6l80 gear ratios. 03, a second gear ratio of 2.
6l80 gear ratios In terms of RPM drop than the wide ratio gear set. The TCM receives and monitors various electronic sensor inputs, and uses this However, in 2019 is when they released the Supermatic 6L80E six-speed transmission. 63-1=0. 54L (10. 29 = 5. 03:1 2nd 2. Sep 17, 2023 · While nearly identical, the 6l80 is a slightly smaller transmission, with a total weight of around 195 pounds dry and 23. 42-1. These transmissions were developed alongside the Gen III/IV GM powerplants that everyone loves these days. 92 gets us a 11. 3. 03, so running too steep of a rear gear may make that gear mostly useless depending on how much power you have. 27 gears converter locks up in 5th and 6th gear at slight throttle or cruising at 45-50mph with the 4. 364:1 3rd 1. Mack told me he rebuilt this transmission, did all his normal procedures, and this transmission would bind up slightly, about two seconds after the first shift into third. 73 or 4. 364-1. 15, a fifth gear ratio of 0. 34, 1. e. It doesn't seem to be quite as reliable as the 4L60's. Is the 6L90 a good transmission? As anyone could see, the 6L90-E transmission is flawed, as is any mechanical Sep 13, 2020 · C7 Z06 Discussion - 8L90 to 6L80 - Yes you read that right - I have a 2017 Corvette Z06 with Heads/CAM and the Magnuson 2650. Nov 3, 2023 · I have a 2017 Chevy Silverado 1500 LT, 5. 03:1 First gear, it's a stump puller. Navigation. Whether it is on the control side or the internal function of the unit, transmission malfunctions will cause the customer to bring the vehicle to you with driveability complaints. A lot of updates have occurred to the parts to address the problems you may be experiencing. A Hydra-Matic 4L80 transmission at the Ypsilanti Automotive Heritage Museum The 4L80-E ( RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. —a 45-percent increase over the regular-production six-speed transmission. Changing gear ratios is fully automatic and is accomplished through the use of a Transmission Control Module (TCM) located within the transmission. Apr 17, 2017 · Need more information. 62-0. 360 Sep 17, 2023 · 6l80e Transmission Fluid Temperature. 23. 6667:1 (5:3) is good; Up to 1. 852 6th Gear Ratio 0. Ill attach the current tune that is in the truck. 064 Torque Converter Size (Diameter of Torque Converter Turbine) 258/300 mm Pressure Taps Line Pressure Transmission Fluid Type DEXRON® VI Transmission Fluid Capacity 9. 15, Fifth: There is a major disparity in the gear ratios of the 4L80E and 4L60E transmission. The 6L90 also features gear ratios wider than the 6L80, allowing for better fuel economy and performance. 364; Third gear — 1. 02 (1st), 2. The two planetary gear sets provide the six forward gear ratios and reverse. The 2010 Camaro L99 6. First . Modular Design This 6L80E transmission promises to redefine what’s possible, bringing your vehicle to new heights of performance. 08 is too tall and is worried it'll bog at highway speeds (0. 91. Designed for rear-wheel-drive (RWD) and four-wheel-drive (4WD) vehicles, the 6L80 is a top choice for trucks, SUVs, and performance cars, offering a seamless blend of power, versatility Nov 8, 2023 · The 6L90 is an upgrade over the 6L80 transmission and inside this transmission, you will find the following features: 1. I just found out the Pontiac G8 GXP with the manual has the exact same trans and ratios, except the final drive rear is 3. 77 final drive ratio. Nov 8, 2022 · About the GM 6L80 Automatic TransmissionThe 6L80/6L90E automatic transmission fills a much needed duty gap between the versatility of the 4. 17, 2. The planetary gearsets in the 6l80 transmission are designed to provide multiple gear ratios, allowing for smooth shifting and optimal performance under various driving conditions. 03 first gear. Both the 6L80 and 6l90 transmissions requires around 13. 2400?2800k Stall Converter. Mar 30, 2018 · As time goes by, we see more and more of these 6L80s showing up at the door. Second . 02. They're for use with Chevrolet Performance LS and LSX crate engines in 2WD applications. . Here is the gear ratio of the 6L80E automatic transmission: First gear — 4. 027 2nd Gear Ratio 2. Like Dec 23, 2010 · I have the 5. 064; The 6L80E transmission’s RPO code is ‘MYC’ and is manufactured domestically in GM’s Michigan plant. Friedrich Wilhelm Nietzsche states, “the devil is in the details. 03 x 2. - The 4th gear ratio is between 1. Right now at 50mph it goes into limp mode since my speedo limiter is set at 100. You will get plenty of torque from the 5. 01, 2nd-2. In comparison, the 6l90 transmission is about 1. 064 Torque Converter Size– Diameter of Torque Converter Turbine 258/300 mm Pressure Taps Line Pressure Transmission Fluid Type DEXRON VI® Transmission Type: 6 Six Forward 2nd Gear Ratio 2. 04, with ratios in each gear as follows: First: 4. The transmission lacks a direct-drive, but features two overdrive gears. 532 4th Gear Ratio 1. For more information on 6L80 transmission problems, click here. The 6l80 normal operating temperature is in the 180-200 range when fully warmed up, and this based on the thermostat that prevents transmission fluid from running through the whole transmission cooling system in an effort to improve gas mileage. Multiply that by 2. The 6L80 features a generously deep first gear for an automatic, making for favorably powerful starts from a standing stop. 06 The 6L80 has a first gear ratio of 4. Any help would be greatly appreciated. There are 3 gear sets utilized in this upgrade, one input and 2 outputs which aid performance and give you the shifting power you are looking for. For slipping, you might need to replace worn clutches or adjust fluid levels. The 6L80 has unique operations, such as an advanced computer controller constructed into the valve body and a direct clutch to clutch shifting. 15:1 / 5th . First gear: 4. 7500:1 (7:4) is acceptable The 8L90 transmission can be paddle shifted and features 4. It reminds me of how often we used to see 4L60Es. 3, with a 3. * Gear ratios: 4. 42 axle. That the 6L80E quickly appeared in sports vehicles like the Corvette and Camaro. With this deeper First gear ratio and the 1:1 sixth gear, the ratios in between further narrow the rpm drop between gears. 027 2nd: 2. The 6R is a 6-speed automatic transmission for longitudinal engine placement in rear-wheel drive vehicles. 667 Reverse 3. Supermatic 6L80E Gear Ratios. Where is the 10L90, 2. 84, 6th-0. 76 2. This automatic transmission has remained in production through the 2009+ model year. 73 as standard. Dec 13, 2021 · I have a 2011 Camaro SS with a new GM performance LS3 495 hp crate engine with a built 6L80e automatic transmission with a circle D 4200rpm lockup stall converter with stock 3. Sep 7, 2005 · 1st Gear Ratio 4. 667:1 4. The 8L90 actually ways less than the Corvette 6L90 and fits the same space as the 6L80 and 6L90 despite the fact that it contains four gearsets and five clutches. 364: 3rd Gear Mar 22, 2022 · What temp should a 6L80 run at? The 6L80 is a transmission used in Chevrolet Camaro. 2" The 6L90 uses a 29 spline output shaft in the 4WD. 50:1 rear gear ratio is equal to a traditional TH-400 (or stock 4L80E) with a 4. Keep in mind that with a 6 speed tranny, you get a lower first gear ratio, and more closely spaced ratios as well. Gear Ratios. It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France. 48:1, 3rd gear – 1. The top gear ratio of 0. 6L80 4. 08 qt) — STS-V (6CDA) General information and specifications plus great high performance replacement parts for GM 6L80 and 6L90 automatic transmissions from Global Transmission Parts. 02:1, enjoy powerful launches on the road. Remaining on gears, the 6L80E can get away with having two more gears, which results in substantially shorter gear ratios. Aug 13, 2012 · The 6L80 (and similar 6L90) is a 6-speed automatic transmission built by General Motors at their Willow Run Transmission plant, in Ypsilanti, MI. Third. The 6L80E’s gear rations are as follows: Learn about the gear ratios and performance upgrades of the GM 6L80E and 8L90E six and eight speed automatic transmissions. 14, 0. • A Marmon/Berkshire Hathaway Company The products listed here may be protected by one or more patents or be patent pending. Slipping and gear ratio errors are common issues with the 6L80 transmission. 0 and 6. Gear ratio errors occur when the actual gear ratio doesn’t match the expected one. It was designed for both AWD/4WD and RWD General Motors applications. ” Here’s a quick look at the areas that must always be addressed when rebuilding a 6L80 vs 6L90 transmission. Feb 5, 2011 · The ratio of front/rear drive differential carrier assembly application is split with 33 percent to the front axle and 67 percent to the rear axle under normal conditions, but since the system is torque biased, that ratio can range from a more balanced 45:55 split up to a 25:75 split depending on road conditions and driver demands. Transmisison Gear Ratio Chart 2006 Corvette: Service Bulletin: 6L80 Automatic Transmission (RPO MYC) 351 July 18, 2014 Clutch and Transmission 0 2. It has a top gear ratio of 0. 6L80 vs 6L90 Differences. How good is the 6L80 transmission? In response to the question ‘how reliable is the 6L80 transmission?’, the answer partly depends on how well the transmission is maintained. That doesn't make a lot of sense because the OD gear ratio change from the 60 to the 80 is so slight it shouldn't be noticeable. 850 Sixth: 0. 03:1 / 2nd - 2. Get help anytime—our team is ready to assist you, whether online or by phone. 2L has a 6L90E and 3. How exactly have you "messed with" these transmissions that you have built up a reference for, other than driving a vehicle with a particular transmission? Dec 6, 2021 · He also said he previously had the 3. 04:1 gear ratio to allow for strong acceleration in the lower gears and low RPM cruising when on the highway. 57. 482; 3: 1. 48:1 rear axle ratio, this combination would be exactly the same as an early Jun 1, 2014 · Gear ratio spacing equals Current gear minus gear being shiuft3ed into 3. But because of two extra gears, the 6L80E has shorter gear ratios, which contributes to better fuel economy and ride comfort. 5″ longer. 67:1. 77 ratio of the 10L80. A number of 6L80 transmission problems can occur however, including slipping and failure of reverse gear. 56:1First gear ratio with a theoretical 2. Changing gear ratios is fully automatic and is accomplished through the use of a Transmission Control Module (TCM) located inside the transmission. Our Tire Height Calculator and Gear Ratio Calculator can be used for the first to attributes but the user’s knowledge of the transmission ratio is assumed. 02:1 First gear, if the rear axle ratio was a 2. 152 5th Gear Ratio 0. 03:1 first gear ratio are particularly susceptible to this, and likely pair best with the 3. 67 final OD). We have seen several patterned failures, written numerous articles, and found countless fixes to keep these units on the road (and the list doesn’t end). Feb 9, 2023 · A 4L80E has four gears for driving forward, while a 6L80E has six. 07, 3rd-1. Innovative Six-Speed Design: The 6L80 transmission boasts a unique six-speed setup, offering an extensive range of gear ratios that significantly improve fuel efficiency and enrich the driving dynamics. ©2023 Sonnax Transmission Company, Inc. Sounds like maybe a converter/lockup issue ? Mar 13, 2017 · The gear ratio's are 1st - 4. The manner in which each gear is selected in the 6L80 is optimized for best performance. 67. Jun 30, 2020 · Let’s take a closer look at the 6L80/90E Park Rod! GM updated the original Park Rod in 2008 to a heavy-duty Park Rod. One could plug in the transmission gear ratios on the top 6 gears of the 8 speed and it would work, as well as putting in the 4 gear of the older transmissions. The 6L80E is a type of 6-speed automatic transmission, which was introduced in the 1994 Camaro. 294; Knowing these gear ratios informs you if it is ideal to swap one of these transmissions for the That's a 45 percent increase over regular-production versions of this same transmission. SuperMatic 6L80-E transmissions feature: The 4L80E also features a lock-up torque converter, an added overdrive gear, as well as state-of-the-art electronic controls. May 31, 2023 · I'm brand new here but active on other GM forums where the 6L transmissions are actively being discussed so figured I'd start a similar all-encompassing transmission thread with videos, links and other information as it relates to the 6L80/90 transmissions. 67:1 ensures balanced highway performance, delivering an exhilarating driving experience. 10 x 0. 45:1 final drive ratio from the manual transmission 10-15’ Camaro SS. It allows for smooth and efficient shifting between gears. 064 to 1; This 6-speed automatic transmission is much larger than its predecessor, the 6L80E transmission, and features at least one more clutch plate in every pack than the 6L80E. 36 (2nd), 1. With a ridiculously low 4. 00. And a stock 6L80 can handle more power through it than almost any built 4L60. on the face of it, it looks like they are using an Jul 10, 2008 · Effective Gear Ratio. 059; 2: 1. 064 Torque Converter Size -Diameter of Torque Converter Turbine 258/300 mm 300 mm Pressure Taps Line Pressure Line Pressure Transmission Fluid Type DEXRON VI® DEXRON VI® Transmission Type: 6 Offers six forward speeds, with gear ratios of 4. 666 gear spacing between 1st and 2nd 2. Dive into the intricacies of the 6l80e gear ratios with SunCoast Transmission’s advanced performance enhancements. They're for use with Chevrolet Performance LS and LSX crate engines in RWD applications. 66 = 4. This allows the transmission to be 6L80E Gear Ratios. 36. 852:1 6th 0. Overall, the gear ratios in the 6l80e transmission are carefully chosen to provide a balance between performance and The 6L80, on the other hand, has a first gear ratio of 4. 15, Fifth: . Calculating for the rear ratio that's equivalent to the 6L80e / 2. The difference is the axle ratio. 532 1. - The 3rd gear ratio is between 1. 3 with the 3. 75. Here is an example; Trans 1st gear final dr. My plans are to stroke the engine out to a 416 N/A with about 600hp at the crank. 19:1 rear gear. Jul 7, 2020 · I am moving from a 2020 Camaro SS to a 2021 1LE with the 10 speed transmission. It is based on the same, robust transmission offered in a number of rear-wheel-drive production vehicles, including the Camaro and Chevy trucks, but is enhanced with specific internal components that contribute to a higher output torque rating of 650 lb. 03 1st gear transmission ratio you won't need 3. 00, 5th-0. 79-0. 28: 3rd Gear 4th Gear 5th Gear 6th Gear; 6L80E / 6L90E: N/A: 4. 6L80 cars, with their aggressive 4. The 6L90E also contains one more clutch plate in each clutch pack than the 6L80 for heavier duty applications. Oct 11, 2024 · Solving Slipping and Gear Ratio Errors. I think I would stick with 3. 3L V8 with 141k miles on it. It's halfway done, rolling chassis, starting wiring harness now. It was introduced in late 2005, and is very similar in design to the smaller 6L45/6L50, produced at GM Powertrain in Strasbourg, France. In terms of Jul 26, 2019 · Note: There’s no direct 1:1 gear as with most transmissions. All previous GM transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as an electro/hydraulic controlled transmission. Although, the problems with the 6L80 are usually consistent. Is this on the transmission tune, or adjust DD?? Just curious. 42 ZL1: 11. 02:1 rear gear! Unmatched Features of the 6L80 Transmission. First gear in those things is like 4. Enjoy enhanced control and power output, making every drive a thrilling experience. SuperMatic 6L80-E transmissions features include: Jan 19, 2011 · "The main difference is that the 6L80E has much more versatile gear ratios. This is the same ratio as a 4R70W transmission. 02: The 6L80 transmission is a six-speed automatic transmission used in various vehicles. 42 gears. It also features two overdrive gears. We need to get close to this number to have the same effect in first gear. A deep first gear enables strong launch performance, while the top gear supports balanced performance on the highway. Fourth. GM 4L80E, 4L85E Automatic Transmission 4L80E & 4L85E Transmission Ratios & Specs. 23 rear axle gear to go with my 6L80 transmission. The transmission will bolt up but will not work since the TCM, Tehcm and BCM are application specific and cannot interchanged. Then, because the six-speed is splitting ratios, the rpm drop between gears is less because TCI has turned this into a five-speed automatic with an overdrive. 027 to 1; Second gear: 2. Slipping often happens when clutches or bands fail to engage properly. Specifications and gear ratios for the 10R80/10L80 10 speed automatic transmission developed in a collaboration between Ford Motor Company and General Motors. What is going to be the best gear ratio Jan 13, 2024 · The 6L80 is a double overdrive. 532: Dec 2, 2020 · Gear ratios are wayyyyyyyy better for MPG, towing, performance, acceleration you name it. Oct 16, 2023 · The 4L80E transmission typically has the following gear ratios: 1st gear – 2. Oct 29, 2011 · As in the 6L80, gear changes from second to sixth gears are accomplished with clutch-to-clutch control, where an oncoming clutch is engaged and an "offgoing" clutch is released in a precise manner to achieve the ratio change. 852 to 1; Sixth gear: 0. SuperMatic 6L80-E transmissions feature: * 3,000 to 3,400 stall converter * Electro/hydraulic controls with clutch-to-clutch shifting * Output torque rating of 650 lbs. Not sure if any tables or anything is missing to adjust the gear ratio in the trans. The 8L90 improves the Stingray’s effi ciency up to 5% versus the 6L80, with a steeper fi rst gear ratio to improve launch capability. The sheet is specifically set up for the 6L80/6L90 transmission gear ratios. 364=1. 48:1, 2nd gear – 1. 6L80E / 6L90E High Performance Transmissions / Standard - 1000Hp; Services; Racing. 73s and see how you like it, then maybe bump down to 3. 03-2. 48:1, this would be the exact same First gear ratio as a TH400 or 4L80E with a 4. 34K Models: 2006 Chevrolet Corvette with 6L80 Automatic Transmission (RPO MYC) Purpose This bulletin introduces and highlights features of the new Hydra-Matic 6L80 Automatic Transmission. I'm assuming the HP range won't be a problem based on new model Vettes running this transmission with 600+hp to Aug 5, 2024 · What Chevy trucks have the 6l80 transmission? The 6L80E transmission is widely used in popular GM applications such as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, STS, and CTS, Camaro, and G8. It seams to have 2 overdrive gears-5th & 6th for fuel economy. 6L80-E Gear Ratios. 92 = 6. 832 spacing between 2nd and 3rd gear The 6L80E became a much stronger competitor to the Europeans with six front gears. Jan 27, 2023 · The 6L80e has a 4. Aug 13, 2019 · The 6l80E transmission are the same through the entire line with changes made thru production in electronics. Gear Ratios: First Jul 3, 2011 · From everything I know, the base coupe and the GS use the same A6 transmission. The failure was the rivet, or end of the Park Rod, would wear out. For ease, we'll round that Jan 29, 2012 · I have an LS3/6L80e out of a wrecked 2010 Camaro, no cam, no stall, just tuned. 78 = 3. Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E six-speed automatic transmission offers an exceptional torque rating of 650 lb. I just got an 8 inch BDS suspension lift on it, sitting on 37x1. 667 to 1; Reverse: 3. sonnax. 69:1. Which engine? You mention the 6l80 transmission which is a great transmission; however, so now is the 8 speed which requires different gearing. 625; 3: 1. 63=1. The 6L90e is a heavier-duty version of the 6L80E, Upgrades consisted of a strengthened input gear set and a strengthened wider output gear set. 360 Third: 1. 077; The gear ratios for the 4L60E are: 1: 3. 5x24 tires/rims. Ratio. The early release of this product line was introduced in Cadillacs and Corvettes, but before long it became mainstream for GM’s light duty pickup and SUV lines. Modular features- this includes upgrading the hydra-matic design of the 6L80. 67:1 and an overdrive gear ratio of 0. 02: 4. 5 quarts of transmission empty. It employs a direct All versions share a unique output gearset configuration that enables it a wider range of ratios than a conventional planetary gearset automatic transmission. 27 gearing it turns 2100-2200rpm in 6th Feb 28, 2018 · Introduced in late 2005 to become the 6-speed replacement for the 4-speed transmissions such as the 4L60E, the 6L presented several new challenges. Aug 10, 2008 · 6L80E Gear Ratios; Site Sponsors & Vendors If this is your first visit, be sure to check out the FAQ by clicking the link above. It is based on the ZF 6HP26 transmission [1] and has been built under license by the Ford Motor Company at its Livonia Transmission plant in Livonia, Michigan. 152 1. 0. 43, 4th-1. ratio Aug 7, 2008 · The gear ratios are; 1st-3. To know the differences between the 6L80 vs 6L90, it is expedient to check out each of these transmission units. The Ford 10R80 and GM Hydra-Matic 10L80 is currently used in a variety of fullsize vehicles by both manufacturers. —a 45-percent increase over regular-production versions of the six-speed automatic. There are too many differences between in communication protocols and renders the transmission nonfunctional. The transmission lasted until 2016, available in 6L80 vs 6L90 versions. 53, Fourth: 1. I originally wanted to run a T56 Magnum in the car, but I like the idea of a 6 speed auto. 14 RPM drop than the wide ratio gear set. Trans Jul 18, 2014 · The pressure plate, when applied, provides a mechanical "direct drive" coupling of the engine to the transmission. High Side Driver 2 — the High Side Driver 2 circuit commanded position. Specs. -ft. 030: 2. This transmission can be used The 6L80 transmission is a six-speed automatic transmission developed by General Motors, renowned for its exceptional performance, strength, and efficiency. With the six-speed’s 4. 0667; Reverse — 3. 52, 1. 36:1 / 3rd - 1. General Motors originally manufactured this transmission. You may have to register before you Jan 14, 2021 · The 6L80 and 6L90 transmissions have become the most popular rear-wheel drive GM transmissions in most of our shops. Oct 24, 2017 · Tried adjusting everything that has to do with gear ratio and speedo but nothing makes a difference to try and match front and rear speed sensors. If we combed this deep 4. 2. 92: Wide: 11. There are [no] optional rear axles ratios available for either the 2011 A4 base coupe or the 2011 A4 GS. 852; Sixth gear — 0. Let’s look at some examples. It does not have a direct 1:1 ratio like the 4L80E and 4L60E, which is worth noting. Second Gear: 2. 77 / 2. 03 6L80 gear ratio. The scan tool displays the gear ratio which was calculated from the transmission input shaft speed sensor (ISS) and the auto-matic transmission output shaft speed sensor (OSS) inputs. 152:1 5th 0. The gearbox Information about General Motors Hydra-Matic 10-speed 10L80 automatic transmission, including specs, vehicle applications, variants, gear ratios & more. The Differences Between 4L80E and 6L80E Sixth gear ratio: The sixth gear ratio is the highest gear ratio in the transmission, designed for cruising at high speeds with minimal engine RPM. Holley EFI OBDII Transmission Tuning Handheld must also be updated whenever rear axle Gear Ratio is changed. 75:1. 750; R: 2. Gear Ratio - Enter the rear axle gear ratio :1. 53 (3rd), 1. Sep 29, 2023 · The manufacture of the 6L80 began in 2005 and was released in most GM vehicles in the model year of 2006. Introduction Jun 3, 2019 · The GM 6L series units are quickly replacing the 4L60E as the most common unit shops find in their stalls today. - The 6th gear ratio is between 0. The base coupe gets a 2. Jan 31, 2022 · A power adder can dramatically alter the low end torque output, to the point where you could over-gear the car and create traction issues. Compared to the TR6060 that the LS3 uses, the gear ratios from 1st gear to 4th are very, very steep. Gear. equipped with a 6L80 transmission has an EPA rating of 16 MPG in the city and 28 MPG on the highway, with a combined rating of 20 MPG. 532:1 4th 1. What are the clutches and bands used for in a 6l80e diagram? The modular concept of the Hydra-Matic 6L80 centers on the desire for common components and manufacturing tooling for four different size variants of the six-speed family. Identification. 53:1 / 4th - 1. 48. The gearing spread is a very capable 6. 152 to 1; Fifth gear: 0. I've only towed once, but it was pretty easy. • The following 6L80/6L90 gear ratios are achieved in the specified gear range while the TCC is com-manded on: - The 2nd gear ratio is between 2. 6L80 Transmission It almost feels like a flare when it shifts from 2-3 or sometimes on the 5-6 shift, but only under light load conditions. 11-02-23 1 Drop-In Zip Valve ™ Parts See kit components at www. The planetary gear sets provide the six forward gear ratios and reverse. Jun 21, 2019 · 6L80/6L90The 6L80/90 is a heavier-duty six-speed automatic transmission. 71. 04, with ratios in each gear as follows: compared to your stock JK auto transmission you can see a 6L80e has a much better 1st and second gear 6L80-E Gear Ratios Exceptional torque rating Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E 6-speed automatic transmission offers an exceptional torque rating of 650 lb. 027: 2nd Gear Ratio: 2. 06-1. Furthermore, the 6L80E is heavier and significantly bigger, and it can handle slightly less power than the 4L80E. 04, with ratios in each gear as follows: Step 1: Select transmission from the drop down list or, if it's not in the list and you know the gear ratios of your transmission, enter them below. – a 45 percent increase over regular production versions of the 6-speed automatic. com. 670 A 3. problems with trans gear ratio. Like the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues. 482; 2: 1. Performance. While the 6L80 transmission case allows for only four pinion gears, the 6L90 features a longer transmission case allowing for additional two pinion gears, making it a total of six, making the input gearset stronger. 01 = 3. Finally, Sonnax offers what they call the Zip Kit (learn more about the Zip Kit here) which includes a series of valve body components that are common wear items or pieces that can be improved. In subsequent years, this transmission, known as the 6R60/75/80, Dec 18, 2016 · Name 6L80; RPO Codes: MYC: Production Location: Ypsilanti, Michigan (USA) Transmission Drive: Rear Wheel Drive: 1st Gear Ratio: 4. The transmission controller ex-ecutes commands at 160 times per May 22, 2017 · In this issue of GEARS, we’re going to delve into the Ford 6R80 transmission and discuss some of the more recent and major changes that have taken place. 03, a second gear ratio of 2. It's amazing how the first three gears of a 6L80 come close to a Turbo400 with a 4. 07-1. 085:1 / 6th . — Gear Step 1st To 2nd Gear As Small As Possible — With continuously decreasing gear steps (yellow marked line Step) the largest gear step is the one from 1st to 2nd gear, which for a good speed connection and; a smooth gear shift; must be as small as possible A gear ratio of up to 1. 78:1 by our gear ratio to create our effective ratio: 4. 89 Transmission Drive Rear Wheel Drive 1st Gear Ratio 4. 00; 4: 0. Recommended fluid is Dexron VI and it typically accepts a 10 quart thru 12. 97:1 First gear with a 3. 56 1st gear ratio compared to a lesser 4. Jan 6, 2020 · One way to do that calculation is simply to multiply the Gear Vendors' overdrive ratio of 0. I would like to get rid of the 8L90 because of the issues the A8 has with the tragic 4/5 shift. Apr 28, 2015 · I chose a 3. I understand the duty rating difference, I am just having trouble finding all the gear specs to compare. With a deep first gear ratio of 4. Can anyone recommend an optimal gear ratio for the rear end with my setup? Apr 1, 2018 · This allows a greater degree of smoothness at lower vehicle speeds. 36 x 2. 532; Fourth gear — 1. 42's if you want to turn a little slower on the highway. 02, Second: 2. 73 - 4. 152; Fifth gear — 0. Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E 6-speed automatic transmission offers an exceptional torque rating of 650 lb. 6" Please verify your spline information before starting any May 14, 2011 · The main reason the final gear ratio is limited in the L99 Camaro is because of the Hydra-matic 6L80 gear ratios. GM 6-Speed Automatic Transmission P/N 19432684. 030 Second: 2. 4L engine. 4″ in length. 532=0. A variable displacement vane-style oil pump is integral to the bellhousing. 05:1. The 4L80E (4-speed) and 4L80 (5-speed) are also used with the Camaro but are not as popular SuperMatic 6L80-E Six-Speed Transmission 19366637 Chevrolet Transmission. 06. Sep 17, 2023 · The 6L80, on the other hand, has a first gear ratio of 4. 364 to 1; Third gear: 1. Ford began using the ZF6HP26 transmission in the 2005 Ford Expedition and Lincoln Navigator with the 5. There’s also a line booster kit for the 6L80 trans that helps with improved line pressure. The need for an overdrive transmission is essentially the reason for retiring the TH400. Overview The Hydra-Matic 6L80 is a six-speed automatic transmission Jul 6, 2023 · The eight-speed employs an even deeper 4. 532 to 1; Fourth gear: 1. 63 spacing between 2nd and 3rd. 04:1 allows a “steep” first gear, as well as a very “tall” overdrive top gear for low-rpm highway cruising. 364 3rd Gear Ratio 1. 6 quart fill depending on its application. Mar 30, 2018 · Recently, I had a call about a 6L80 that gave me a serious case of bewilderment. Hydra-Matic 6l80 six-speed automatic (A6 SS) w Aug 20, 2017 · C6 Forced Induction/Nitrous - seriously considering going from T-56 to 6L80E - What do I need for this conversion? The reasoning is that i want to do some drag racing with this car, and at the current power level and the Z51 gear ratios, the car is violent as hell in 1st and 2nd. Applications Dec 4, 2021 · A 6l80e also has a stupid high first gear ratio of 4. 91 Close: 11. Model Year (6 = 2006) Model Code Enter the ring and pinion gear ratio, tire height, vehicle speed, and transmission ratio, then click Solve to calculate engine speed (rpm). Not noticing any slip, and gear ratios look spot on, etc. 63. 364 3rd: 1. 36, Third: 1. Transmission length 24. [ 2 ] The 4L80-E is rated to a maximum GVWR of 18,000 lb, depending on the axle and vehicle. 73 and 3. The transition from second to third was flawless. Mar 4, 2022 · The 6L series units all share the same design and layout whether it is a 6L45,6L50, 6L80, or 6L90. Third Gear Dec 30, 2007 · The unique compound gearset in combination with a conventional simple gearset on the output carrier of the transmission allows both the durability necessary for the torque output of the V8 truck engines, as well as a flexible selection of gear ratios with a wide ratio spread. 87, and 0. The 4L80E is more proven because it has been around much Recently purchased a '14 LS3 with 6L80E with only 21k miles. 10 final drive ratio. 11 gear will really not be appropriate for this transmission with it's ultra low 1st gear ratio IMHO The transmission is designed for a relatively high ratio. 56:1 First gear ratio and unlike its 6L80-E predecessor, it does employ a 1:1 sixth gear along with two overdrive ratios roughly like the six-speed. Sep 6, 2020 · Changing gear ratios is fully automatic and is accomplished through the use of a Transmission Control Module (TCM), that is located within the transmission. Came complete with ECU wiring harness and pedal. 53, a fourth gear ratio of 1. 36, a third gear ratio of 1. 73's with the 4l60e but says that with the 6l80e it doesn't feel right. I've had full billet internal (except the shafts) 4L60's with billet converters and carbon fiber clutches etc etc and I'll never go back to a 4L60 after having a 6L80. Toggle menu (844) 298-6404 Feb 20, 2017 · The rub comes with the gear ratio - the owner thinks 3. 360 The GM Hydramatic 6L80 transmission was designed to provide optimum fuel economy without sacrificing vehicle performance. , the 4L85E. Call Now 800-708-0087 Feb 23, 2024 · Gear Ratios: 6 forward gears: 6 forward gears: Reverse Gear Ratio: 4. 00:1, 4th gear (overdrive) – 0. 56 gear in the rear end and the GS gets a 2. To meet stringent fuel economy mandates, this 6 speed automatic transmission uses a special output gear arrangement, with a wide 6. Transmission length 23. Control System Advances in transmission control modules allow them to exist reliably inside the transmission, where temperatures remain fairly constant compared to a body-mounted module. I'll get it going with a tear down and inspection video and go from there. May 10, 2022 · Hello, I did a swap on my FJ62 with an L96 and a 6L80E transmission. 85 ratio different than the 2. 085, Sixth: 0. The addition of the two extra gears allows the 8L90 to realize a real world 5% fuel economy improvement over the 6L80. The 6L80E uses four under drive gears and two overdrive gears. 85, and a sixth gear ratio of 0. 1 6L80 Pump Cover 9 2 22 20 21 7 8 1 6L80 Lower Valve Body 6L80 Upper Valve Body 1 12 10 10 10 5 This May 31, 2022 · The application use of the 6L80 transmission has been extensive over the years. 43 gear spacing between 1st and 2nd gear 1. 67, Reverse: 3. 667 0. 2's require different gearing than the 5. Anytime the converter decides to “take a permeant vacation,” the metal particulate from the converter will likely migrate back into the pump and, of course, into the Transmission SUPERMATIC 6L80-E, discover the Chevrolet SuperMatic 6L80-E Transition, a 6-speed automatic transmission designed for thrilling performance. 696; R: 2. The transmissions is shifting a bit rough and when I look at the scanner the VSS is reporting twice the speed and am making sure that the tune has the right gear ratio 4. 1. Differential Gear Ratio Calculator; Engine RPM Calculator; Ring Gear — Pinion Gear Ratio Calculator Feb 6, 2017 · The 6L90 has these gear ratios: First: 4. Once the Transmission TCM has been tuned via the Holley OBDII Transmission Tuning Handheld & the Terminator X has been programmed in the Trans ICF to GM 6L80/90E and the gear ratio & tire The addition of two extra gears over the previous generation 6L80 was necessary to meet ever tightening Federal fuel economy laws. The 4L80E is an evolution of the heavy duty TH400. The gear ratio change occurs as the transmission shifts through its gears. By changing the speed and direction of rotation between the sun gear, planet gears, and ring gear, different gear ratios can be achieved. 67 (6th) * Lightweight diecast aluminum case contributes to dry weight of approximately 195 lbs The wide overall ratio spread of 6. 0L series and the Allison variety. My truck(81 c10) will be a DD (only when I'm home from offshore) that sees the strip on occasion. Almost every 6L80 that shows up is either a converter failure, plugged filter, burnt 4-5-6 clutch, or a Feb 25, 2022 · With the much deeper First gear ratio in the 6L80E, this will have an effect on a rear gear ratio choice. 52. Find out how to buy ATI components and kits for your Chevrolet or LS engine vehicle. First Gear: 4. 03 This means that the 6L80 transmission has a wider range of gear ratios, which allows for better acceleration and fuel economy. 667 Reverse Ratio 3. Gear Ratio — a calculated/mea-sured transmission gear ratio. Whereas the TH400 had only 3 forward speeds, the 4L80 features an overdrive 4th gear. Transmissions, Engines and Parts; Parts of Top Fuel and Funny Car Racing; Gear Calc. I used our calculator and see that 60 MPH should be 1535 RPM. In this post, you will learn more about the 4L80E transmission as well as its variant, i. 70:1 which will make it launch off the line better. Feb 9, 2018 · As an example, combining the TCI Six-speed’s 2. Oct 13, 2023 · Most 6L80 failures are pressure-related. I will lay out the transmission's gear ratios in both the 6L80 and the TR6060 M6. Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E six-speed automatic transmission offers an exceptional torque rating of 664 lb. Any help is appreciated. I'd suggest somewhere between 2. 19-2. 56:1 First gear and adding another ratio in between First and its 1:1 sixth gear while maintaining two overdrive ratios. 150 Fifth: 0. Nov 21, 2006 · 2007 Hydra-Matic 6L80 (MYC) 2007 Model Year Summary Hydra-Matic 6L80 six-speed automatic Car & Truck transmission New applications: Cadillac XLR, Escalade, Escalade EXT, Escalade ESV, GMC Yukon Denali, GMC Yukon XL Denali Modular design for application flexibility Full descriptions of new Home Transmissions GM Performance Transmissions GM 6L80 Transmissions GM 6L80E Performance Transmission Level 3 with Gear Ratios 1st: 4. hpt Sep 1, 2015 · Here is a spreadsheet for one to use to determine road speeds at various RPM's, with different rear end ratios. 10 and tire size 33. That reduces the need for the 3. Auto Transmissions for Race; Photos From Previously Drag Racing; For Sale. The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors. - The 5th gear ratio is between 0. Dec 14, 2024 · Each transmission is generally (w a few exceptions), their own beast, and the cause and possible fix for a given issue will be unique and specific to the transmission. The 6L80 uses a 32 spline output shaft in the 4WD and 2WD model transmissions. - a 45-percent increase over regular-production versions of the six-speed automatic. 27 gears with a taller tire, meaning it pulls 1591 RPM at 60 MPH. 027; Second gear — 2. 852 0. 50:1. 064 3. 530 Fourth: 1. Jan 6, 2025 · That's a 45 percent increase over regular-production versions of this same transmission. 6L90 Transmission GM introduced a stronger variant of the 6L80 transmission within a year, known as the 6L90 transmission, RPO code MYD. 6l80 and 6l90 Transmission Fluid Type and Capacity. Where are you driving, sea level in Florida or 8,000 feet in Utah? Do you crawl or just run trails? Heavy trailer? The 6. a very high numeric gear ratio will result in a unusable Mar 22, 2021 · The eight-speed transitions the gear ratio chart is even deeper by using a 4. 56 rear. 198. 364 2. 85 (5th), 0. Aug 8, 2013 · A give you a performance guide to the GM 4L80E Transmission and help out with the driveline of your next build. 73 gearing at 80mph with 3. This means that the 6L80 transmission has a wider range of gear ratios, which allows for better acceleration and fuel economy. What does this mean to Oct 3, 2012 · Clutch, Transmission, Differential, Axle & Transfer Case - 6R80 gear ratios - I have been able to find the final drive ratios for the 6r80, but im wondering what the internal gear ratios are that are used to come up with the final drive ratios for each gear. The US-produced Ford 6R80 transmission is based on the robust ZF 6HP26 design, which has been used by automakers world-wide for over 14 years. The 4L80 has a first gear ratio of 3. 92 = 11. The gear ratios for the 4L80E are: 1: 2. 77 / 3. What is the function of the planetary gear set in a 6l80e diagram? The planetary gear set in a 6l80e diagram is responsible for changing the gear ratio and transmitting power through different gear combinations. Fully rebuilt 6L80 with rebuilt TC. 15 (4th), 0. In the 6l80e transmission, the sixth gear ratio is typically around 0. 6l80e/90e 1st 4.