4l80e gear ratios. 36, a third gear ratio of 1.

4l80e gear ratios 83 MPH 7000 RPM 62. 4 which would be just about 2100 RPM @ 65MPH. 48 3rd = 1. 00 gear would be 2,173 rpm. You know, recently, I purchased a 2000 C3500 CCLB. 48:1 for 1st, 1. 48-1. 75, so 3. Feb 18, 2017 · If I go with a 3. 550. - SPEED X OVERALL GEAR RATIO X 336 / TIRE HIGHT = RPMS The main problem is that to get the two extra "gears" it uses the OD section to essential split the 1st and 2nd gears. %PDF-1. The final drive ratio is 3. The 4L80E has closer gear ratios and not as much overdrive. 85:1 and 0. 47. 29:1 Jan 20, 2021 · 3. The 4L80 has a first gear ratio of 3. 73 MPH 2500 RPM 22. 48; 2: l. The shift solenoid pattern, also sometimes referred to as solenoid firing order, is as follows: No power results in 2nd gear as "limp home mode. The COMPUSHIFT 4L80E transmission controller allows you to customize a shift strategy that works best for your vehicle. Additionally, gear train components have identification grooves machined into the splines/teeth for identification. 6L Duramax diesel) Feb 11, 2019 · 4L80e is a . These gear sets consist of multiple gears arranged in a planetary configuration, with a central sun gear, a ring gear, and several planet gears revolving around the sun gear. Case. 06, a second gear ratio of 1. 07, from First through Reverse. However, it may be worth noting that the 4 in either name represents four gears whereas the L stands for oriented longitudinally. Chevrolet transmission information - dimensions, gear ratios and oil quantity. Shipping. 48 2nd = 1. 26-1 Ratios now Available. Sep 28, 2023 · The following are the gear ratios of the various GM automatic transmissions, including the 4L80E. " See full list on novak-adapt. The 4L80E keeps doesn’t drop the engine rpm as much between shifts because it is a heavy duty transmission and assumes that you could very well be pulling a load. The fourth gear, an overdrive gear, has a ratio of 0. 80 Also Jake Shoe makes a strong manual 4L80-2FM trany which does not need a expensive electric computer controller Dec 3, 2011 · The motorhome and other HD applications came with straight cut planetary gears instead of the conventional (and quieter) helical cut gears. 2. Options and Upgrades. Options and Upgrades Gear Calc. The 4R100 is also a computer-controlled transmission that allows users to use hand-held controllers to modify the characteristics or attributes of the automatic transmission. By automatically selecting different “speeds” or gear ratios to deliver power to the wheels, an automatic transmission’s goal is to match the optimal torque and power characteristics of the engine to the desired speed and rate of acceleration of the driver. Ultimately, the choice between the two transmissions depends on the specific needs of the vehicle and the intended use. The 4L60E/4L65E/4L70E all share the same basic design and have the same The 4L80E is a descendent of the proven TH400 transmission design. 37 MPH 6500 RPM 57. 4L80E Gear Ratios Aircraft grade quality 7075-t6, billet aluminum pro mod high gear drum, eliminates 4. 64 MPH 3500 RPM 31. The 4L80 has a taller 1st gear than the 4l60 or 700 so it will like a little lower ratio. 059: 1, and that of the 4l80e is 2. Jul 3, 2013 · It weighs only 135 pounds, has shift-on-the-fly capability, four gear ratios (1:1, 2:1, 2. You could run manual 5th gear to get a feeling of what 4. 00:1 (3rd), and 0. Call Now 800-708-0087 GM Truck / Car / Van / Motorhome4 Wheel Drive 4/5/6-Speed Automatics There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the heavier applications. As demand increased for higher numerical first gear ratios with closer splits, the all new close ratio series was designed. 852 to 1; Sixth gear: 0. Jun 22, 2007 · Could anyone post the gear ratios in the 350, 400, 700r4, and 2004r trannys? Mainly the 350 and 700r4. The … Continue reading GM Drive Ratios → Gear Ratios. 06, and 2nd is a milder 1. It isn't clear which one is cheaper when set up the same, however. It’s not as aggressive as the 4L60E though, which has a final gear ratio of . We offer GM/CHEVROLET FINAL DRIVE RATIOS It is the gear under your seat that counts. Saint Charles, MO 63301 Internet Sales: 636-352-2045 The 4L80E has a higher torque capacity, more cooler ports, and a hydraulic valve body, while the 4L60E has a lower first gear ratio, a different gearshift, and is electronically controlled. 06 first gear which is good for initial take off but this makes the transmission have the widest ratio … Continue reading GM 4-Speed Auto → 4l80e Transmission Pan Torque Specs. Apr 24, 2022 · 4L80E 2WD TRANSMISSSION FOR 1997, 1998, 1999 Chevy. 80:1 is 3. 2nd Gear Mar 16, 2018 · The 3 speed transmission should also have a 1 to 1 ratio in drive. Additionally, the 4l80e transmission was even used in military Hummers overseas as a reliable drivetrain component for our soldiers. Feb 9, 2023 · A 4L80E has four gears for driving forward, while a 6L80E has six. 4th Gear Overdive is . Click Here for an expanded list of Ratios. For racing, use your targeted trap speed to determine if more or less gear is needed. But we’re using the 4L60E here, not the power-robbing 4L80E, and adapting the gear ratios to be more efficient for performance is key when optimizing a transmission. GM 4L80E Automatic Transmission Introduction. 06:1 first gear the 4L60E transmission has a 23% lower first gear than the 4L80E and since this is done before the final drive gear this will help a great deal to aid in the TQ multiplying factor, and will help to improve the efficiency of the vehicle in stop and go Nov 16, 2020 · Gotcha on the gearset with Rossler, sounds about right. Get help anytime—our team is ready to assist you, whether online or by phone. The 4th gear of the 4L70E is a . 75. By changing the 4L60Es gear ratios to match a rear axle ratio of 3. 4l80e p0730 incorrect gear ratio code i have a 96 gmc 4x4 in which a 6. When the 4L80E was introduced, torque capacity was vehicles up to 8,000 pounds This calculator will provide the speed of the vehicle based on transmission gear ratio, engine RPM, tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing. 28 MPH 7500 RPM 66. 73 Rear Gears in the car of 2. Feb 20, 2014 · Tracing its roots to the Turbo-Hydramatic 400 automatic transmission introduced for '64 Cadillacs and Buicks, the 4L80E transmission is a four-speed, electronically shifted overdrive transmission Are you looking TCI Auto Gear & PG Low Gear Ratios? Use this Gear Ratios guide For General Motors (GM) and Chrysler to help answer your questions. lbs. 4L80E Transmission Differences. 73:1, with a 2. The 6L80E features two overdrive gears, the fifth and sixth, in contrast. Hughes Performance has a 4L80E transmission available for practically any engine combination and power level. . t. Terminator 6 4L80E Rated Up To 2,500HP. 51. Home; 4L80E: 1. Username Post: 1964 impala ls3/4l80e rear gears (Topic#336829); solo20 Contributor Posts: 125 Reg: 03-07-11 Click Here for an expanded list of Ratios. 19:1 rear gear. This pan configuration is shared by the 4L60, but the two transmissions are easily distinguished; 4L60E transmissions have a large electrical connector pointing upwards on the passenger side near the center of the case (laterally); the hydraulically They are of course a 4 speed overdrive transmission that made their way into several light duty trucks. of torque at a stall level of 2800 to 3400 rpm. The gear ratio change occurs as the transmission shifts through its gears. Feb 7, 2008 · 4L80E - Whining noise in first gear. 62:1, 3rd: 1. 4L80e is a 4 speed. Digging even further, this transmission goes against the grain with a 1. So was thinking while everything is apart would be a good time to mod the tunnel for the Allison or would there be nothing to gain and should I keep with the 4l80e idea? What Does P0730 Mean? “Transmission Control System Malfunction” is the definition of OBD-II Trouble Code P0730. However with the 4L80e tall first and second gear (compare to a 4L60 or even a close ratio T56) it's going to "act" like you have a taller rear end gear in comparison. What gear ratio is best for torque? Mar 9, 2023 · 4L60E vs. Horsepower. Both transmissions share the same gear ratios across the first three gears, but the 4L80E sports an overdrive gear (which the TH400 doesn’t), giving it higher efficiency and a greater peak at top speeds than its older counterpart. 00 Ratio. Nov 1, 1997 · From left to right are the 4L80E, a 700-R4 (also known as the 4L60) and a TH400. e. Contact. 03, a second gear ratio of 2. Gear Ratios. -Dale 4L60E Identification . The 4L60E vs 4L80E performance transmission differences are notable in their origin, appearance, size and weight, power, gear ratios, price, etc. 1st Gear. The rears are a 10% difference. 00, and a fourth gear ratio of 0. It’s gear ratios for the first gear, second gear, third gear, and fourth gear are 3. 48 1st, 1. 53, a fourth gear Allison 1000 Transmission Specs & Ratios. 11:1, 3. 48 (1st Gear) and 3. 75 Reverse = 2. 40 X 2. 4DRSS made note of the dimensions of the 4L80E. So with the help of 1st gear and a 3. , but the simulation reveals something different. 71:1. 4L80 and 4L80E and 4L85E Gear Ratios 1st = 2. 10-4. 75:1, while the third gear has a ratio of 1:1. 07:1 (Reverse). TH350 ratios 2. Engine Alternatives. It is a 4L80E transmission vehicle, and I was pretty sure that it was toast. 364 to 1; Third gear: 1. 08s would be 2. Required fields are marked * Comment * Nov 3, 2023 · 5th gear gets you about 2600 rpms at 70. 00: 2. Aug 8, 2013 · The 4L80E transmission was mostly used in 34- and 1-ton trucks and larger SUV applications beginning in 1991. 059:1, whereas the 4l80e has a gear ratio of 2. May 12, 2018 · But in my opinion, driving the short but steep hills of San Francisco, this car would seldom reach 3rd gear. Due to the numerically lower first gear, it will be a little slower off from a stop. 4L80E – Level 3 Transmission with Torque Converter. 07:1 The ‘overdrive’ gear in both the 4L60E and 4L80E transmissions helps improve fuel efficiency and reduce engine wear by lowering the engine RPM at higher speeds. It has better power flow for big power applications, much more clutch capacity and apply area than the 4L60E. From factory, the 6 speeds have a higher rear end ratio (lower number). 3 MAF EFI DIS engine and stock 4 speed transmission 8" Ford Axle 3. It is also larger and heavier. 48 The 4L65E transmission has a weight of 194. It is very rugged, has much more potential for power capacity than any other overdrive transmission on the market. 70. Transmission broadcast codes in 2005 for the ECCC transmission are 5ABN and 5MMN. General Motors 4L80E and 4L85E 4 speed automatic transmission specs, ratios, and information. Pretty sure you have 3. This automatic transmission gear can also generate up to 700 ft. 92 MPH 6000 RPM 53. 48. 15:1 fourth gear instead of the more traditional 1. The 4L80E is a quick-shifting unit, enjoys high availability thanks to a two-decade production run, and it’s a transmission that’s even been proven reliable in 6. 55:1 overdrive ratio of 4L80E offers better efficiency in reducing cruising RPM. Save Share Calculate the Gear Ratio Needed to run a certain 1/4 mile. 70:1. 4L80E/4L85E Jan 29, 2018 · The 4L80E has an overdrive gear with a ratio of 0. 027 to 1; Second gear: 2. 75: Transmission Ratios 1st to 2nd Ratio Nov 4, 2017 · That would be the easiest way to identify them. Find out its specifications, features, applications and gear ratios for different vehicles. Additionally, the power and torque specifications are different, along with the price, gear ratios, and electronic configuration. 08:1, will provide better fuel economy but slower acceleration than a gear ratio that is numerically higher. By activating and deactivating the solenoids in a predetermined pattern by the PCM, four distinct gear ratios can be achieved. The 2. 48:1. Now, let’s have a look at the gear ratio. Feb 27, 2013 · So here is my question is there any advantage to using an Allison over the 4l80e? the wiring in my car is setup currently for a 4l80e the engine is going to be a twin turbo 5. That is a 7% difference. 70 4th (OD) Gear ratios in the 4L80E: 2. 63, a third gear ratio of 1. Length: 26. 3L which will be going in here this spring. Also solve for RPM, Tire Size and MPH. 1999+ gear components are a lighter shade of brown to distinguish them from 1997-1998 gear components. I use this to calculate shift points for the computer controlled transmissions. the problem driving is it slams into gear sometimes, even overdrive @ 70 mph. 42s now so for an example you would be running 1450rpms at 70 in 6th. 5lbs of rotating weight from transmission, with 10 times more strength. 48 First and 1. Fluid Fill Location. See All 21 Photos. Jul 22, 2010 · A 4L80E has the same ratios as a TH400 with a 25% OD, so you select the same gear you would for a TH400 and the intended usage. 6". 48 is the lowest you'd want, in my opinion the statement about the 1-2 gear change is spot on even if the 1st gear ratio being that low isn't causing you any issues. Sep 28, 2021 · The gear ratio. 19 MPH 3000 RPM 26. 1974 Ford Pinto with 91 Mustang 2. If it's a mostly drag car I would go with a 4. 73 gears. Depending on the converter used, the 4L80E is roughly 100 pounds heavier than the TH400, so it’s no lightweight. GM LS1 - 9 and Chrysler/Mopar Gen III Aug 28, 2013 · It also has a pretty big swing in ratios from 1st to 2nd gears. If this ratio is less than 1, it is known as the overdrive gear ratio. Rear Ends. 48:1, 3rd: 1. Largest Main Shaft in the Industry. 48: 1. 63 Second, which was a The differences in the performances of the 4L60E and 4L80E automotive transmission units are numerous. My truck has 3. Jul 2, 2020 · Transmission overdrive ratio x rear gear ratio = OVERALL GEAR RATIO Step 2) FIND YOUR RPMS AT ANY SPEED (Useing your OVERALL gear ratio) - For fuel economy, I use 60MPH as the target. The '13 has tires that are roughly 32. It is my understanding that if you have a 3:42 gear ratio, the 6 speed will act like you have 4:10's. Tech. 75:1 ratio, and that is what is in his truck. Gear Trans Ratio Final Ratio 1000 RPM 1500 RPM 2000 RPM 2500 RPM 3000 RPM 3500 RPM 4000 RPM 4500 RPM 5000 RPM 5500 RPM 6000 RPM 6500 RPM; 1st: 2nd: 3rd: 4th Oct 17, 2022 · When the ratio of the drive gear’s turn is greater than 1, it is called an undriven ratio. 75:1 (4th) for improved fuel efficiency on the highway. 75 The 4L80e uses four forward gears and one reverse gear in the following ratios! First gear:2. Your email address will not be published. 48:1 (Second), 1. 52, 1. 4L60E vs 4L80E Gear Ratios. Products. -3. General Motors 4L80E: Applications: 2001 - 2005 GMC Sierra 2500 HD, 3500 HD (5 speed, w/ 6. 4L60E = 3. 00:1 for 3rd, and 0. The 4L80E Transmission system is equipped with a computer called the Transmission Control Module (TCM), located in the left/rear passenger seat compartment which interprets, ana- lyzes and records electronic signals from sensors and switches located on the engine, brake Jun 23, 2016 · Building the Ultimate 4L60E with Better Gear Ratios. This helps keep the rpm in the power band so that the torque output doesn’t drop too drastically between shifts. Jul 27, 2024 · The information contained within this thread has been collected from a variety of sources, including the 4L80E Automatic Transmission Service Group (ATSG) manual, the ATRA 4L80E overhaul manual, ATRA publications, GM 4L80E Transmissions: How to Rebuild & Modify by Eric McClellan, various internet forum posts by validated subject matter experts Jan 15, 2015 · The 4L80E is a TH400 with an extra overdrive gear set. 4L80E ratios 2. The ratio is calculated by multiplying your transmission, transfer case, and ring and pinion gear ratios. 47-1. In stock form it is much stronger than a 700R4. What’s more, the 4L65E features five-pinion planetary carriers. 57. 42 and I just used the stock torque converter the transmission came with. 42-3. 4L80e. 48, 1, . also prevents drum explosion!! for durability and safety, with billet steel sleeve to prevent premature sealing ring wear in drum bore. 70 range should be good, if a taller tire the 4. 07. It has a maximum input torque of 440 lb-ft and a maximum output torque of 885 lbs-ft with a vehicle weight rating of 800 lbs. NV3500 5spd manual ratios. 46 MPH 5500 RPM 49. Jun 24, 2016 · Meanwhile, the TH400 is nearly bulletproof and has better gear ratios for higher-powered cars. 00 4th = . 66 difference,,,and it's even worse than the 4L60E drop. 48:1 (First), 1. 6 pounds. THE Mar 1, 2005 · It takes three planetary gear assemblies to make up the five different gears ratios in the 4L80E. Nov 16, 2020 · Gotcha on the gearset with Rossler, sounds about right. This is not condusive to fuel economy. 48:1 gearset currently available for the 4L80E transmission. A (numerically) lower gear ratio, such as 3. 67:1, respectively. Both of these transmissions have four forward gears and are overdrives. 5". 06/1. Does someone The 4R100 and E4OD transmissions share identical gear ratios: 1st gear = 2. 02:1. 0 was swapped into it with a 4l80e. 4L80E SPECS & RATIOS Specifications. 75 4L80E Gear Ratios: 1st: 2. Gear Ratios: 4L60E Gear Ratios: 1st: 3. PRODUCTS. However, the 4L80E has a . S = Sun Gear. 48:1/1. Power adder and Gear To create this optimal blend of performance and efficiency, the 10R80 transmission has a wide 7. This calculator assumes you know the vehicle’s transmission ratio. All-in-all, the 4l80 transmission is a staple Nov 3, 2022 · Hello all, if i would like to change the gear ratio, would it be wiser to change it on the 4 geared hubs or on the axle differential or both? Let's assume i have to do it on a M1165, year 2005, turbo diesel and 4L80e. Chevy 4 speed autos (700r4/4l60E) and also (4L80E): I personally don't care for the steep first gear ratios in the new trannies. How much power can a 4L60E handle? The power-handling capability of a 4L60E transmission can vary based on its condition and any performance modifications. 00 3rd, . 75:1, Reverse: 2. The 4L80E transmission is the advanced progeny of the legendary TurboHydramatic TH400 automatic transmission, and is based heavily on the 400 in both parts and strength, yet featuring an added overdrive gear, a lock-up torque converter and advanced electronic controls. 06, 1. As strong as it is, the 4L80E has its limits in stock trim . 55 MPH 4500 RPM 40. 48; 3: l. 56 gears vs. A 4l60e can be made to hold up. 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. 62 for a 1. 84 first and 1. Aug 25, 2017 · The 4L80E has gear ratios of 2. 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. These two gears have ratios of 0. 532 to 1; Fourth gear: 1. 4L80E Gear Ratios. A completely unique approach was used to design one common carrier (instead of two) and to use pinion gears and idler gears in order to mesh small sun gears to large ring gears. 275, 265, 257, 248, 233, 210, 197, 182 The GM 4L80E Performance Transmission Level 4 is powered with whopping 800 Horse Power. 4″ Weight: 236 lbs dry Oct 16, 2023 · What is the gear ratio change in the 4L80E? The 4L80E transmission typically has the following gear ratios: 1st gear – 2. The difference between the RPM readings should give me an idea of how much reduction in RPM I will have with 2. 700r4 4L60E ratios: 3. 75:1 overdrive gear to it and created the electronically controlled, four-speed 4L80E. 31 rear gear ratio range, if you have an over drive top gear, like a 700r4, 4l80e, 200r4 the same criteria apply but youll find , a 3. Menu. 00, and . Nov 17, 2009 · 6L90E is a 6 speed. In 1991, Rolls-Royce and Bentley teamed up in building the Continental R and decided to use a modified version of GM’s 4l80e transmission in their performance model. 625-to-1, 1-to-1, and 0. It will also allow a vehicle to reach a higher top speed. 75, and 2. Email this page to a friend. 00:1. First Gear Ratio (Automatic Transmissions) 2. Jan 8, 2012 · 4L80E Based on overall tire diam 25. My '01 has tires that are roughly 30. TH400 ratios 2. 2nd gear which is the weak point in a 4L60E is alot stronger. 75 ratio planetary sets are all aftermarket and are based on TH-325 input planetary designs. The 4L80E transmission is a four-speed automatic transmission developed by General Motors, celebrated for its strength, smooth operation, and robust performance. 48: 2nd: 1. On the other hand, the SuperMatic 4L85E transmission is suitable for Gen I small blocks and all big blocks. 39 gear ratio spread and a low 4. When going with that large and heavy of a tire it never hurts to over gear a gas burner. 800-646-6718 . Your choice of Gear Ratio. 75: n/a: GM Mar 22, 2021 · Perhaps of more importance is that this transmission also dramatically deepened the First gear ratio from the TH400/4L80E’s 2. However, the ratio remains the same on all factory 400's/4L80E's regardless of gear design or application. 56, street/strip 3. 46 rear gear. Goal would be to drive the vehicle with low rpm on the highway. 07-3. 48:1, 3rd gear – 1. 059-to-1, 1. 1. 48:1 (2nd), 1. 36 for second gear That's a 1. 70 overdrive. Nov 16, 2018 · Extreme Duty 4L85E 5 pinion planetary geartrain assembly. 06:1, 2nd: 1. 152 to 1; Fifth gear: 0. Notice that the ratios between the TH400 and the 4180E are the same. However, the way they deliver power differs. and poor drag racing gear ratios, and. Nov 25, 2017 · The 4L80E has much better gear selection the huge jump between 2nd and third isn't there. 90:1 rear gear as a good choice Choose your rear axle gear ratio: Here is a list of common transmissions with their drive and driven gear teeth numbers 4L80E: 15-18: 34-45: Muncie: 6-9: 17-25: The transmission specifications for the GM OEM 4L80E include gear ratios of 2. 07 rear end with Positraction, I feel the 5. l: 2. 72:1, 5. Its maximum input torque capacity is 440 lb-ft, but the gearbox itself is capable of withstanding 885 lb-ft. 48:1 (1st), 1. Feb 8, 2001 · A stock 4L60E suffers about 18% loss. 06 first gear which is good for initial take off but … Continue reading GM 4/5/6-Spd Auto → Super Max 3 Speed Gear Ratios. 02 first gear in the 6L80E drops to a 2. Jun 3, 2024 · I swapped a 4L80e (along with a V6 to 5. If you take a few moments to study the gear chart for your transmission and rear end ratio combination you will see why this product is so popular. 06 1st, 1. 52 2nd, 1. 08 4L80E/4L85E 1991-Later (bellhousing pattern - Chevrolet) Std. The GM 4L80E 4-speed overdrive transmission is the ultimate overdrive platform to suit virtually combination that requires the strongest overdrive transmission possible. Turbo 400. Rossler Custom made billet gear sets your choice of ratios. 73:1 gear (assuming the tire size Jun 26, 2024 · That’s when the General added a 0. 48, second gear:1. In comparison to the 4L85E, its gear ratios are 2. 44 drop. Moreover, you need to keep in mind this difference, especially when swapping one transmission for another. That 4. But you wont be able to tear up a 4l80e. , the 4L80E transmission unit – is the better of the two. What were you going off of? 3. 1999+ 4L80E complete transmissions will interchange back to 1997 and 1998. 28 MPH 2000 RPM 17. without a gear set change 5 gears are more practical. com Learn about the 4L80E transmission, a heavy-duty automatic overdrive developed by GM in 1991. 00, 0. For example, during the first gear, the 4l60e has a gear ratio of 3. Going to put some common transmission gears ratios here for you so that you can play with the calculator. 73 and a 2004R, that would be a 1st gear ratio of 10. 73:1, and some may think this would be a huge loss of e. Conclusion Aug 26, 2017 · The 4L80E has gear ratios of 2. 00; 4: 0. Originally found in 3/4- and 1-ton trucks, the 4L80E and higher-torque 4L85E transmissions share gear ratios with the 3-speed TH400, but add the 4th Gear Overdrive which is popular for high-horsepower street cars. 31 X 60= 1764 RPM @ 60 MPH, with no converter slip (lock up) Last edited: Nov 1, 2023 Feb 5, 2021 · The Gear Ratio in the 4L60E is quite impressive compared to the 4L80E, with a 3. 54; 3rd gear = 1:1 ratio; 4th = 0. It features a 6-bolt hexagon bolt pattern and has a transmission length of approximately 23. Read on for specs and more information. Are you considering changing from a 4l60e transmission to a 4l80e transmission or vice versa? Well, before you do that, you need to understand the ration of gears in both transmissions. 10 MPH 4000 RPM 35. if you set it up as a 6 speed you have used the OD section 3 times, it simply wasn't designed, and really can't be built to come on and off that many times in such a short period reliably. 48:1, 2nd: 1. 3) in my 99 Silverado ECSB 2wd. 8000 RPM 71. 3 inches (593 mm). 70 first gear for maximum performance off-the-line. Ford 9 Inch Rear End; Jul 21, 2008 · Allison tranny just smoked 4th gear with every trick in the book. When reinstalling the transmission pan on your 4l80e, be sure to not over tighten the pan bolts. Try Oct 19, 2008 · if you've got a transmission without an over drive top gear ratio like a th400, th350, etc I would consider ,STRONGLY CONSIDER something in the 3. 48:1 for 2nd, 1. 82 MPH Jun 7, 2024 · Search for potential donor cars and trucks by engine, transmission or wheelbase Newest [ December 12, 2024 ] The Key to Making Your Car Fast: The Torque Converter Technical Info Apr 25, 2015 · Final Drive Ratio of a TH 4L80E/2FM in 4th Gear = with 3. I think 2. 7" Trans Gear of 2. Designed for rear-wheel-drive (RWD) and four-wheel-drive (4WD) vehicles, the 4L80E is an excellent choice for heavy-duty trucks, SUVs, and commercial vehicles, offering a combination Click Here for an expanded list of Ratios. Differential Gear Ratio Calculator; Engine RPM Calculator; Ring Gear — Pinion Gear Ratio Calculator ; Speed Potential Calculator for Ring Gear and Pinion Changes; MPH — KM/H or KM/H — MPH Converter; Tech Info. 48, 1. Apr 15, 2019 · The gear ratios are quite closely spaced in the 4L80E to ensure the rpm drop between shifts isn’t too high. Gear ratios in the 4L60E: 3. 075 for the 1st, 2nd, 3rd, and 4th gears respectively. 75:1 for 4th. Jan 6, 2020 · The nearest 12-bolt gear ratio to 3. 63, 1, . Specifications and gear ratios for the 10R80/10L80 10 speed automatic transmission developed in a collaboration between Ford Motor Company and General Motors. 75:1 (Fourth), and 2. The strongest 2. 2 and 4th gear of 2. Leave a Reply. Horse Power: 600 (Up to 600 ft-lbs Torque) Gear Ratios: 1st: 2. 3 will push this Olds up a 45 degree hill without much problem. 50:1 rear gear ratio is equal to a traditional TH-400 (or stock 4L80E) with a 4. This transmission comes with large sun-shell gears, created from powdered metal. 97:1 First gear with a 3. 62. GM 4-Speed Automatics 700R4/4L60E/4L80E There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the heavier applications. The 4L70E is a 4-speed automatic GM transmission with up to 5 gears, including reverse. 00:1, 4th gear (overdrive) – 0. 48:1, or 3. The 4L60E features a simple, relatively square pan configuration secured to the bottom of the transmission by 16 bolts. Jul 15, 2023 · The OD 4th gear on a 4L80E is . Input Spline GM 4L80E Performance Transmission Upgrades. The 4L70E automatic transmission is undoubtedly a workhorse gear mechanism that offers more excellent reliability and a good deal more power. Home. As far as the 1st gear ratio everyone is going to have a different opinion. ” The 3. Sep 6, 2015 · The 4L60E does, indeed, have the same top OD ratio as the 6 speed. P = Planetary Gears. 00:1, 4th: 0. 71 (excellent for trucks that tow heavy loads) 2nd gear = 1. 75 4th (OD) Mar 22, 2021 · Perhaps of more importance is that this transmission also dramatically deepened the First gear ratio from the TH400/4L80E’s 2. This means you end up running up your RPMs in order to make the shift to second. The 4L80E uses a 17 bolt pan, while the 4L60E uses a 16 bolt pan. ATRA Webinar Handout see pgs 14-39: 2nd: 2001+ Drive Shaft: The drive shaft may need to be modified or replaced due to the differences in length between the 4L60E and 4L80E, and a new yoke that fits the 4L80E may be required. 01 MPH 5000 RPM 44. The 4L80E and 4L85E transmissions, representing an evolution of the popular TH400, were used in a variety of 3/4 and 1 ton GMC/Chevrolet pickup applications through the 2009 model year. The OD is almost a 12% difference. 10 range. Our Street/Strip series 4L80E is a great choice for combinations producing up to 850 flywheel horsepower. GM V8 Tuning - Transmission; 4L80E Tuning Assistance; Page 1 of 2 1 2 Last. Excellent choice for Humvee and high powered street strip vehicles. In addition, the transmission also has an impressive gear ratio. The 3. A gear vendor in conjunction with this will negate the ratio swing but will not harden the transmission. The Ford 10R80 and GM Hydra-Matic 10L80 is currently used in a variety of fullsize vehicles by both manufacturers. 48, third gear:1:0, fourth gear:0:75, and reverse gear:2. Gearing is what you are buying when you purchase a Gear Vendors Under/Overdrive. Power Glide. The correct torque spec for the 4l80e transmission pan bolts is 100 – 120 inch pounds. This means excellent torque multiplication in the lower gears and a decent overdrive for highway cruising, impacting both acceleration and fuel economy significantly. 10, mild street a 3. Feb 9, 2018 · As an example, combining the TCI Six-speed’s 2. 00:1 (Third), 0. However, it will cost you much more money to acquire the 4L80E transmission unit and is also relatively easier to find. GM Turbo Hydra-Matic 400/4L80E: 2. 71. 667 to 1; Reverse: 3. 75:1. 88s would cruise at in 6th gear Before you buy them. Even though this Ford 10 speed automatic transmission has such a wide gear ratio, it has extremely small steps between the gears. The "E" means that it must use an electronic ECU for control, as it will not function Despite these changes and the adoption of features prevalent in older models of the GM automatic transmission, the 4L80E had its problems. 26-1 and. While the 4L80E uses a 2. In addition, it’s best to tighten the bolts in a cross pattern to prevent over-tightening on one side of the pan over the May 26, 2013 · What size tires are you running? If a smaller tire the 3. 36, a third gear ratio of 1. 0696-to-1, respectively. Online Store Calculate engine RPM or speed based on transmission gear ratio, rear end gear ratio and tire size. Maximum Performance Transmissions has a 4L80E transmission available for practically any engine combination and power level. However, the closer gear-to-gear ratio difference will make up for it on the 4L80e. Planetary gear sets are a crucial component of the 4L80E transmission, providing the necessary gear ratios for smooth operation and efficient power transfer. The Differences Between 4L80E and 6L80E Feb 9, 2023 · A 4L80E has four gears for driving forward, while a 6L80E has six. 0. 55. Was wondering about a 4L80E or 4L85E swap, any ideas?. The Differences Between 4L80E and 6L80E Yes, the fourth or final gear on the 4L80E features an overdrive. GM LS1 - LS9 / Chrysler Gen III and Viper V10; Conversion. With the 4L60e, 1st gear ratio is 3. By the way the loss is for the entire driveline. 48:1, 2nd gear – 1. 70:1, Reverse: 2. 700R4/4L60E’s have a low 3. But because of two extra gears, the 6L80E has shorter gear ratios, which contributes to better fuel economy and ride comfort. 31 in OD 336/26. 00: 0. One thought on “Transmission Gear Ratio Chart” 4L80E Gear Ratio. May 13, 2023 · 4L80E Transmission Interchange Chart. The 6L80, on the other hand, has a first gear ratio of 4. There is a reason so many racers use the Powerglide transmission and it's not because it is strong, it is because the ratio of first gear prevents traction loss on the launch and keeps Oct 16, 2023 · Yes, increasing the gear ratio (using a smaller input gear and a larger output gear) increases mechanical advantage and, consequently, torque. 2wd Overall Length 32 11/16 inches Bellhousing Height 20 inches The gear ratios of this transmission are 2. History repeats itself when it comes to the four-speed 4L60E and 4L80E, except the gear ratio Oct 4, 2023 · However, the payoff is worth it. Furthermore, the 6L80E is heavier and significantly bigger, and it can handle slightly less power than the 4L80E. Mar 17, 2023 · The gear ratio has a significant impact on a vehicle's acceleration and fuel efficiency. Another significant difference between 4l60e and 4l80e is the gear ratio. And they show that the latter – i. Nevertheless, updates were made throughout its production cycle, which has created a more revamped version of the transmission. Truman Blvd. Call Now 800-708-0087 Apr 16, 2018 · The GM 4L80E has gear ratios of 2. 75 OD, Tremec calc says 2,354 RPM at 75mph. I guess I would probably just stay off the highway until I can swap the TH350 for the 2004R. The sun gear is the center gear in the planetary assembly. Oct 30, 2022 · If you have a high-powered engine on your vehicle and want to take its performance to the next level, it’s good to choose the 4l80e Transmission. 5 %âãÏÓ 74 0 obj > endobj 84 0 obj >/Filter/FlateDecode/ID[]/Index[74 17]/Info 73 0 R/Length 65/Prev 844452/Root 75 0 R/Size 91/Type/XRef/W[1 2 1]>>stream Another difference between the 4L80e and 6L80 transmissions is their gear ratios. Jump to page: Results 1 to 20 of 28 Power to weight ratio is the key player there. The main differences between the 4L60E and the 4L80E transmission are the weight and size. When the 4L80E was introduced, torque capacity was vehicles up to 8,000 pounds Dec 13, 2012 · I personally see no advantage in a lower gear ratio, or for that matter, even a six speed in any application with enough power to require a 4L80E to begin with. 44:1), and has been reported to handle quadruple-digit power numbers while staying together and Calculate RPM for Given Speed(MPH), Rear Gear Ratio, and Trans Gear Ratio 3725 Harry S. The 4T80 uses a viscous torque converter clutch, which was replaced with EC3 (electronically controlled converter clutch) in 2005. 54. For instance, the first gear ratio in the 4l60e is 3. First gear: 4. 63 2nd, 1. 6L Duramax applications. 48:1 to a radical 4. 73 or 4. 48 Second gear just like the TH400, the 4L60E has a 3. 55 second, you get a final drive ratio relatively close to 10:1 at first Get help anytime—our team is ready to assist you, whether online or by phone. 06 First and 1. Off-road drivers and rock crawlers build their vehicles with low (numerically high) crawl ratios because not only does that increase torque at the wheels, it allows for better throttle response for low speed, technical driving. bwmuwc cxkil dpkn cucotbwzo oro qcrz eexybau uoned gkvrq ddcwzf