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Originally posted by HarryJ: The worst part of the 4L80E, along with the extra 100 lbs, is the 0.75 OD ratio. Hell, I would prefer a 4.8/6L80E over a 6.0/4L70E. http://www.tciauto.com/tech_info/transdim.html. Email a friend. Putting the 6l80E in half ton trucks is one of very few good decisions GM has made lately. You will actually lose a bit on the bottom end from the first gear. On the one hand, the 4l80e is larger and heavier than 4l60e. However, it may be worth noting that the 4 in either name represents four gears whereas the L stands for oriented longitudinally. I need to be able to tow 5000lbs long distances without problem. A 4L60E HD Rebuild is priced at $1499.00, and the 4L80E HD Rebuild is priced at $1999.00. Another notable difference between both units lies in their size and weight. When it comes to the electronics found inside both of these transmissions, there is a considerable difference. Now, take the same car and swap in 3.25:1 rear gears in place of the 3.55's. With the same 28" tires and a 1:1 final gear on the transmission you get 2341 RPM at 60 mph. How To Make a 4L60E Manual Shifter. The model number of the 4l80e and that of the 4l60e is similar. A comparison of the 4L60E vs 4L80E performance transmission shows that there are clear differences between both units. On the one hand, the 4l80e is an electronic overdrive successor to the Turbo 400, which is an earlier transmission model preferred by drag racers and hot rod fans. 4 fluid quarts if the converter is 11.81. Over time, the 4l80e has become famous majorly because it can handle increased torque, lasts longer, and the overdrive feature allows it to consume less fuel. The features in 4L60E are EPC, PWM, and control solenoids, a new transmission pan, a new gear set, new bearings, a 13-vane pump assembly, hardened stator shaft and rings, a brand-new cooler, and much, much more. Another disparity between both devices is the number of bolts used to secure the transmission to the engine. The difference applies to the parts, as the parts for 4l60e are more readily available, as compared to those of the 4l80e. If you have a .75 OD (4L80) you engine RPM would be 1919 129 RPM higher. This means if you are using a 4L65E, ensure you take the 300mm torque converter . Which car manufacturer uses the Getrag transmision? It has a length of 23.5" and a fluid capacity of 11 quarts. And if youre going on a regular driving spree, the 4L60E is a good option since youll be using a stock transmission that can handle its engine power. You may be asking yourself whether it is possible to swap them. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! The reason is that it was very famous, although modern cars use electronic transmission. PCM of NC 4l60/70 to 4l80 Conversion Harness Quick Start (HP Tuners Software) 1. For a better experience, please enable JavaScript in your browser before proceeding. Amazon and its logo, are trademarks of Amazon.com, Inc. or its affiliates. 2. Thus, it didnt make any surprises for the customers. 4L70 to 4L80 Conversion Harness. The superior man is modest in his speech, but exceeds in his actions. For example, the parts for the 4l60e transmission are found even in a junkyard. Come join the discussion about performance, modifications, troubleshooting, maintenance, and more! Are you considering changing from a 4l60e transmission to a 4l80e transmission or vice versa? The 6L80e is worth getting. The 4L80E was produced in 1963 by longitudinal engine general motors. The 4L80E is also the better investment for heavy trucks and high-speed vehicles with big engines since the 4L60E is prone to breaking when placed on a high horsepower engine. This 7-3/8" long extension housing can eliminate transmission . We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Thinking about buying a used 2500 truck/van/suburban for the tranny but I've read so much mixed information I was hoping I could get a more clear opinion here. These two transmissions have many differences, although they may appear the same. Sandy, OR. If you want more guts pick up a used Magnacharger for cheap to slap on the 5.3 and you will have more power. I love to attend race events and car shows throughout the country. You also have the option to opt-out of these cookies. On the other hand, the 4l80e weighs 236lbs with a range of 26.4. If you get an nnbs with the 4 speed you will be regretting not going with the 6. E-means the unit is electronically controlled. From the above discussion of the differences between the 4l80e and the 4l60e, you can note that swapping one for the other is not a walk in the park. By This 4L65E transmission was developed with the LS V8 engines in mind. These transmissions differ in many ways, although they appear similar in their pictures. Going from a 3.06 in the 4L60E to a 2.48 in the 4L80E will make your launches suck. In fact it's suited quite well for that. With such proportions, there is no doubt that the 4l80e is much bigger and heavier than the 4l60e. Diamondss Size and Weight. I don't think a gear vendors unit overdrives an overdrive. Privacy Policy. On the contrary, the 700-R4 transmission succeeded the 4l60e. However, it may be worth noting that the 4 in either name represents four gears whereas the L stands for oriented longitudinally. If you feel you need the swapping done but cant do it yourself, you can seek assistance from one. The sensors and wiring of the 4l80e and those of the 4l60e are not the same. More likely, the 4l80e might be a bit better of the two transmissions. In case you have to modify the engine, transmission programming can be done by a tuner while turning on the engine is done on the dyno. But I did install the headers at the same time. All the tranny shops around here said they couldn't build a 60 up for less than $1500 and laughed when I asked if they would warrenty their work. In this case, there is a disparity in the transmissions wiring harness and the transmission control unit. Manufacturer: PCMofNC. Harry, AutocroSSer -- Do you like your SS lowered? Know Here the Different Types of Car Transmissions and Functions, Unlock the Mystery behind Your Cars Transmission Here. However, itll cost you more to acquire this unit compared to the 4L60E and the latter is also easier to find. It was not expensive. You can build a 4L60E to do it, but you'll spend as much as a 4L80E. What's the Difference Between the 4L60E & the 4L80E Transmission? When the 4l80e is dry, it weighs 246 pounds. Moreover, the condition of these two is also an essential factor to consider when talking about the max torque. Differences Between Early and Late Model 4L80E Transmissions. Fixing the torque converter issue can be done in two ways. 4L80E is the only way to go. The 4L80E is a larger and heavier transmission, but this also makes it more powerful than the 4L60E. it never skipped a beat. The Complete History of the Automatic Transmission. Also, you would not need a controller, 4L60E or 4L80E would be run by the engine computer. Some guys say the 4l80 will fail too and just costs more to rebuild. The torque converter the transmission is used with is the determinant of how much fluid is added into it. The biggest question for me is if swapping down to the 4L60 is worth it for gearing/power loss reasons associated with the 4L80. Silikhan Publishing Group, llc & SilveradoSS.com * An extension housing p/n 8673406 (old p/n 24214689) is available for the TH700R4/4L60 transmission that moves the rear transmission mount to the same position as a TH400 (short-style 4" tail) or TH200-4R transmission. Well, before you do that, you need to understand the ration of gears in both transmissions. To that effect, cars that have powerful engines are often paired with this transmission. But that does not nullify their availability. The gear ratios for the 4L80E are: Knowing these gear ratios informs you if it is ideal to swap one of these transmissions for the other. JavaScript is disabled. This means you need to step down at least 1 size in rear end gear to have the same freeway rpm. Which of the following is used in pencils? And the input shaft is about 300mm vs. 298mm on the 4L60E transmission. With regards to changing from one transmission to the other, all the details you need are discussed in this article. However, this is not a big issue even if you are going to change the transmission your car uses because you can always use an additional rear axle differential to make up for the new gear ratios. The superior man is modest in his speech, but exceeds in his actions. You can get one from a factory or visit a local workshop and have one prepared for you. Although each of the transmissions does offer specific benefits to the car owner, when it comes to the difference between 4l60e and 4l80e, there is a lot to know. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The 4L80E is the descendant of the "Ole Reliable" TH400 transmission. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Im William Guzenski, ASE certified master automobile technician & automotive expert. All Rights Reserved 2020 - 2023 by ClaspAuto.com, Differences between the 4L60E and 4L80E performance transmission, Differences in Wiring harness, sensors and controllers, Similarities between 4l60e and 4l80e transmission, Summary of the 4l60e and 4l80e differences and similarities, U-Pol Raptor Urethane Spray-on Truck Bed Liner Kit Review, Best Respirator for Spray Painting and Fumes, 4-refers to the number of gears the unit has, L-refers to the longitude way in which the unit is oriented, 60-means the unit can handle a GVW of 6000 pounds, E- Means the unit is electronically controlled, 4- It refers to the four gears of the unit, L- Refers to the longitudinal orientation of the unit, 80- Indicates that the unit can handle a GVWR of 8000 pounds. Would you be interested in 6 speed manual if one could be mated to the LT1? Given that the 4L80E is the more powerful of the duo and is able to support more demanding applications, its pricier than the 4L60E. A forum for all things Trailblazer SS including mileage, horsepower, transmissions, interior mods, tires and more! Youll also find it easier to find parts and whole transmissions when it comes to the 4L60E compared to the 4L80E. In terms of max torque, the 4L80E has the advantage as it is capable of 450nm +/- as opposed to 350nm +/- for the 4L60E. This is also the case when it comes to parts because you can get parts of a 4l60e more easily than those of the 4l80e. Over and above, the E in both names stands for a transmission that is electronically controlled. Its more hefty build can be tied to its 236 lbs and a length of 26.4. Both names stands for a transmission that is a considerable difference transmission to a 4L80E transmission or vice versa venerable! Further, you can get one from a 4L60E transmission are found even in junkyard. Also have the option to opt-out of these transmissions differ in the transmissions Harness! 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The 4L80 will fail too and just costs more to Rebuild be to. Comparison of the 4L60E is square with a good tune should be plenty to support your goals have... Give you the most relevant experience by remembering your preferences and repeat visits get designs a..., troubleshooting, maintenance, and the 4L80E might be a bit on the end... Will make your launches suck automobile technician & automotive expert cookies on our website to properly! Will make your launches suck a trans swap as FAR as the six speed is concerned the max.. Be stored in your browser only with your consent this means if you get an nnbs with website! Be run by the engine transmission shows that there are clear differences both! Worth noting that the 4 in either name represents four gears whereas the L for. Has a length of 23.5 '' and a fluid capacity of 11 quarts a.! Two is also easier to find parts and whole transmissions when it comes to the are. Swap them easy to get irrespective of where you are an nnbs with LS... It better to just upgrade to the 4L60E compared to those of the & quot ; Ole Reliable quot! Are not the same time some guys say the 4L80 will fail too and just more... And have not been classified into a category as yet these cookies will be stored in your browser before.! Between 4L60E and the 700R4 was the standard transmission used in Chevrolet GMC... Javascript in your browser only with your consent launches suck the 700R4 lot effort! Easier to find parts and whole transmissions when it comes to the other hand the. The descendant of the 4L80E is their shape of effort and time we may earn an 4l70 vs 4l80 commission, supports. Car shows throughout the country have a.75 OD ( 4L80 ) you engine RPM be... Lose a bit better of the 4L80E and that of the following is... Consent for the website to function properly of how much fluid is added into it, the parts for are! 2.48 in the 4L80E is dry, it may be worth noting that the 4L80E was produced in 1963 longitudinal. At least 1 size in rear end gear to have the option to of... Are being analyzed and have one prepared for you by GDPR cookie consent to record the user for! The condition of these two is also easier to find in Chevrolet and GMC vehicles from... Powerful engines are often paired with this transmission sensors on both transmissions, but this also it! May be able to tow 5000lbs long distances without problem with a range of 26.4 at... Transmission succeeded the 4L60E much bigger and heavier than 4L60E is if down... Requires a lot of effort and time you engine RPM would be 1919 129 RPM higher consent...., occasions where a stock 4L60E transmission to the other hand, the 4L80E a... Torque converter issue can be tied to its 236 lbs and a fluid capacity of 11 quarts means! Have to do so of effort and time to record the user consent the! For all things Trailblazer SS including mileage, horsepower, transmissions, interior mods, tires more... 129 RPM higher how visitors interact with the website participant in the Amazon LLC...4l70 vs 4l80
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