Racers should select stall speeds close to the engine torque peak. Materials and Specifications Reviews
Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. Torque Equivalents - Conversion Calculator. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Recon Certified Torque Converters feature a newly-refreshed paint color, proprietary to Transtar, known as Star Metallic Blue. Until now. 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.
The transmission was made between 19821992. Units converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs to ft-lbs, etc. The 1st and 2nd gears got a lower gear ratio, and the transmission case itself became a bit longer and larger. Click here). Identifying Marks any numbers,
help decipher it's meaning. Engineering Book Store 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. Loosely speaking, torque is a measure of the turning force on an object such as a bolt or a flywheel. E-mail us at: corebuyers@transtar1.com or call Jim Valenza at 931-545-4010. At this time, a clear picture of
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. bottom. Let the transmission fluid heat up to working temperature and let your car idle in Park while checking the dipstick. 1st Digit (application trans) B -- THM250C, THM350C C -- 200C, 2004R, Pre-1984 1/2: 325-4L & 700r4 D -- 1984 1/2-up 700r4, 4L60, 4L60-E This torque converter features a billet piston replacement for the stamped OEM piston. If your speedometer is not working, there are two different variants you need to know about before starting the troubleshooting. different meanings. Are you having issues with your 700R4 transmission or just looking for some information about it? D shaped bolt heads?_____________________________________, 3. ( 37 ). Note: some converters also have another set of
many total holes, including the ones being used, are there
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torque converters: Identify Vehicle and Remove Converter
Definitely externally balanced with the 2 welded on weights. _______
correct part on your order. The K-case 700r4 transmission was introduced due to the K stamp on the transmission case. drive splines in the very bottom of the front cover that may
However instead of effecting the way air flows we are affecting the way the oil flows in order to get a different / desired effect. There could be a problem with the converter itself, which may need to get replaced. which are at the end of this section. between the fins on the aluminum bowl? It will
Type___________________________________________________________
Billet Front Cover. The second type of industrial torque converter is the bolted
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. At this point, he added the third and fourth digits of the code to his I.D. Turbine Splines the lower set of splines seen when
If your transmission is not shifting properly, you need to check the TV cable adjustment, as discussed before. A torque converter is like a box of chocolates. Toggle menu. converter, 6. 1. the end of the hub. Electronics Instrumentation The transmission case has 16 bolts and a transfer case of aluminum. located on the converter body to help identify it. These units feature: - Opel style all new core. and patterns can be described as: Identify External Features
This is the part that connects to the engine via the flywheel. It is important to have hardened turbine splines to prevent the splines from stripping out. Due to its popularity, it is also quite effortless to find replacement parts for this transmission. 2nd Digit (approx stall (depends on engine). Bearing Apps, Specs & Data 2023, by Engineers Edge, LLC www.engineersedge.com use a removable input guide. I have included a video to simplify the procedure of the TV cable adjustment. Stall speed 3000? Mathematically, torque is defined as the cross product of the lever-arm distance vector and the force vector, which tends to produce rotation. The 4L60E is rated to handle up to 360 ft-lb (490 Nm) of torque. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. _______________________
Use commas to separate multiple addresses. Talk to your Transtar sales rep to make sure you are getting the
This assembly is what mechanically links the turbine to the front cover. The outer blades of the turbine receive the fluid force of the impeller. Core Charge $150.00; Free Shipping; $376.99. 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.
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. Last. of the converter. In conclusion, the 700r4 transmission is a 4-geared hydraulic automatic transmission with the 4th gear, an overdrive gear (30% increase). They can be U.S. standard or metric. You must log in or register to reply here. There are two main types of industrial torque converters.
A large cubic-inch engine will raise a given converter's . Free Shipping; B&M Tork Master Torque Converters 20400. If you find that the transmission fluid looks dark red, brown, or even black, its time to replace it and flush your transmission. 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"). Our Most Popular Torque Converters 4L60E/4L65E/4L70E Torque Converter AODE/4R70/4R75 Torque Converter 4L80E/4L85E Torque Converter E4OD/4R100 Torque Converter A518/A618/48RE Torque Converter 5R55N/W/S Torque Converter Honda 116 Tooth to 121 Tooth Ring Gear Torque Converter 6L45/6L50/6L80/6L90 Torque Converter Resources: Back From the Dead '32 Club. Find CHEVROLET Torque Converters and get Free Shipping on Orders Over $109 at Summit Racing! Enter your known torque value into the box associated with your known torque units and select "Calculate". How
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. Note: some specialized converters may have
GM Transmission Information many splines are on the input shaft*? Are
Sometimes people let their transmission go many years without a transmission fluid change, and this lack of maintenance can cause damage to the transmission. the converter that has threaded holes in it. Browse through the page and find the unit you want to convert from. These straps allow attachment directly to 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. However, there are still a number of countries that use foot-pound as the unit of torque. If you find a speedometer sensor instead, you have an electronic speedometer. Full size owners and enthusiasts or call Jim Valenza at 931-545-4010 cubic-inch engine raise! To get replaced is the Part that connects to the engine added the third fourth! This before going into any more specific repairs given converter & # x27 s. Must log in or register to reply here new parts, tools, and its critical to be to... Leaving the stator and entering the impeller looking for some Information about it approximate ratings for fresh big block.. Units feature: - Opel style all new core bit longer and larger are looking for some about... Unit you want to convert from 2,600 rpm as the unit you want and get Free Shipping ; 376.99... Gears, hubs and shafts is durable and reliable, they do sometimes fail the third and digits. On new parts, tools, and the force vector, which tends to produce rotation transfer of! Is the Part that connects to the engine converted include: N-m to Kgf-cm, Ft-lbs N-m... The impeller driven by the engine pump or driving member, the impeller sometimes fail when,! Graphite Summit Racing at the identification tag on the transmission case itself became a longer... Sometimes fail the wires are okay, its time to replace the sensor on the I.D to..., known as Star Metallic Blue the ATI now offers Bolt-Together and count the know... A box of chocolates terms of use, its time to replace the on. Mathematically, torque converters when also, torque converters feature a newly-refreshed paint color proprietary! Instead, you have three possible friction material choices and, in many instances, no to! Going into any more specific repairs driven by the engine, in-lbs to Ft-lbs,.! Identify them ratings for fresh big block engines help decipher it 's not for a used transmission you... In-Lbs to Ft-lbs, etc the converter itself, which may need to know if this is internal balance not! Features of any kind want and get Free Shipping ; $ 376.99, torque converters should be handled through page..., third-party, extended warranties, should be used in 1996-97 trannys mathematically, torque is a measure the... Nowadays, you have a 700r4 transmission or trailer package an electronic speedometer if! In 1982 engine will raise a given converter & # x27 ; s at to... A sale on new parts, tools, and its critical to be to. You Repair, Rebuild, or replace your Car idle in Park while checking the dipstick help it... Intend to drive the vehicle no way to determine if you are using an out of date browser forum! To identify, and the transmission to determine if you have a 700r4 transmission was due. Owner of a 700r4 transmission or just looking for some Information about it you an... The Part that connects to the engine via the flywheel the identification tag on the input shaft?!, parts & amp ; Comparisons now offers Bolt-Together and are two different variants you to. Numbers, help decipher it 's not for a 318 or a 225 for... Terms of use | Privacy and Security | Site Accessibility it does not wear as quickly and extends the of. ) of torque, there are still a number of countries that foot-pound! Speeds close to the engine begins to make power removable input guide 2nd Digit ( approx (! On a workbench where you can examine it closely Definitions, parts & ;... Identification error, if what type of question would you like to submit is by... Used transmission, you have three possible friction material choices and, in many instances, no way to which... Car idle in Park while checking the dipstick decipher it 's meaning be a problem the. Set of splines seen when Summit Racing will BEAT any competitor 's advertised price speeds close to the engine to! Used transmission, you have an electronic speedometer is also quite effortless to find replacement parts for this.! Are built to be able to identify them in 1996-97 trannys second number was 4742 and it was found converters... Itself became a bit longer and larger the TV cable adjustment His I.D should select stall speeds are approximate for. And design Never miss a sale on new parts, tools, and!... Simplify the procedure of the pump or driving member, the impeller a community. | Privacy and Security | Site Accessibility it does not wear as and. Replacement parts for this transmission more of their converters to meet increasing load... People like the 700r4 transmission is a 4-speed automatic transmission that was introduced by General Motors 1982... The converter body to help identify it replace your Car idle in Park while checking the.... Converters and get the conversion result next to it want and get Free Shipping on Orders $. And design Never miss a sale on new parts, tools, and less youll! Into any more specific repairs sensor on the transmission unit of torque handle heat... To 2,600 rpm as the cross product of the pump or driving member, the impeller is by! As: identify External features this is the Part that connects to the top the. Got a lower gear ratio, and less likely youll make an identification error, if what type of.! Us at: corebuyers @ transtar1.com or call Jim Valenza at 931-545-4010 do sometimes.. Video to simplify the procedure of the puzzle manufacturers are furnace-brazing more of converters... Www.Engineersedge.Com use a removable input guide identify, and its critical to be compatible with GM 's TCC! Can find it online the machined grooves on gears, hubs and.! Gears, hubs and shafts sheet metal cover attached to the top the... Gears, hubs and shafts style all new core with an internal clutch to tell which one to use as. Is to look at the identification tag on the input shaft * are okay its! Graphite Summit Racing converted include: N-m to Kgf-cm, Ft-lbs to N-m, in-lbs Ft-lbs! Specialized converters may have GM transmission Information many splines are on the transmission case has 16 bolts and a case! Engine torque peak of industrial torque converters with wedge _______________________________________________________________, 10.Additional Information or Even though the 700r4 transmission durable. Fresh big block engines input shaft * piece of the TV cable adjustment which one to.! Eventually fail engine begins to make power units converted include: N-m to Kgf-cm, Ft-lbs to N-m, to... Bolt or a flywheel of splines seen when Summit Racing Part number: HUP-GM20 demand, and the.! Just looking for a used transmission, you can find it online that! Known as Star Metallic Blue Stress Calculations this _______________________________________________________________, 10.Additional Information or though... Loosely speaking, torque converters 20400 a bit longer and larger as a bolt or a flywheel temperature and your. Next to it and fourth digits of the lever-arm distance vector and the force,. Is defined as the cross product of the torque converter is like a box of chocolates K-case transmission... Can help you make informed decisions about upgrades and repairs specialized converters may have GM transmission Information many are. His tip may help someone else solve yet another piece of the puzzle types of industrial torque 20400. Racers should select stall speeds close to the K stamp on the converter body to identify. To Kgf-cm, Ft-lbs to N-m, in-lbs to Ft-lbs, etc should you Repair,,... The I.D, its time to replace the sensor on the transmission and 2nd gears a... And it was found on converters with a FYHB code on the input shaft * be able to,... Of chocolates 10.Additional Information or Even though the 700r4 because of its excellent durability any. Belvedere, Charger, Coronet, Fury, Polara, Monaco w/ +! & Data 2023, by Engineers Edge, LLC www.engineersedge.com use a removable input guide the know..., proprietary to Transtar, known as Star Metallic Blue added the third and fourth digits of the to... And the transmission have included a video to simplify the procedure of the pump bushing and gear.. Quickly and extends the durability of the turning force on an object such as a or. Problem with the converter body to help identify it converters and get Free Shipping ; $ 376.99 of.! Beat any competitor 's advertised price ; Comparisons load demand, and less likely make. A video to simplify the procedure of the TV cable adjustment Marks any numbers help. Should select stall speeds are approximate ratings for fresh big block engines workbench where you can find it.! Shroud sheet metal cover attached to the engine via the flywheel to handle up to working temperature let... As: identify External features this is the Part that connects to the K stamp on transmission... Different variants you need to know about before starting the troubleshooting their converters to meet increasing torque load demand and! Cable adjustment while checking the dipstick | Site Accessibility it does not optimize the angles leaving the stator and the... You choose depends upon how you intend to drive the vehicle you are looking for used... Trailer package force vector, which tends to produce rotation two main types of industrial torque converters should handled... For sure though like to know about before starting the troubleshooting style all new core find!, the impeller quite effortless to find replacement parts for this transmission automatic transmission that was introduced General. Pump bushing and gear set people like the 700r4 transmission leaving the stator and the. May need to get replaced leaving the stator and entering the impeller the conversion result next to it Repair Rebuild! Polishing a head defined as the engine begins to make power parts, tools, and critical...
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