In fact, there are absolutely no cast-iron components, including the 10L80 stator support. 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). Brian at Tommy Boys Performance, however, has the opportunity to work with a local dealership assisting them when their workload gets heavy. 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. After programming, perform the Adaptive Learning Drive Cycle and reevaluate the vehicle. For both types A and B, a freeze-frame record will be stored in memory if the MIL illuminates. Case 1 piece aluminum with integrated bell housing 10R80 transmission swap? TIPM Problems! Your cooperation with this program is greatly appreciated. Sonnax highlights two product lines for helping with heavy solenoids for GM/Ford 10L/10R and 9T series transmissions. They are listed as Type A, Type B, and Type C diagnostic trouble codes. 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. Larry Callahan Founder/Administrator of Pro-Touring.com, G-Machines.com and HostMyJunk.com To advertise on Pro-Touring.com click here 1. 2. The stator shaft support housing is fitted with a converter drive gear and idler gear. Solution This 10L80 transmission problem could be the result of a failed oil cooler line fitting retaining bolt. Our transmission shop specializes in rear wheel drive Ford & GM high performance transmissions. Quick 4 Stand-Alone Transmission Control System Autostart / Autostop function disabled (if equipped), Transmission Adaptive Pressure Control and adaptive shift values Frozen, High line pressure (harsh shifts and engagements). This took the dealership a much longer period of time in acquiring these bolts for Brian to complete the job. Every modern GM vehicle has one of these sheets in its glove compartment. GM states, ". When other diagnostic trouble codes are present, there can be different, specific drivability concerns caused by the failure management program. TSB 18-NA-026 Transmission fluid leak It also contains a durable transmission pan, reliable gear seat, EPC, a 13-vane pump assembly, high-performance cooler, hardened stator shaft with rings and specialized control solenoids. This platform did not get Gen 4 (58x CKP) engines until 2008. GM 10L80: A new kind of pump noise. Finally I am looking for a Chevrolet Caprice PPV to build into a fun road trip sedan for the family with either a LS3 or L92 engine block, stock LSA crank, rods, pistons, ARP hardware through out with CNC LS3/L92 heads and a pair of turbos with a goal of 750-950 horsepower at the wheels. 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. Thank you. The 6L80 began manufacture in 2005 for release in 2006 model year GM vehicles, persisting until at least 2016 in both 6L80 and 6L90 versions. I have a 2012 Corvette Grand Sport Auto trans. Will it be like the 5th gen's where the ss got the 6L80 and the more powerful ZL1 got the 6L90? There are too many differences between in communication protocols and renders the transmission nonfunctional. The transmission can also signal the engine to drop power during a shift if there's a possibility of clutch damage. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. GM has been useless to say the least, and waited me out (now off warranty). This suggests that the idler gear and ball bearing assembly has a tight interference fit to the stator shaft support housing. If concerns are still present, it may be necessary to service or replace the valve body assembly (Figure 6). * An extension housing p/n 8673406 (old p/n 24214689) is available for the TH700R4/4L60 transmission that moves the rear transmission mount to the same position as a TH400 (short-style 4" tail) or TH200-4R transmission. That way you get a longer service life, along with a 3-year/Unlimited Mile Nationwide Warranty.. General 10-speed automatic with integral turbine clutch torque converter The 4L80E is a very large, heavy transmission but, like its original TH-400 cousin, it can absorb and transmit an enormous amount of engine torque. Other common 6L80E transmission problems include: Third 2.15 3-Bolt Adapter Flange Yoke Kit. Genuine ICT Billet - Bolts Made in USA!!!! The 10R80 transmission is a 10-speed, rear-wheel-drive transmission that is controlled by a PCM or a TCM. Fluid pressure is maintained by an off-axis main pump that can vary the displacement depending on the load. For the most part, this transmission has been phased out by the 8L90E already, but is still in prodution. From the workshop on ongoing projects and more, and where the new images are added afterwards. 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. These concerns may be caused by a sticking TCC Regulator Valve (Figure 5). Unlike previous shift solenoids, they are mechanical in nature in that no transmission fluid passes through them (Figure 2). The Ford 10R80 is a new 10-speed, rear wheel drive transmission that's available in several models, beginning in 2017. Dimension "C" is the distance from the bellhousing to the center of the transmission mounting pad. And now, with some of these transmissions coming out of warranty, the aftermarket will soon begin to see issues that occur with them beyond their first years of life during their aging process. Maximum engine input torque for the 6L80 is 440 ft. lbs. If thats the case, the valve body will have to be replaced to correct these concerns. Always inspect the sump for possible evidence of debris that could indicate the pump drive gears could be failing. Torque Converter 260 mm with Electronic Controlled Capacity Clutch (10L80 ECCC) Structurally, the 8L90 is similar to the 8L45, except that it is made to handle more power and torque. and GCVW of 21,000 lbs. Foremost on the list is the Sonnax clutch apply kit. Indirectly affects shift scheduling and TCC scheduling. Thought's? Account. Wait 3-5 minutes before driving. I didnt realize that it came equiped with such a lame gear ration 3.08. The 6L80E uses four under drive gears and two overdrive gears. vehicle weights. How is this different from the GM 6L80E transmission that is used in the Corvette or in the newer GM trucks? The GM 10L80 Hydra-Matic transmission is one such hybrid component that General Motors jointly developed with, wait for it, the Ford Motor Company! Now he serves as a regular contributor to OnAllCylinders. The original first three gear ratios are in fact still the same as the TH-400. There are swaps for the 6L80 and 6L90 but they dont support all the Trailblazers. Thats right, you can find a variation of this Ford GM 10-speed automatic transmission in the Ford Mustang GT and the Chevrolet Camaro ZL1! Joined Feb 11, 2007 Messages 11 Location . Thanks Jeff. The source of the contamination, however, is not readily apparent. * DOES NOT INCLUDE A DRIVESHAFT OR CROSSMEMBER. Even though it has two more gears, creative packaging allows the 10L80 transmission to be no bigger or heavier than an 8L90 or 6L90. Recommended fluid is Dexron VI and it typically accepts a 10 quart thru 12.6 quart fill depending on its application. All previous GM automatic transmissions were virtually all based on hydraulic controls, and received increasing electrical elements as they modernized. 8L80E Most of us have either seen or heard of the new 10-speed transmission Ford is offing behind the 2.3L EcoBoost, 2.7L V6, 3.5L EcoBoost, 5.0L gas, and 3.0L Power Stroke Diesel engines. Do you thing the 10L80 can be beefed up using 10L90 parts? You also asked about GMs new 6L80E. Seventh 1.00 The drive gear and idler gear with the bearing are not sold separately. Shift stabilization is achieved through these and similar strategies. 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. full. The replacement solenoid band number must match the band number of the solenoid being replaced. The TCM is actually even programmed to adjust its operation for transmission clutch wear. RATIOS 4.70, 2.99, 2.15, 1.80, 1.52, 1.28, 1.00, .85, .69, .64. However some 2wd vans and HD truck versions had a36 spline. yr=d.getFullYear(); Beyond that, its probably not a good idea even if it will allow lockup because that clutch surface area is limited. While its true that, many times, the root cause of a converter failure lies in the transmission, in this case, there is ample evidence that the opposite is true: an inherent torque converter problem might be the root cause of a lot of the transmission failures. Copyright 2006-2020 GEARS Magazine. It looks nearly identical to the 6L90. Its been on the road for a few years, and were starting to see some common failures for this unit. In contrast, when the 10-speed transmission is at heavy or max throttle, the small steps keep the engine closer to the horsepower peak for the best performance. Repeat Steps 3 through 9 six (6) additional times. This drives up the price of the rebuilt converter, but ensures that this kind of failure wont happen again. You will need to ship your transmission to us for the rebuild. What came first: the chicken or the egg? What is your recomendation for towing? Its a longitudinal transmission (thats what the L in 6L80E stands for). Since these are straight cut gears, they will tend to be somewhat noisy. Interestingly enough, it was not long after this that Brian received another 10L80 with the same issue to resolve. When cutting the JMBX open, converter rebuilders report that a high percentage of units show extreme damage due to the clutch piston and front cover crashing into each other (Figure 1). By reducing the rpm drop between gears, the engine remains within its power band. This is the abridged version of my problem. Find Dealer. 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. Chevrolet Transmission Dimensions Dimension "C" is the distance from the bellhousing to the center of the transmission mounting pad. Bolt and gasket inlcuded. The 6L80, adapted and ready for a Jeep Dana 300 and the Jeep New Process transfer cases. If you are tearing down a new job and cant find any hard part failure that would result in the amount of metal you have in the pan, its just about certain that the inside of the torque converter looks like the disaster area shown in Figure 1. The check engine light might be on, and the customer complains of a slipping sensation with intermittent clunks. So its no wonder that the new cars accelerate so welltheyve got a ridiculously deep overall First gear ratio and reduced rpm drops between the gear changes. Statements on 6L80E trans with LS engine. The overdrive ratio thats added is 0.75:1. 10L80 Transmission Specs General - 10-speed automatic with integral turbine clutch torque converter Application - RWD & 4WD / AWD RPO Code - MF6 Production Began - 2017 Case - 1 piece aluminum with integrated bell housing Torque Converter - 260 mm with Electronic Controlled Capacity Clutch (10L80 ECCC) Eighth 0.85 I & II Spin losses (i.e. 1) Centerline of engine and transmission are the same on LS block and all trans that mount to it. 6L80E Torque Converter Power Raptor Full Size Non-Billet Number 88-6L80-1, now with Billet Cover Option. The way the power is applied is different than the 4L80E / TH-400. should check for clearance. Brake pedal position: Directly affects shift scheduling and TCC scheduling, Air/fuel management adaptive values reset. Cadillac CT5 2021 MHS Automatic 10L80 Transmission 10-Speed 24294949 AWD 2427812. The HydraMatic can be adapted to the popular Jeep transfer cases, including the: Essentially all factory GM 4wd applications available with an OEM configured 6L80 have adapters and transfer cases that are prohibitively long for a Jeep, and transfer cases whose sizes and gearing fall short of desirable for most Jeep applications. It features a dry weight of ~195 lbs. Page 2 August, 2019 Bulletin No. So is the 10L90 entirely different or does it just have stronger parts? As a transmission rebuilder, you know that flatness and rigidity of both apply and reaction surfaces are key to long clutch life in transmission clutch packs its the exact same in the torque converter. To view our 2020 replacement transmission pricing guide, click here. By Wayne Colonna. Special tools are often needed when diagnosing transmission problems and overhauling units. Also, Im not sure if the trans will allow converter lockup at WOT. GM 6L80 and 6L90 units are now starting to reach their prime age in the repair cycle, and techs across the country are starting to see a consistent pattern of transmission failures with full-size 6L80, 6L90 vehicles. Note: The mounting pad is usually a part of the extension housing, but the graphic shows it on the maine case. 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? Starting with the 2017 Ford F-150, the 10R80 transmission was an option. Its the best of both worlds. 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. After an internal inspection of your transmission, we will notify you of any hard part damage that will carry an additional cost. With REVolution, your transmission becomes an integral, critical part of your combination, allowing you to maximize its performance using either the Quick 6, Quick 4, or Quick 2 controller. Our theory as to why 6L80, 6L90 converters fail like they do is related to the shape and thickness of the JMBX piston. Your email address will not be published. 80 series is rated for 80 Newton's, 90 series is rated for 90 Newton's. First, check for updated programming for the TCM strategy. 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. I think the extra gears and the taller overdrive would be nice but I wonder if it's worth all the effort. 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. As these units accumulate more mileage, these concerns may become more frequent. Always appreciate the great exchanges. ** Currently 10L80 units are 2017+ so are dealer-only or salvage yard only. 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. At times the 10-speed transmission may skip gears when the vehicle starts from a complete stop. The 6L90 has a beefier set of gears and many internal upgrades. But tall highway gearing arent the only way that this transmission maximizes efficiency. The high pressure oil pump inside this transmission is incredibly complicated for no visible reason. Customers' pictures and movies from drag racing competitions. They can then use these unseen components throughout their different product lines and improve their profit margins through the lower shared development costs. The traditional small-block six-bolt bellhousing pattern is the best and easiest way to identify a 4L60E style transmission if you find one at the swap meet for sale. 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. 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. In fact the input torque rating is 440 lb. You are browsing camaro6. It is a 5 position shifter, Park, Reverse, Neutral, Drive and Sport Mode. Dissecting the E-Ray, the First Hybrid AWD Vette. Thought's? Getrag 260 5-speed longitudinal manual made by Getrag. ! Did the converter clutch material just wear out, thus allowing the clutch and cover to go metal-on-metal? Learn how your comment data is processed. Its good for a 12.69 @ 111 mph in cool dry weather.I go down the track with the lock up switch off. Gm hydro 10 speed. Looking at the two different front covers from the OUTSIDE, they are very similar, with just a few minor differences (Figure 2). Some Tahoe and Yukon HD 6.0L, not hybrid, may also have this transmission but most have 6L80 or a 10 speed 10L80. The idler gear is what drives the pumps driven gear. Maximum shift speed is 6500 RPM. As we have all learned with other units, very often the root cause of a converter clutch failure stems from a failure within the electro/hydraulic controls from the transmission. Muncie M20 4-speed longitudinal wide ratio manual transmission made by GM at their Muncie, Indiana factory. Will it be like the 5th gen's where the ss got the 6L80 and the more powerful ZL1 got the 6L90? 2) Trans vertical position is the same on 200-4R,700R4,4L60,4L65,70E,6L80E. The 1-piece aluminum case houses a slim 260mm 10L80 torque converter inside the integrated bell housing. I see where Summit Racing lists a TCI transmission that was originally a 4L80E but they list it as a six-speed transmission. Pre-Owned. Its valuable to know that the debris you are seeing in the pans of all of those 6L80 and 6L90 units is very often from converter failure. If the power circuit to the transmission solenoids fails open, then all solenoids are failed electrically off. It is a heavy duty version of the 6L80 six speed automatic with a strengthened input gearset which has two additional pinion gears for six total and a strengthened output gearset that uses wider gears than the 6L80. This pan fits the GM 6L90, 6L90E transmission, typically found on these vehicles: . to 885 ft. Objectively, it is a fairly simple repair: simply remove the transmission pan, remove the valve body, unbolt the TEHCM from the valve body and install the new one. Powertrain Expo But, GM had been in transmission limbo, so to speak, needing a modern transmission to fill the duty gap between the excellently versatile4L60E (and its tougher 4L65 & 4L70 variants)and the Allison transmissions. The Nightmare on Oak Street: A hunt for 4L30E electrical problems How. _____ HBM 2016 2SS A8 NPP Pray . 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. - Scope testing the Ford 10R80. While converter failures are not uncommon with other transmission families, you are thinking that this is really becoming a pattern for the 6L80, 6L90. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. But keeping the engine in its ideal RPM range allows the 10L80 transmission to operate with nearly the efficiency of a CVT transmission. DESIGNED FOR GEN V LT1 & LT4 ONLY. or gross weight of 14,000 lbs. The TMBX and the JMBX have similar covers and use the same woven carbon friction material, yet the JMBX fails catastrophically at a very high rate and the TMBX cover rarely fails. Check out delicious pictures and movies from Peter Mrup, Dennis Andersson and Svein Pedersen. To handle the increased output torque capacity, the 6L90 departed from the long-standing GM 32 spline specification output shaft of the 6L80 and went to larger diameter 29 spline for most truck applications. Its interesting how the new 8- and 10-speed automatics have essentially turned the traditional powertrain ratio scheme 180 degrees. At times the 10-speed transmission may skip gears when the vehicle downshifts to a complete stop. As you build the best transmission that you can for your customer, you should consider including an updated torque converter in the repair estimate. lbs., with a respectable GVW of 15,000 lbs. Hi Jeff, I have a 2016 Silverado with the 5.3 and the 8 speed transmission. 2020 10l80 4wd an I one to convert to 2wd. The 10L80 was a joint engineering effort between GM and Ford. 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. Ive heard a little about thisdid they add two more gears to the transmission? 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). Related Articles Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes How to service the Honda 10-speed transmission Solving, This article applies to Chrysler RFE, RLE and TES transmissions that utilize pressure control solenoids (PCS) for line pressure control. 10L80 Transmission. Why the Sonnax forged covers and pistons solve the problem. The Transmission Control Module (TCM) is an adaptive learning, 32-bit computer integrated into the valve body of the 6L80 / 6L90 and communicates with the Engine Control Module via the onboard vehicle CAN bus network. If we change to the latest GM 10-speed automatic it has a 4.70:1 First gear and is factory matched with a 2.85:1 rear gear. Also fits '05-'06 Pontiac GTO (differential side). Thanks to the optimal gear spacing, the engine RPM only drops approximately 20% when the 10L80 changes gear. The 10R80 doesn't have a traditional "front" pump. Fits 6L80, 6L90, 8L90, 10L80 units, TR6060, TR3160 manual units. Conveniently, the main transmission that the 6L80E is going to be confused for all have a different number of pan gasket bolts. By combining a wide 7.39 overall gear ratio spread, with smaller steps between each gear, this GM 10-speed automatic transmission is able to keep the engine in its ideal power band during acceleration. Cart : 18-NA-355 Special Tools DT-52263 Transmission Fluid Exchange Kit: DT-52263-1 Block Assembly (includes fluid drain To handle the increased output torque capacity, the 6L90 departed from the long-standing GM 32 spline specification output shaft of the 6L80 and went to larger diameter 29 spline for most truck applications. When its enabled at low speeds the exhaust tone becomes muffled, the AFM valves clatter open and closed, v4 vibration and increased injector noise is nothing but annoying, especially with a convertible. Drivability concerns are confirmed, and the pan is chock full of debris. - Critical wear areas and vacuum test locations: GM 10L and Ford 10R series, - Shift pointers: A 4T65-E that wants to move in Park and Neutral, Being tuned in: The value of transmission tuning, Ford harsh downshifts: 6R75 2-1, 10R60 7-6, Announcing the winners of the Top 20 Products and Tools contest, Diagnosing an unusual problem: A slow-to-respond solenoid, Video: Lubegard Limited Slip Supplement overview, Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes, How to service the Honda 10-speed transmission, Solving electronic control problems in todays automatic transmissions, Sonnax highlights 10L/10R solenoid stabilization retainer, 9T clip insert, GFX adds new pump for vintage Powerglide models, Searching for the source of an unexpected transmission fluid leak, Transmission slipping in fifth gear: An elusive cause of a common problem, 10R80/10L90 Ford & GM Ten Speed Unique Filter System. Beginning in 2010, all 2500 and 3500 Express / Savana with a 4.8L or 6.0L engine used the 6L90 transmission. Automatic Options - 4L60 and 4L60E. Gilbert, Electronic challenges exist when mixing and matching the 6L80 as they must be matched to their particular engine. The GM 10L80/90 transmissions began production in 2017, meaning that were closing in on six years of this transmission being on the road. Wait 2 seconds. The transmission will bolt up but will not work since the TCM, Tehcm and BCM are application specific and cannot interchanged. Online Buyer's Guide The 6L80 has surprised us power transmission aficionados with its wholesale adoption of new and very different technologies. Reply. Transmission Pan Bolt Set Chevy 6L80E 6L90E 8L80E 8L90E 10L80E 10L90E 18pcs. Starting in 1996, many 4L60E transmissions employed a bolt-on bellhousing. Special engine computer programming strategies may be required. A used 10L80 is pulled from a wrecked vehicle, so theres no telling what may be wrong with it, or how long it will last. 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. Its a little tough to see, but the thickness of the pistons is also different. We Specialize In: GM LS Conversions Engine & Trans Combo Kits Unique Ready to Run Engines Have a question? Sticking valves and sticking CIDAS solenoids are becoming more common concerns with these units. TRU-STREET 10L90E TRANSMISSION W/ 1800 STALL LOCK UP CONVERTER. That certainly holds true for the 6L80, 6L90. Gears Magazine What all needs to be done to change it from four-wheel-drive to 2 Wheel Dr? Upon a test drive and a scan, code P0741 is noted and the percentage of TCC slip shows to be way out of range. Or did the OE stamped steel cover and piston flex and twist to the point that the clutch surface was not flat, causing a premature friction failure? Complaints of erratic shifting, poor shift quality, missed shifts, and other shifting and TCC control complaints are becoming more common with these units. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant. That is just the beginning. Your email address will not be published. Fourth 1.80 It is currently phasing out the 6L80/6L90 transmissions (although it hasn't done its all the way yet. But in order to make this work properly, they began by making the overall First gear ratio deeper. A P59 PCM controlled both the engine and the transmission. 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. Each clutch is controlled by a corresponding shift solenoid A-F. 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. All this is handled with application of planetary ratios. The following drivability conditions will be present when this type of DTC is stored. Reproduction in whole or in part without permission is prohibited. You also asked about GM's new 6L80E. Power Pack Only, for Power Hub | 195756-7754. 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. The 6L80 would have big shoes to fill, with legendary predecessors like the TH400, 4L80E and 4L60E transmissions.