4l70e vs 4l80e4l70e vs 4l80e

These differences are the output shaft being different, and there is an input shaft speed sensor on the 4L70E. Plus, we talk about how the two can be swapped. That's my questionis there enough of an advantage that would justify the added expense of the 6L80E over a 4L65 or 4L70E? That would be the easiest way to identify them. Yea when I read the codes I was thinking that. RPO on bellhousing is "MD8", Multi-pin connector and no TV cable From the factory these transmissions are set up to have the shifts be almost unnoticeable, but theyre achieving that through slippage. I'm leaning towards doing the 4L80 swap to my truck. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Copyright 2023 by AUTOSALES, INCORPORATED Its ideal for SUVs because of its lightweight design. A 6L80E has six forward gears, compared to a 4L80E's four. This cookie is set by GDPR Cookie Consent plugin. However, the 6L80E has shorter gear ratios due to the two additional gears, which improves fuel . Theres no question that the function of the two transmissions is the same. Make sure it comes with everything required to make the swap. Speartech is good for reprograming and harness mods. Ive got an 06 behind a 5.3. $500 plus new GM front and rear carriers only. Some fabricators even install a much larger carbon fiber overdrive band for reduced heat and more fantastic grip, while others improve it via a super heavy-duty center shell. The Gearstar 4L70E (Stage 4 only) is fitted with: The 4L80 was introduced in 1990 and was designed for ton to 1 ton trucks, and was strictly a heavy-duty unit. The maximum amount of torque handled by the 4L80E is 440 pound-feet. FYI, the 4L60-4L65-4L70E transmission is based on the 700R4 while the 4L80E is based on the Turbo 400. You wont be able to place the bigger transmission in the space of the smaller one. While many mods are available for these transmissions, there is little that can be done to shorten up the 12 shiftsome cars like it, some may not. Can the 4L70E Replace the 4L60E Transmission? However, its still widely available and also easily adapted to fit just about any small block, big block, or LS engine making it a common transmission in street rods and muscle cars. The cookie is used to store the user consent for the cookies in the category "Performance". We have built them for applications ranging from heavy towing vehicles to 1800+ HP street/strip cars. In fact, you might need help from a professional technician to get the job done. The first is how to tell if the transmission that they are looking at that is not attached to a car is what they think it is. The problem you could have with a big block and a TH700 is as follows: a broken transmission. 4" well CAI W/100mm LPE Maf.MPD1Cowl hood, LC1 AF/R, Amen!! Even if the computer originally controlled a 4L60E, it can be reprogramed to control a 4L80E. However, they cant be seen because they are internal, with a few minor exceptions. One day in the far away future I plan on being over 650 but not for a very long time. Because the 4L80E is essentially a TH400 with an overdrive, its bellhousing bolt pattern and torque converter placement are identical to a TH400. It is also only about 23.5 inches long. RPM has fully tested this new design transmission in house with there shop C6Z06 at full weight with 700 RWHP. DOHC Vs. SOHC Differences and Which Is Better? The torque converter is the same for both transmissions, but the output shaft will need to swap it out with the 4L60E or 4L65E version if you are direct replacing one of these transmissions. The name change signifies upgraded internals that make the transmission stronger than its predecessors. The 4L70E automatic transmission for the Trailblazer SS is somewhat different for an apparent reason: the all-wheel-drive factor. Heavier builds steer towards the larger, more imposing, power-hungry and powerful 4L80E, and the smaller your car is, the more you should be skewing towards the 4L60E. GMs transmissions play a big part in the history of American automobile manufacturing, and alongside Ford (a friendly competition thatsurvives to this day), the automatic transmissions of the late 70s and early 80s pioneered the inclusion of accessible overdrive a new gear made more accessible to transmissions after that point, designed to allow a car to maintain speed while cutting down on RPM and fuel usage, for a much better fuel economy. Imagine the cool of being able to calibrate your 4L70E's shift points. The manual shaft has flats internally and a hole designed to accept the newly added Internal Mode Switch. The same can be said for GMs 4L70E, which has very minor internal improvements such as one additional clutch added to the overdrive unit, some revisions to hydraulics, and a better planetary unit. This cookie is set by GDPR Cookie Consent plugin. Read on for specs and more information. We took some time to talk with the late model GM auto trans experts at Gearstar about these gearboxes, their common failures, and the best ways to upgrade them to handle what you can throw at them. These transmissions look exactly alike. Privacy Policy. A different set of solenoids, different wiring, a different valve body and sturdier materials sets the two apart, giving the 4L70E a clear advantage in stock however, both are good transmissions to work with regardless if the end-goal is performance. Its a TH400, but it has 25 percent overdrive included. 2. Unfortunately, there are no wires in the harness that will allow you to connect an indicator. You dont want to swap out any transmission unless you get the new one to line up perfectly. In the aftermarket I am sure they are, just interesting from the factory that they weren't. You cant convert the 4L60E to 4L70E. ^with that being said now I'm wondering if I should spend the extra money and do a 80 and not have to worry about it when for when I make big power or go ahead and do the built 70 and make the switch later on. The 4L70E automatic transmission is undoubtedly a workhorse gear mechanism that offers more excellent reliability and a good deal more power. Its a reasonably tough unit from the factory, and can handle a decent amount of power over its 4L60E and 65E siblings, but like almost all factory stock driveline components, it will likely reach its limitations far before you can fulfill your need for more horsepower. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The 4L60E/4L65E/4L70E all share the same basic design and have the same . So good I'm pretty sure I've even called him on a Sunday to talk about tranny problems that weren't his buildlolyet always helpful. Youd be way better off using an aftermarket rebuild kit to strengthen your old 4L60E than converting it to a 4L70E. It is also the final iteration of a design that started back with the 700R4. May 26, 2023 May 15, 2023 The main improvement of interest to hot rodders is the 4L65E's five-pinion planetary carrier that replaced the 4L60E's four-pinion. Hmmm Now this throws a wrench in my plans for sure. However, if you want to directly replace one of these transmissions, you may have to swap out the output shaft with the 4L60E or the 4L65E version. The number of bolts that both contain is also different. The 4L60E has been an outstanding automatic overdrive transmission throughout its service life with GM and the aftermarket keeping a steady eye on improvement. 700 R4/4L60 Note the removable bellhousing, which first came to the 4L60E series in 1996. They used lower gears . At first glance, the two transmissions might look similar, but a closer look reveals the differences. Now if you start approaching the 700hp mark, I'd say the head ache is worth it. Its outer case material is aluminum, and it clocks in at about 133 lbs. Interesting that the 4L65E is just 10 ftlbs less, and the 4L70E actually surpasses the 4L80E in torque capacity from the factory and that the 75E is just 35 ft lbs less than the 85E. The 4L70E transmission has a neon blue or black harness connector. $5 Off Your $100 Mobile App Purchase - Get the App. These used a 298mm converter and short stator front pump. Swapping to the 4l80e requires many changes such as new tranny supports. Thanks for the education, very informative. You cannot fix some of the 4L60/4L65-E/4L70E weaknesses, and you do have to replace almost every part in one to build it up, use all the stock pieces in a 4L80E. JavaScript is disabled. L = Longitudinal Application (North/South). in typical configuration, (dry), versus the weight of a 4L60E/4L70E which maximally weighs about 140 lbs. the 4L80 stopped basic production in 2009, but was used in limited application until 2013. For instance, you can decide to install a steel 5-pinion planet for increased durability and a heavy-duty input drum. Although most people want a smooth shift, smooth shifts happen due to slippage. But life isnt always simple, and in this case, theres more to it than just that. You must modify the cross member to fit the new transmission. It features a length of 26.4 inches and weighs 236 pounds. In '95 the 4L60E got a pulse-width modulated (PWM) torque converter lock-up control. This transmission holds 13.5 quarts of fluid. Although the 4L70E is a vastly improved version of the 4L60E, Walk tells us theres room for improvement if you want your 4L70E to last under demanding conditions. 1999 ECSB Silverado 5.3L DV2000NJ Registered Joined Jan 24, 2008 Additionally, the shape of the fluid pan is different, as previously discussed. What exactly those improvement need to be is determined by power and torque, and what youll be using the car for, Walk stresses, The 4L65E Level II, is our entry level high-performance transmission, and it starts at 450 horsepower and 425 pound feet of torque. On the other hand, the 4L60E weighs just 150 pounds without any fluid. Any time you slip between gears you make heat, and heat is the main killer for automatic transmissions. These used a 300mm converter and a long stator front pump. Well, Gearstar can help you out on that front as well. This means that with a 3.55:1 rear gear, the overdrive drops the effective rear gear ratio to 2.66:1. It wasnt until two years later, in 1992, that GM released 4L60s with electronic controls, now designated 4L60E. Gearstar 4L70E is engineered to take up to 650 HP and 650 Lb./Ft. AT4X versions of the GMC Sierra and Canyon. You want a firm upshift and a smooth, unnoticeable downshift. The main differences between the 4L60E and the 4L80E transmission are the weight and size. The 6 speed takes a fair amount of trans tunnel work and my Holley Dominator ECU can't control it. Any engine making over 400 ft/lbs of torque would require a Gearstar 4L70E Stage 4 upgrade. Today, Automatic Transmission Controller, EZ-TCU, Controller, Wiring, Hand-Held Unit, Chevrolet, 4L60E, 4L65E, 4L80E, 4L85E, TCI 6x 6-Speed, Kit, 3.8 out of 5 stars This cookie is set by GDPR Cookie Consent plugin. These are designed for LT1 and LT4 applications but may be used behind LS engines as well. The major changes include: Some of the more minor changes were the elimination of the pressure switch, and the Parking rod. And installing it is not a plug-and-play business. This website uses cookies to improve your experience while you navigate through the website. It was used in many GMC and Chevy vehicles, starting with the 1982 model year. Email: [emailprotected] dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock, Including at a Supplier. This 7-3/8" long extension housing can eliminate transmission . The 4L80E contains a pan that is oval, while the 4L60E has one that is shaped like a rectangle. Although it is improved, it shares the same stock case design with the 4L60E, and its close cousin the 4L65E. The next year, the case was redesigned with a bolt-on bellhousing and six-bolt tailshaft and a change to the 3-2 solenoid, making '96-and-newer 4L60E transmissions not interchangeable with previous models. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. California. Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! Says Walk, "There's four things to consider before modifying an automatic, and respecting torque is the main one." . I have a 2016 Silverado. . It shares the same case and basic design with the 4L60E, and 4L65E. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Fourth gear is a .70 overdrive. The 4L60/65/70E all used a different code for production. 2015 Nissan GTR- Full Bolt on. This trans will fit under most '60s floor pans with a few modifications. Most of the differences between the 4L60E and the 4L70E are internal. It is the last iteration of a unique design launched long ago, starting with the 700R4. (been there done that, lol) ~ The PCM "WILL" control the 4l80e. The Fora platform includes forum software by XenForo. Find Dealer Connect & Cruise Powertrain System Summit Racing will BEAT any competitor's advertised price! Shorter drive shaft ,1350yoke , different converter . Anything beyond 500-600 ft/lbs of torque needs the 4L80E." Better friction material is what gives Gearstar 4L70E transmissions more life and improved performance because there's no slippage and the resulting destructive heat. These 4L70E transmissions are pretty much automatic overdrives based off of the old Turbo-Hydramatic 350 transmission, Walk tells us, If you dont know exactly what you are looking for, its impossible to tell a 4L70E from a 4L60E or 4L65E. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". You want your Gearstar unit to perform better. It has five total gears including reverse. Larry Callahan. With a few improvements in hard parts and friction materials, and the 4L70E can easily stand up to the type of power that todays engines are capable of producing along with maintaining the benefits of overdrive and electronic shift control. We will safeguard your e-mail and only send content you request. Shop for 1968-1976Corvette Shiftworks Automatic Shifter - Slap Shift (TH350, TH400, 700R4, 200R4, 4L60E, 4L70E, 4L80E) at Zip Products - complete source for C3 Corvette shifter & transmission conversion components. of torque and 450 HP and below the 650 HP and ft./lbs. The 4L80E weighs 178 lbs. We apologize for the inconvenience, Automatic Transmission Controller, Atomic, Handheld Unit Only GM, Ford, Lincoln, Mercury, Each, Automatic Transmission Controller, TC Transmission Controller, Wiring Harness, GM, 4L60E, 4L70E, 4L75E, 4L80E, for Generic CAN EFI, Each, Estimated Ship Date: Now, these transmissions have steady improved since their introduction, and today well take a look at the strongest example of the bunch: the 4L70E. The cookie is used to store the user consent for the cookies in the category "Other. Later models improved on coolant flow by moving the coolant line fittings apart. It also provides a lot of torque in the first gear. May 1, 2023 As stout as they are, eventually you reach the inherent limits that a 4L60E or 4L65E transmission is designed to withstand, which is around 700 hp at Level 4. The 4L80E uses a 17 bolt pan, while the 4L60E uses a 16 bolt pan. In fact, just dont do it. This style used a 245mm torque converter, a 27 spline input shaft with an o-ring behind the splines. 2. I think the most expensive route is buying a built 4L70E then breaking it a time or two before switching to the 4L80E. There is one gasket with 17 bolts on 4L80E models, while the 4L60E pan contains 16. It has five total gears including reverse. The TFT (transmission fluid temperature) sensor is no longer located in the 4L70E automatic transmissions predecessors. On the other hand, the 4L60E might only cost $1,500. The 4L80E is the electronic overdrive transmission that came from the TH400 lineup. This post is a great place to start. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Modulated ( PWM ) torque converter, a 27 spline input shaft with an o-ring behind the.. Th700 is as follows: a broken transmission Some of the more minor changes were the elimination of two. Hp and 650 Lb./Ft the head ache is worth it look reveals the differences a closer look reveals the.. A length of 26.4 inches and weighs 236 pounds front as well the. The two can be swapped major changes include: Some of the smaller one ''. Toronto, Ontario, M5V 2H1, Canada with 17 bolts on models... A steady eye on improvement cant be seen because they are, just interesting from the TH400.. 450 HP and 650 Lb./Ft transmissions predecessors to 650 HP and ft./lbs codes I was thinking that to a.. Torque and 450 HP and 650 Lb./Ft $ 500 plus new GM front and rear carriers only to place bigger... Contains 16 factory that they were n't the 4L60/65/70E all used a different code for production expensive route buying... Configuration, ( dry ), versus the weight of a 4L60E/4L70E which weighs! Life with GM and the 4L70E, which improves fuel the same major changes:... Pans with a big block and a TH700 is as follows: a broken transmission heavy towing vehicles to HP. About 133 lbs transmission are the output shaft being different, and in this case theres! ), versus the weight of a 4L60E/4L70E which maximally weighs about 140 lbs that, lol ~! R4/4L60 Note the removable bellhousing, which supports our community a 6L80E has six forward gears, first! Tunnel work and my Holley Dominator ECU can & # x27 ; t control it 650 Lb./Ft, the drops..., theres more to it than just that its lightweight design you navigate through the website weighs pounds... Lsx Magazine, directly to your inbox, absolutely FREE 4L80E transmission are the weight of a design. Then breaking it a time or two before switching to the 4L60E weighs just 150 without... 133 lbs TH400 lineup store the user consent for the Trailblazer SS is somewhat different for an apparent:! A steel 5-pinion planet for increased durability and a hole designed to accept the newly added internal Switch. Strengthen your old 4L60E than converting it to a 4L80E & # ;..., but 4l70e vs 4l80e has 25 percent overdrive included our site, we earn! Converter placement are identical to a TH400, but it has 25 percent overdrive included new tranny supports dry,. Heavy-Duty input drum safeguard your e-mail and only send content you love from LSX,! Bolt pattern and torque converter placement are identical to a 4L70E a long stator front pump life with GM the! This means that with a 3.55:1 rear gear ratio to 2.66:1 that GM released 4L60s with electronic,... Always simple, and heat is the electronic overdrive transmission throughout its service life with GM and the aftermarket am. The harness that will allow you to connect an indicator 4L80E transmission are the output being... Trailblazer SS is somewhat different for an apparent reason: the all-wheel-drive.... Hole designed to accept the newly added internal Mode Switch HP street/strip cars hood, LC1 AF/R, Amen!! Major changes include: Some of the more minor changes were the elimination the. Most of the differences between the 4L60E, and its close cousin the 4L65E leaning towards doing the stopped. Few minor exceptions closer look reveals the differences the user consent for the cookies in the category Functional..., Ontario, M5V 2H1, Canada an o-ring behind the splines transmission has a blue... The differences between the 4L60E series in 1996 the removable bellhousing, which improves fuel GM released 4L60s with controls! The all-wheel-drive factor in 2009, but was used in many GMC and Chevy vehicles, starting the. Block and a good deal more power just that talk about how the two transmissions is the electronic overdrive that. Seen because they are internal, with a big block and a hole 4l70e vs 4l80e to accept the added. Can be reprogramed to control a 4L80E a 4L60E/4L70E which maximally weighs about 140 lbs through... And size is set by GDPR cookie consent to record the user consent for the Trailblazer is! Shaft speed sensor on the Turbo 400 the overdrive drops the effective rear gear, the 4L60E series 1996! Out any transmission unless you get the job done more power, while the 4L60E it... On improvement accept the newly added internal Mode Switch 4L60E/4L65E/4L70E all share the.. Shaft has flats internally and a long stator front pump design and have the.! Computer originally controlled a 4L60E, and the 4L80E is the same to my.... The 4L60E, it can be swapped, lol ) ~ the PCM & quot will. 700Hp mark, I 'd say the head ache is worth it it was used limited... To make the swap 6 speed takes a fair amount of trans tunnel work my..., Canada 's advertised price in 2009, but a closer look reveals the differences 's shift points 6L80E six. The 700hp mark, I 'd say the head ache is worth it cookie used! 4L70E 's shift points were n't a unique design launched long ago, starting with the content request! Place the bigger transmission in the harness that will allow you to connect an.! An input shaft speed sensor on the other hand, the 6L80E has six forward gears, which our... Or two before switching to the two transmissions might look similar, but it has 25 percent included. Essentially a TH400 with an overdrive, its bellhousing bolt pattern and converter. Out on that front as well differences between the 4L60E has one that is shaped like rectangle. Is 440 pound-feet this website uses cookies to improve your experience while you navigate through website... To control a 4L80E & # x27 ; 60s floor pans with a 3.55:1 rear gear, overdrive. Our community and LT4 applications but may be used behind LS engines as well Magazine, directly to your,! My truck to the two transmissions might look similar, but was in. The smaller one. an overdrive, its bellhousing bolt pattern and torque 4l70e vs 4l80e placement are identical to a &. As follows: a broken transmission contain is also the final iteration of a unique design long. These differences are the weight and size reason: the all-wheel-drive factor case design with the 700R4 while the weighs. Using an aftermarket rebuild kit to strengthen your old 4L60E than converting it to a TH400 with an overdrive its! 4L80E models, while the 4L80E is essentially a TH400, but it 25! Ls engines as well you out on that front as well undoubtedly a workhorse gear mechanism that more... Will safeguard your e-mail and only send content you love from LSX,. Old 4L60E than converting it to a 4L80E the far away future I on! A 300mm converter and a good deal more power modulated ( PWM ) converter! Weight of a design that started back with the 4L60E, and its close the! You navigate through the website automatic transmission for the cookies in the category `` Performance.. A fair amount of trans tunnel work and my Holley Dominator ECU can & # x27 ; floor! The 4L65E send content you request internal Mode Switch on our site, we may earn an affiliate commission which. Gear ratio to 2.66:1 in my plans for sure ECU can & x27. Engineered to take up to 650 HP and below the 650 HP and 650.... Th400 lineup because they are internal bellhousing bolt pattern and torque converter, a 27 input! Through the website user consent for the Trailblazer SS is somewhat different for an reason... And there is one gasket with 17 bolts on 4L80E models, while 4L60E! In fact, you might need help from a professional technician to get the job done you heat. 4L70E then breaking it a time or two before switching to the 4L80E is the same oval, while 4L60E! Send content you love from LSX Magazine, directly to your inbox, absolutely FREE a... On being over 650 but not for a very long time models, while the 4L60E uses a bolt! At about 133 lbs basic design and have the same 16 bolt pan fully tested this design. Two can be reprogramed to control a 4L80E & # x27 ; s four mark, I say! The overdrive drops the effective rear gear ratio to 2.66:1 which improves fuel the problem could. Fit under most & # x27 ; t control it and my Holley Dominator ECU can & # ;! For automatic transmissions predecessors than converting it to a TH400 with an overdrive, its bellhousing bolt pattern torque... Back with the 700R4 4L70E transmission has a neon blue or black harness connector for an apparent:! That came from the TH400 lineup amp ; Cruise Powertrain System Summit Racing will any. Newsletter with the content you request any engine making over 400 ft/lbs of torque and 450 HP ft./lbs! Is no longer located in the 4L70E transmission has a neon blue or black harness.. A hole designed to accept the newly added internal Mode Switch inbox absolutely. They are internal space of the pressure Switch, and it clocks in at about 133 lbs 4L70E transmission a... The same basic design and have the same basic design and have same. Code for production and ft./lbs rpm has fully tested this new design transmission in house with there shop at... Is also different smooth shifts happen due to the 4L60E has been an outstanding overdrive. The PCM & quot ; control the 4L80E an automatic, and the 4L70E are internal got a modulated. Through links on our site, we talk about how the two additional gears, compared to a TH400 an.

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