- Critical wear areas and vacuum test locations: GM 10L and Ford 10R series. Then, of course, Sixth gear is still 0.75:1 overdrive. How quickly time passes by. Specialized manifold for 10L80,10L90, 8L90, 6L80, and 6L90 transmissions, allowing you to connect -6AN fittings to your cooler lines. 6L80/6L90/8L90/10L90 AN Transmission Cooler Manifold Our Price: $150.00 Out of stock We now offer a convenient AN trans cooler manifold solution for the 6L80, 6L90, 8L90, and 10L90 transmission. It is currently phasing out the 6L80/6L90 transmissions (although it hasn't done its all the way yet. The General Motors 6L80-E & 6L90-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting muscle cars to family SUV's. In this Drivetrain 101, we'll analyze all of its most prolific problems, solutions and upgrades. Cost and Process, Torque Converter Problems: Symptoms & Replacement Cost, Transmission Solenoid: Symptoms & Replacement Cost, 10 Pro Tips on Buying Used Transmissions For Sale, P0700: Transmission Control System Malfunction (TCM), Pontiac Firebird Transmission Problems & Cost | 4L60E / 4L65, Cadillac SRX Transmission Problems & Cost | 5L40E | 6L50 | 6T70, Ford Crown Victoria Transmission Problems & Cost | 4R75E / 4R75W / 4R70W, Chevy Equinox Transmission Problems & Cost | 6T70 / 6T45 / AW55-50SN, Saturn Aura Transmission Problems & Cost | 6T70 | 6T40 | 4T45E. Gilbert, At this point, the converter rebuilder is faced with either finding another core that he hopes will have good components or purchasing a Sonnax forged cover GM-CC-13 and forged piston GM-DA-17P. or gross weight of 14,000 lbs. The 6L80 transmission pan is similar in shape but the 6L80 is shorter at 17 1/2 inches. Since buying the car I have been trying to learn a bit about the auto trans. But tall highway gearing arent the only way that this transmission maximizes efficiency. You also asked about GM's new 6L80E. The 6L80 has surprised us power transmission aficionados with its wholesale adoption of new and very different technologies. Reactions: me32. It has a line pressure tap for diagnostic purposes. I & II For the most part, this transmission has been phased out by the 8L90E already, but is still in prodution. This version is 1-3/8" longer and about 25% of its internal parts differ. It is a dog in the summer time. 3-Bolt Adapter Flange Yoke Kit. How is this different from the GM 6L80E transmission that is used in the Corvette or in the newer GM trucks? Running 12.60s at 111 is a fun ride! GM LS1 - 9 and Chrysler/Mopar Gen III & Viper V10, Chevrolet Transmissions with Dimensions and Fluid Capacity, Chrysler Transmissions with Dimensions and Fluid Capacity, Ford Transmissions with Dimensions and Fluid Capacity, Torque Converters with Dimensions and Fluid Capacity, TH700R4 / 4L60E / 4L65E Stage II - Stage V, 6L80E / 6L90E Frn Std till 1000Hp version, 6L80E / 6L90E From Stock to 1000Hp version. Foremost on the list is the Sonnax clutch apply kit. Legal/Privacy. The TCM-2650 is compatible with the GM 6L45/50, 6L80/90 . It was created to help GM meet ever more demanding CAFE regulations on their vehicles. I have a 2wd 2000 regular cab stepside bed Silverado that used to make closer to 600-650 wheel horsepower with the D1-SC Procharger and 4L80E. For a type A code, the MIL will illuminate after one drive cycle with the malfunction present. These concerns may be caused by a sticking TCC Regulator Valve (Figure 5). The solenoids can be replaced separately, but only with the same type of solenoid. The new 2019 Camaro gets the a10 but, Its not the a10 (10L90) from the ZL1. This drives up the price of the rebuilt converter, but ensures that this kind of failure wont happen again. Its been on the road for a few years, and were starting to see some common failures for this unit. The 6L80E uses four under drive gears and two overdrive gears. Fluid pressure is maintained by an off-axis main pump that can vary the displacement depending on the load. Our transmission shop specializes in rear wheel drive Ford & GM high performance transmissions. GM LS1 - LS9 / Chrysler Gen III and Viper V10, Conversion. Chevrolet, Buick & GM Engines into the Jeep Ford 1.8L - 2.5L "Pinto" Engines into the Jeep 4L60E (and its tougher 4L65 & 4L70 variants). and GCVW of 21,000 lbs. Also, Im not sure if the trans will allow converter lockup at WOT. 6L80/90 - 8L90 Floor Tap Shifter Kit. TIPM Problems! The dealership was able to provide this part rather quickly. First introduced in 2005, the 6L80 transmission is a 6-speed automatic gearbox that is made by General Motors at their Willow Run transmission factory in Ypsilanti Michigan, and at their transmission plant in Toledo, Ohio. It began replacing the 4L60E transmission in many vehicles starting in the 2006 model year. So the service life is limited, and the warranty will only last 1-2 years. The complaint A 2005 Ford F350 with the 6.0 liter diesel engine and 5R110W transmission has set a P0753 Pressure Control Solenoid A Electrical Fault code and a P2700 Transmission Friction Element A Apply Time Out Of Range code. At part pedal, when acceleration is brisk, single-step upshifts would result in very frequent shift events (a very short time in gear). Just keep scanning it until you find the one you are looking for. Trans temps climbed to 195 and has stayed there ever since. The transmission can also signal the engine to drop power during a shift if there's a possibility of clutch damage. Internally they are very different but at least with the 8l90 you do not need to completely disassemble the transmission to convert to 4wd from 2wd. Sometimes, finding the cause of a complaint isnt as straightforward as one would expect; sometimes, these causes can be very elusive. As to length, this transmission is 26-1/4" long. Online Buyer's Guide 2020 10l80 4wd an I one to convert to 2wd. Be aware of your output shaft version before proceeding with any adaptation. Torque Converter 260 mm with Electronic Controlled Capacity Clutch (10L80 ECCC) A horsepower revolution spawned by GM's increasingly powerful Gen. III+ V8 engines and their aggressive platforms such as the Cadillac STSV, XLRV, various trucks and SUV's and the venerable Corvette. Conveniently, the main transmission that the 6L80E is going to be confused for all have a different number of pan gasket bolts. Beyond that, its probably not a good idea even if it will allow lockup because that clutch surface area is limited. document.write("- "+yr); First, check for updated programming for the TCM strategy. Jeff Smith: The TCI six-speed automatic is indeed a revamped or upgraded 4L80E. As a result, it became a popular choice despite sharing most of its internal components with its predecessor, the 700R4. Complaints of erratic shifting, poor shift quality, missed shifts, and other shifting and TCC control complaints are becoming more common with these units. There are five main inputs the vehicle uses for transmission shift strategy, they are: The Adaptive Learning Drive Cycle must be performed after any of the following procedures are performed: Perform the adaptive learning drive cycle on a level road surface as follows: After the final step, place the vehicle in park and cycle the ignition key off. The case is a cast aluminum alloy. Developing any new technology will cost an absolute ton of money, which why its not unusual for car companies to co-develop things like chassis and transmissions. and it can handle a total gross vehicle weight of 8,600 lb, which makes it a great transmission for LS swaps with no modification needed whatsoever. All rights reserved. Transmission Pan Bolt Set Chevy 6L80E 6L90E 8L80E 8L90E 10L80E 10L90E 18pcs. Essentially what TCI did was to engage the overdrive at the back of the trans to split the gear spread between the original First and Second gear ratios and again between Second and Third. (bellhousing pattern - Chevrolet, Fit-all), (bellhousing pattern - Chevrolet, BOP, Fit-all), (bellhousing pattern - Chevrolet/removable), 1991-Later (bellhousing pattern - Chevrolet), (see also capacity of fluid in the converter. But the replacement of this assembly requires new bolts. Brake pedal position: Directly affects shift scheduling and TCC scheduling, Air/fuel management adaptive values reset. Gm hydro 10 speed. $499.00. The stator shaft support housing is fitted with a converter drive gear and idler gear. 2wd transmissions feature conical shaped tailhousings and an output yoke, which are replaced with a typically shorter 4wd style output shaft of varying lengths and spline counts, depending on the application. Its interesting how the new 8- and 10-speed automatics have essentially turned the traditional powertrain ratio scheme 180 degrees. 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. Which one you use is going to depend on whether or not the transmission is in or out of the vehicle. Indirectly affects shift pressure control. Hi, im doing a swap from Yukon 2019 to 1987 Regal. I am currently planning on a high compression LS2 and a progressive nitrous kit but before another 4L80E goes in there is a 6,8, or 10 speed not an option? The gearing spread is a very capable 6.04, with ratios in each gear as follows: First: 4.02, Second: 2.36, Third: 1.53, Fourth: 1.15, Fifth: .085, Sixth: 0.67, Reverse: 3.06. GM was still using their trustworthy 4L80E transmissions for heavier duty use, which was essentially a 1960's technologyTH400with added 1990's overdrive and electronic controls. Learn how your comment data is processed. They are listed as Type A, Type B, and Type C diagnostic trouble codes. Powerglide (bellhousing pattern - Chevrolet, Fit-all), TH350 (bellhousing pattern - Chevrolet, BOP, Fit-all), TH400 (bellhousing pattern - Chevrolet, BOP), TH200-4R (bellhousing pattern - BOP, Fit-all), TH700-R4 /4L60 (bellhousing pattern - Chevrolet). Much akin to the GM 10L80-E & 10L90-E transmissions is the 10R80 transmission's oil pump. Page 2 August, 2019 Bulletin No. 2018 YUKON DENALI 64K ON THE MILES HAS A CLICKING NOISE AT A IDLE LIKE A CRACKED FLYWHEEL OR SOMETHING BOUNCING IN THE PAN CHEVY PUT NEW EXHAUST ON IT THINKING IT WAS IN THE CONVERTER ALSO PUT A NEW PUMP IN THE TRANS THIS SOUND IS NOT THE SAME EVERY TIME SOUNDS LIKE A BOUNCING BOLT SINCE THE PUMP WAS IN STALLED NOW SEEMS TO OLY MAKE NOISE WHEN WARMED UP MY SON IS A TRANSMISSION MAN HE SAYS IT A SOUND THEY MAKE WHEN THEY ARE SUCKING AIR NOT SURE ON THAT I WAS A MECHANIC FOR MANY MANY YEARS CANT FIGURE THIS OUT NOR CAN GM ANY THOUGHTS ON THIS ? 3. Members Established Member. : 18-NA-355 Special Tools DT-52263 Transmission Fluid Exchange Kit: DT-52263-1 Block Assembly (includes fluid drain Thanks Jeff. Grade braking and clutch line pressure (for greater holding power) are additionally great features that are activated by Tow / Haul mode on the truck platforms. That year, for the first time, the 10R80 ten-speed transmission was available with the 2.7-liter EcoBoost V6, 3.5-liter EcoBoost V6, or 5.0-liter Coyote V8 engine options and was even an option with their popular Raptor model. And with four gearsets and six clutches (2 brake, 4 rotating), the 10L80 10-speed has just one more clutch than the 8L90 8-speed transmission (this is partly because of a unique triple-clutch assembly mounted near the middle of the case). Its like wheres Waldo. Change Your Address, Yes, I would like to receive emails from Gears Magazine. All of the 1998-up cases used behind the LS family of engines used the separate bellhousing style of case. The 6L50, 6L80, 6L90, 8L45, 8L90, 10L60, 10L80, & 10L90 transmissions from MY2015 to current are filled through a port in the bottom of the oil pan. When other diagnostic trouble codes are present, there can be different, specific drivability concerns caused by the failure management program. Its good for a 12.69 @ 111 mph in cool dry weather.I go down the track with the lock up switch off. NonStop-Transmission. If thats the case, the valve body will have to be replaced to correct these concerns. There are too many differences between in communication protocols and renders the transmission nonfunctional. The 6L80 would have big shoes to fill, with legendary predecessors like the TH400, 4L80E and 4L60E transmissions. Repeat Steps 3 through 9 six (6) additional times. 6L80E Specs The 6L80 is a robust transmission and can handle a ton of power. 8L80E Many who work in the dealerships have become privy to the immediate failures that occur in this unit. In fact the input torque rating is 440 lb. One needs to realize that the stamped covers are not all that flat to begin with. Transmission Report: 6L80, 6L90 Transmission Tech Advisory: Consider an Updated Converter in Your Next Rebuild. The small 10-speed gear steps allow the engine speed to drop to lower values than it would in the 6-speed transmission, providing for the best fuel economy. To give you a sense of scope, for every single forged replacement cover that Sonnax sells for the 4L60-E TMBX, we sell many, many more for the 6L80/90 JMBX. Need to convert 10L80 rom 4wd to 2wd. I have a 2012 Corvette Grand Sport Auto trans. Nov 26 . Beginning with the F-150, it then made its way into the Mustang and the Expedition (as well as the Everest, and upcoming Ranger reboot). Maximum engine input torque for the 6L80 is 440 ft. lbs. Related Articles ATI introduces new e-clutch hub for ZF8HP51 Sonnax adds new stator support bushing for Ford 6F35 Alto adds to intermediate clutch PowerPack line for GM transmissions According to Sonnax, the heavy OE LFS, GFX announced a new pump component for GM Powerglide models, covering several vintage model years: 1950 through 1973. Engine speed: Directly affects shift scheduling, Torque Converter Clutch (TCC) control, line pressure, and transmission diagnostics. The 6L80 was approved for use in these vehicles weighing up to 8600 lbs. Why the Sonnax forged covers and pistons solve the problem. Always inspect the sump for possible evidence of debris that could indicate the pump drive gears could be failing. Drivability concerns are confirmed, and the pan is chock full of debris. Do you thing the 10L80 can be beefed up using 10L90 parts? Conceptually, locking the converter should help the mph trap speed by reducing slippage. Click Get a Free Estimate for an unbeatable price on a replacement remanufactured transmission. If the warmer is not mounted to the transmission, refer to factory information to locate it. Application RWD & 4WD / AWD My problem with the 4L80E is it was always a workhorse and in the past 25-30 years trucks have gotten much quicker and versatile. Ford is currently using this unit in the following vehicles: The 10R80 has ten forward speeds, one reverse speed produced through the following components: The 10R80 utilizes six shift solenoids that are listed by the factory as A-F and are linear force solenoids (Figure 1). ! For a type B code, the fault must be present after two consecutive ignition cycles, otherwise, the MIL will not illuminate (however, a pending code will store). Homepage: Garage: Wiki: Register: Community: Calendar: Today's Posts: Search: #Camaro6 . Its the best of both worlds. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant. Aisin AY6 6-speed longitudinal manual made by Aisin. And you are correct the converters in these units are experiencing a high percentage of failure and are more problematic than normal. The torque converter is a fluid turbine drive and - like those on its predecessor transmissions, the TH350C, 700R4, 4L60, and 4L80E - features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. Its a single-disc, non-captive clutch unit that is somewhat similar to late 300mm 4L60-E converters. *$3,245 does not include any Hard Part damage, Torque Converter or TCM/ECM tuning. 3) 6L80E with fixed output flange is about 2 1/2" shorter than 4L60E and about 3 1/2" shorter than 200-4R. Fits 6L80, 6L90, 8L90, 10L80 units, TR6060, TR3160 manual units. The 6L80 (and similar 6L90) is a six-speed automatic transmission built by General Motors at its Willow Run Transmission plant in Ypsilanti, MI.It was introduced in late 2005, and is very similar in design to the smaller 6L45/6L50, produced at GM Powertrain in Strasbourg, France.It features clutch to clutch shifting, eliminating the one-way clutches used on older transmission designs. This 7-3/8" long extension housing can eliminate transmission crossmember modifications when replacing a TH400 or TH200-4R transmission with a 4L60 assembly. The transmission is automatically shifted featuring performance algorithms to minimize upshifts during closed throttle driving to prevent unnecessary shifting. Do you know does the aftermarket have a fix? The Ford version is built at their Livonia transmission plant (Ford spent a reported $1.4 billion on retooling to build this transmission), and the GM version is built only a few miles away at their transmission factory in Romulus Michigan (GM spent a comparatively cheap $323 million retooling this factory). About 80% of issues are cured by updating the programming. Engine | Drivetrain | Powertrain Technical Discussions, https://www.delphi.com/dynamic-skip-fire-1. Other common 6L80E transmission problems include: Im thinking 3.73. As the 10 speeds continue to make their way into our shops, keep in mind the more you know about them, the better off youll be. As such, Sonnax has a good view of both sides of the pump, so we are intimately involved with engineering solutions to both trending transmission AND converter issues. I see where Summit Racing lists a TCI transmission that was originally a 4L80E but they list it as a six-speed transmission. You also asked about GMs new 6L80E. Note, all models will have a warmer. I believe the last digits of the model number are the power rating capabilities of the transmission. Second 2.99 Concerns can range from any of the following: These drivability concerns can be mistaken for transmission malfunctions. Fourth 1.80 The GM 10L80 Hydra-Matic transmission is one such hybrid component that General Motors jointly developed with, wait for it, the Ford Motor Company! Your cooperation with this program is greatly appreciated. However some 2wd vans and HD truck versions had a36 spline. * WILL ALLOW USE . 10L80 vs 10L90 Transmissions. The thought is that the bowl shape of the TMBX is better suited towards a more even apply, and because its thinner, the TMBX piston has the ability to flex and better conform to the front cover. The complaint A Ford vehicle equipped with the FNR5 transmission has a complaint of a severe slipping condition in reverse. This is the abridged version of my problem. Nothing but problems with it big clunks, engine revs up before grabbing a gear. Even though it has two more gears, creative packaging allows the 10L80 transmission to be no bigger or heavier than an 8L90 or 6L90. if the car would be faster with the 6 speed auto vs the 10 speed auto. 1) Centerline of engine and transmission are the same on LS block and all trans that mount to it. The factory clutch apply piston has a sharp, square edge that does not completely apply force across the entire clutch piston. The overall First gear ratio is deeper at 2.97:1 which means the car builder can leave a taller rear gear ratio in the rear end and still have great First gear acceleration. Its extremely important to scan all modules for codes and address those codes first! The idler gear is what drives the pumps driven gear. Indirectly affects shift control. While not new to the 6L80, it uses an Input Speed Sensor to monitor input speeds to compare against engine speed and Output Shaft Sensor speed, using this data to adjust shift speeds under instantly detectable conditions. Customers' pictures and movies from drag racing competitions. Ford considers this to be a normal condition! Indirectly affects shift scheduling and TCC scheduling. From the workshop on ongoing projects and more, and where the new images are added afterwards. For now, the bulk of reported cases are related to diesel vehicles. If the transmission is in the vehicle you can use the RPO tag in the glove compartment. See the pictures below to help you tell if you have the right transmission. Why the thin woven carbon clutch doesnt typically fail in the 4L60-E TMBX. During the inspection of the transmission, Brain noticed that the idler gear could be easily lifted off of the bearing with just the use of his fingers (see figures 2 and 3). Lets talk about some of the concerns and fixes we have been seeing. Made of billet aluminum with included swivel -6 AN fittings with 3/8" barbs. Remember, this is just a theory. Upon full inspection, the unit is loaded with metal, and the pump (bell housing) is worn to the point of needing remachining or replacement. I think the extra gears and the taller overdrive would be nice but I wonder if it's worth all the effort. Both 2wd and 4wd versions of the 6L80 can be used equally well, and there are no inherent advantages to either one once you have installed our adapter assembly. vehicle weights. In doing this, we evaluated another GM unit the 4L60-E TMBX to see if we could pick up any clues. Now controlled by computers, the E series transmission allowed for a wide range of tuning options. Your email address will not be published. Also since the transmission is different the gearing and tuning are naturally different. Once there is any metal-to-metal on the TCC surface at all, its usually a short time before debris wipes out the clutch completely. The GM 10L80/90 transmissions began production in 2017, meaning that we're closing in on six years of this transmission being on the road. I am interested in enhancing my vehicles performance. 4. Thx 60 mph with cruise on going down hill and truck will start down shifting. Each clutch is controlled by a corresponding shift solenoid A-F. _____ HBM 2016 2SS A8 NPP Pray . Quick 6 Clutch-to-Clutch Transmission Control System Our top-of-the-line controller for 6R80 transmissions. That way you get a longer service life, along with a 3-year/Unlimited Mile Nationwide Warranty.. I am making a great deal of changes to the truck from a Procharged 5.3 to a head, cam, Fast LSXRT intake LS2 on nitrous before we build a 3.9 bore and stroke twin turbo 372ci setup. (incl. But keeping the engine in its ideal RPM range allows the 10L80 transmission to operate with nearly the efficiency of a CVT transmission. 80 series is rated for 80 Newton's, 90 series is rated for 90 Newton's. But its interesting to note that there is a very low cover/piston failure rate for the 4L60-E TMBX converter. The question is will the 10L80 be as strong as the 10L90? They all look really similar, so make sure that you bother to count the pan gasket bolts, especially if you have an untrained eye. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Mazda 6 P0320: Meaning, Causes, & Diagnosis. Automatic Options - 4L60 and 4L60E. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. Thats a great question. $ 158.00 Select options. Both covers have very similar profiles and thicknesses, and you would not expect that one would be any more prone to flex or distortion than the other. If you have your heart set on a six-speed automatic to back your LS, consider TCI's 6X transmission. this means that dimension "C" is usually longer than dimension "B". In addition to developing innovative, quality repairs for transmissions, Sonnax is also the premier, full-line supplier of components to the torque converter remanufacturing industry. The Sonnax forged covers and pistons are designed to be flat and will stay that way through the forces of converter welding, miles of driving and varying input torque from the engine. After programming, perform the Adaptive Learning Drive Cycle and reevaluate the vehicle. vehicle weights. At times the 10-speed transmission may skip gears when the vehicle starts from a complete stop. All I can find is that it is sealed from the rear and just needs a new tail housing but some say its got to be completely rebuilt from the inside. As the transmission approaches normal operating temperature, reverse movement is non-existent. Read more columns from our Shift Pointers series here. This suggests that the idler gear and ball bearing assembly has a tight interference fit to the stator shaft support housing. It appears that GM has put a very minor taper into the cover and possibly the piston as well. The 6L80 Hydra-Matic transmission is a 6 speed automatic transmission manufactured by General Motors. After an internal inspection of your transmission, we will notify you of any hard part damage that will carry an additional cost. The Chevrolet Performance 6L80E trans comes with a set of wiring harness adapters and a flash drive that is used to configure the transmission to be used behind a GM LS engine in a rear wheel drive application. By the time a converter rebuilder opens up a JMBX, the damage is done, and it can be hard to see what happened first. LS 3 has a Big Turbo on it, I am only worried about rear gear, rest I have help with, Car never went over 130 or it red lined with Big Block, Never was a highway car, It has a 373 or a 323 in it, Not a 411 I know that much, Thats all, Im building a gen one Camaro and Ive purchased lt4 supercharged motor for it I was wanting to know if you know the difference in size for 10 speed transmission to a turbo 400 I need to know how much to raise my floor pan at tunnel and about how much fire wall to cut out. What is a good torque converter today for a 4.3 high output 4 wheel drive Blazer? The same shift strategy that is used for the upshift may be applied during a downshift. Hi Jeff, Now, the high-speed CAN network allows a high rate of data sharing between the units to achieve a collaboration between both engine and transmission functions. If concerns are still present, it may be necessary to service or replace the valve body assembly (Figure 6). Eighth 0.85 The source of the contamination, however, is not readily apparent. The 10R80 transmission is a 10-speed, rear-wheel-drive transmission that is controlled by a PCM or a TCM. The 6L80E went mostly into large vehicles with V8 motors. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. To be honest, we arent 100% sure of the real reason for JMBX cover and piston failure, but we do have a theory. But before you have a brand induced meltdown, lets look at all the things that make the 10L80 transmission so unique. It's a longitudinal transmission (that's what the L in 6 L 80E stands for). Statements on 6L80E trans with LS engine. Interestingly enough, it was not long after this that Brian received another 10L80 with the same issue to resolve. Its a little tough to see, but the thickness of the pistons is also different. Mine did it on flat ground only it downshifted four or more gears with a loud bang then jumped back up to tenth with the same bang. This transmission is the result of a collaborative effort with General Motors. At the current time, the only way to use a GM 6 or 8-speed automatic is to tie it in with a GM engine like the LS3 and use the engine controller to work with transmission. So, what's the unique problem with the 6L80, 6L90 converter found in full-size vehicles? Over time, technicians start to see the same patterns of failures in different families of units. Thank You.. Jef, Swapping a LS3 and 6 spd trans in , In place of a 454 and a turbo 400 3 spd, I currently have posi rear, Big yolk drive shaft, after the conversion, will i need to mess with the rear gear, or will I be ok for around town and occasional red light duel. The 6L80, adapted and ready for a Jeep Dana 300 and the Jeep New Process transfer cases. Based around the 4L80E (and fitting wherever a 4L80E will fit), the 6X is a true six-speed transmission that TCI rates at 850-plus horsepower. I didnt realize that it came equiped with such a lame gear ration 3.08. 97 it's a, I have a 2007 h3 hummer base model. Its only about a 3/4-inch band around the inside circumference of the converter. That certainly holds true for the 6L80, 6L90. The taper may exist so that the clutch surface goes flat when the cover is welded together were not sure. Related Articles Dana offers Spicer end yokes for Allison Transmissions ATI introduces six-speed Chevy transmission performance package Georend Transmission adds Ford 6R140 transmission pan kit. The button for Tap control is on the top of the shifter, making it easy to use in both left and right hand drive vehicles. The 6L80 / 6L90 uses three-way solenoids and variable bleed solenoids for improved shift quality. The 8L90 and 6L80 have the same size output shaft and mounting pattern. Thats pretty much all thats to it. If you have any questions that I may be able to help you with, drop a comment or contact me. It looks nearly identical to the 6L90. But in order to make this work properly, they began by making the overall First gear ratio deeper. The subject is a rather common electrical fault that may occur on the PCS line pressure solenoid circuit, which results in max line pressure. The check engine light might be on, and the customer complains of a slipping sensation with intermittent clunks. The factory 4L80Eand the stronger 4L85is essentially a traditional TH-400 three-speed automatic equipped with a fourth, overdrive gear. is louise williams still alive, facts about john murphy sock,
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