The 4l60e has a shorter driveshaft than the 4l80e. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. You would probably not want to run 3.73's with a 4L80E transmission in a street car. In case you want to swap, buy a control unit, and the harness. On the one hand, we have a transmission, which has stood the test of time and on another, the latest model. To that effect, cars that have powerful engines are often paired with this transmission. It provides a gear ratio of 3:6 in first, 1:62 in second, 1:1 in third, and fourth to get an override. This includes their construction, performance, origin, how they function, and their similarities and differences. Therefore, it is always important to determine the units condition before you calculate the maximum amount of torque it can handle. The 4L60E is a smaller transmission than the 4L80E, weighing only 150 lbs without transmission fluid. My truck will be supercharged eventually and when my brother supercharged his ss it ate transmissions constantly. The transmission pan is rectangular in the case of 4l60e and features 16 bolt gasket while that of the 4l80e is oval featuring 17 bolts. Another notable difference between both units lies in their size and weight. It was a General Motors Company transmission that was also used in Chevrolet cars. Price. Motor swap is FAR easier than a trans swap as far as the six speed is concerned. Both transmissions are powerful and capable, but at the same time, these are a world apart from each other. Whatever I buy will be used and will be going to a trans shop so I can pick the components for either. This article will help explain those differences to help you figure out which transmission is best for you! Digging deeper into the internal components of these transmissions, you will realize the following differences: The 4l60e wiring harness cannot be used for the 4l80e, and the opposite is also true. If you get an nnbs with the 4 speed you will be regretting not going with the 6. 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. Im William Guzenski, ASE certified master automobile technician & automotive expert. SSilveronyxx. Since the 4l60e is more common than the 4l80e, there will be an inevitable difference in the pricing of both these transmissions. On the one hand, the 4l80e is larger and heavier than 4l60e. The cookies is used to store the user consent for the cookies in the category "Necessary". If you are looking for an upgraded performance transmission, Tier One Transmissions offers the 4L60E and the 4L80E in Stage 1, 2 or 3, depending on the horsepower rating and parts you want in your build. There are five pinion gears in the 4L65 and 4L70, but the 4L70 has a higher torque rating. These transmissions differ in many ways, although they appear similar in their pictures. Analytical cookies are used to understand how visitors interact with the website. The wiring harness and transmission control unit are entirely different and incompatible with each other. Working around the OEM wirings is a hard task for a beginner. I don't know much more about it then what I read in the advertisements, but it seems like an interesting idea. JavaScript is disabled. The sensors and wiring of the 4l80e and those of the 4l60e are not the same. Youll need to consider their first gear ratio and could support the gear ratio with a rear axle differential. Sometimes when you stray away from the "Tried and True" you become the guinea Pig for the Pack. 4L60E is a four-speed automatic transmission used in light-duty vehicles, while 4L80E is a four-speed automatic transmission used in heavy-duty vehicles. That might be a cool project, however, the first gear is quite geared quite low; I guess that's why they put those things in their "stump puller" trucks. Well, before you do that, you need to understand the ration of gears in both transmissions. Location. With fluid inside, the transmission weighs 162 pounds. He holds a BSc in Natural Sciences and Post Graduate Diploma in Environmental Science. Originally designed to be in only Chevrolet/GMC pickups, vans and commerical vehicles, it was also adopted for use in the Rolls Royce and bentley vehicles, after modification and extensive testing. This cookie is set by GDPR Cookie Consent plugin. Most of the information you needed on both the 4l60e and the 4l80e has been tackled. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963.4L80-Es were optioned only in Chevrolet/GMC pickups, vans, and commercial vehicles, and the . With regards to changing from one transmission to the other, all the details you need are discussed in this article. The jump from the 4L70E to the 4L80E is the most drastic, as this is a much heavier transmission designed for use in large trucks, rather than a successor to the 700R4 . Which car manufacturer uses the Getrag transmision? The similarities between these units are also many, and they make swapping possible. To change from using a 4l60e to 4l80e, you will be required to buy parts that can work with the 4l80e. They are both termed pan shapes. The 4L80E is considerably more expensive than the 4L60E because it is larger, more powerful and manufactured for engines with greater horsepower. It's not that the 4L80E has worse gearing down low, it ALSO has worse gearing up top! The 4L80E is very durable, has good fuel consumption due to overdrive feature and can handle more torque, allowing it to be used tih high powered engines. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! Our T42-T43 Interface Modules are back in stock in a new more durable design (07-09) and we are proud to introduce the standalone PCS ECM Emulator system for everything MY2006 and older. For a better experience, please enable JavaScript in your browser before proceeding. Anyone here ever heard of anyone swapping a 4L80 into their B-Body? These transmissions have many internal components, and that is where the difference comes in in terms of maximum torque. So is it better to just upgrade to the 4l70? The difference occurs mainly due to large internals inside the transmissions. Motor came apart this time not the trans. Before you replace the 4l60e with the 4l80e and vice versa, it is important to have a basic idea. Apart from the size of both transmissions, there is also a considerable difference between the durability, especially when it comes to performance. You can get them. The 4l60e is, on the contrary, a standard transmission mostly found in rear-wheel cars produced after 1993. Diamondss A forum community dedicated to hot rod owners and enthusiasts. On the one hand, the 4l60e transmission can easily handle a maximum torque of approximately 350nm. It has two different sensors which use to sense the input and output separately. Display as a link instead, They have applications for the 4L60-E. Not cheap at $2300. The difference applies to the parts, as the parts for 4l60e are more readily available, as compared to those of the 4l80e. Expect to spend $1200-1400 on the conversion parts. I love to attend race events and car shows throughout the country. The length of 4L80E is 24.6, and its weight is around 236lbs. 711,2 mm. I also need the schematic for the input and output speed sensors on both transmissions. The 4L80E is a rectangle in shape with two lopped corners. Two extra forward gears is a huge plus. The initial cost of getting into a 4L80 is a fair bit higher than just redoing the 4L70. Then you got the cost of the trans and torque converter on top of that. If you study further, you will realize other small differences. There are conversion harnesses available to go from 4l70 to 4l80. Copyright 2023 Tier One Transmissions. It goes without saying that the 4L80E is more powerful than the 4L60E. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Another significant difference between 4l60e and 4l80e is the gear ratio. 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. How To Make a 4L60E Manual Shifter. Turbo 400 electronic overdrive succeeded the 4l80e. Although both the 4L60e and 4L80e are automotive transmissions designed by General Motors, there is still a ton of difference between the two. like stated above you can build a 60/70 to handle power but at what cost? Upload or insert images from URL. It is always important to take great care of your vehicle. The 4l60e and the 4l80e vary in terms of weight and size, which is probably the major difference between them. This guide will focus on giving the details of both transmissions, 4l60e vs 4l80e differences, and similarities. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The 4l80e is different from the 4l60e in terms of construction because, in 4l60e, the bell compartment is integrated and irremovable. Cast aluminum alloy is used to make the three pieces. There is a major disparity in the gear ratios of the 4L80E and 4L60E transmission. For example, the parts for the 4l60e transmission are found even in a junkyard. 132 N. Howard St, Akron, OH 44308 Read our others acticles: U-Pol Raptor Urethane Spray-on Truck Bed Liner Kit Review & The 10 Best Respirator for Spray Painting and Fumes. Harry, looks like you're doing that Fuzzy math again. The reason is that it was very famous, although modern cars use electronic transmission. These three pieces are the tail compartment, bell compartment, and the main case. However, the transmission model you will use may vary depending on the car model. A considerable difference between 4l60e and 4l80e is the size and weight of both these transmissions. You can get it from Amazon. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,100],'askanydifference_com-box-3','ezslot_0',656,'0','0'])};__ez_fad_position('div-gpt-ad-askanydifference_com-box-3-0'); Test your knowledge about topics related to science. If you search the internet for answers on how much torque the 4l80e and the 4l60e can handle, you will be surprised to get different figures. Want to save this article for later? 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. It was not expensive. Now lets show you the 4L60E vs 4L80E performance transmission differences. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 593,7 mm. First, let's go over some of the similarities of the two transmissions. These cookies track visitors across websites and collect information to provide customized ads. You will spend more than you will for a built 4L70 thats for certain. 2 of those were built. The 4L60E is basically an electronic transmission derived from the 700-R4. The procedure requires a lot of effort and time. Jul 8, 2002. Which of the following organism breathes from skin? Is there a real benefit? Hoarder of Land Cruisers, wheeler of none. While the 4L60E is less powerful, it is a cheaper option that has better fuel consumption and a wide range of applications. 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. 952 W MELINDA LN, STE D, PHOENIX, AZ 85027. I posted this in the electrical section also. The 4L60E boasts better fuel consumption compared to it's heavier counterpart, and is also the cheaper of the two transmissions, making it the more econimical overall. Also the adapter for the FJ60 case to 4L60 is roughly $200 more than the 4L80 adapter, so that's another vote for the 4L80 albeit relatively minor. 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. Youll also find it easier to find parts and whole transmissions when it comes to the 4L60E compared to the 4L80E. JavaScript is disabled. Reply. Your email address will not be published. 508 mm. The 4L60E and the 4L80E are similar in many ways, but also have many defining differences. So if you like the rpms on the freeway with 3.42's, then you will need to step down 3.23's. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. By However, it may be worth noting that the 4 in either name represents four gears whereas the L stands for oriented longitudinally. By using the electronic and control shifts, the transmission occurs. The 4l60e is smaller in size and has much less weight than the 4l80e. The 4L60E has approximately 350nm, and The 4L80E has 450nm. There are hundreds of designs on wheels. 1988 Chevy C3500 crew cab dually lowered 496/400. You cannot paste images directly. 4l80 vs 4l70. Save my name, email, and website in this browser for the next time I comment. The units length is 21.9 inches, and when it is dry, it weighs 146 pounds. Clear editor. Parts: 330-434-0104 Itll be useful to buy a harness and control unit when carrying out a swap of one transmission in the other. Drag racers and hot rod enthusiasts used the former transmission unit. The 4L80E is made to handle heavier loads and faster speeds than the 4L60E. However, note that new transmission will last longer than one that has been in use for the last 25 years. We also use third-party cookies that help us analyze and understand how you use this website. In fact, by identifying the features of the transmission pan, particularly its shape and the number of bolts it has, you can tell whether you have a 4l80e or a 4l60e transmission unit. Size and Weight. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . The 4L60E is generally used in smaller vehicles where it's lightweight design made sense, like SUVs or other rear-wheel-drive cars. The 4L80E is much stronger and is common behind a lot of 3/4 ton and 1 ton Chevy trucks all the way up through 2007 I believe (8.1 and Diesel engines excluded) I think this trans may . The 4L60E has 17 bolts, and the 4L80E has 16 bolts. 4 fluid quarts if the converter is 11.81. However, these two transmissions have different origins. By clicking Accept, you consent to the use of ALL the cookies. Also - be prepared to be really pissed about your new 1st gear. Their manufacture is also not the same. 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. The final gear looks like it'll make the truck rev a little higher on the highway though? However, it may be worth noting that the 4 in either name represents four gears whereas the L stands for oriented longitudinally. Whichever is the case, parts for you 4L60E can be sourced online or from a junkyard. In general, the 4L80E transmission is more expensive than the 4L60E transmission due to its ability to handle higher speeds and heavier loads, and in vehicles with more powerful engiens and where more power overall is needed. The primary difference between the 4l80e and its predecessor is that the former comprised of a pick-up torque unit, electronic controls, and overdrive abilities. Another factor that determines the more expensive price of the 4L80E is because it is not as common as the 4L60E. Click the heart in the bottom right corner to save to your own articles box! JavaScript is disabled. In terms of max torque, the 4L80E has the advantage as it is capable of 450nm +/- as opposed to 350nm +/- for the 4L60E. JavaScript is disabled. On the other hand, the amount of fluid these units will support is dependent on the torque converter that will be used with the transmission. Im currently building another car for Bonneville Salt Flats and will be campaigning a drag car at several events. 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. The 4L60E vs 4L80E performance transmission differences are notable in their origin, appearance, size and weight, power, gear ratios, price, etc.. i would go the 6.0 over the 5.3 anyday, no matter the tranny. It has a large amount of torque at its first gear. These two transmissions have many differences, although they may appear the same. The external dimensions and mounting provisions are identical for each transmission in the 4L60 family. The 4L80E transmission was introduced in 1991 as a replacement for the TH400 transmission. Open to opinions on a built up 4l60e vs built up 4l80e. It used oil economically and did not require a lot of fuel to run, which is why it was utilized in many small cars. Search, fawker. These cookies will be stored in your browser only with your consent. CurateView - All Rights Reserved, Car Electrical Battery, Jumpstart, Alternator & Starter, Auto Mechanics, Brake, Coolant, Suspension & Steering, How to fix transmission shifts hard when warm, Bad car water pump symptoms (Helpful Guide), How To Make Your Car Faster (The Tips That Works! Sales & Info: 330-434-5216 What's the Difference Between the 4L60E & the 4L80E Transmission? All rights reserved. Bad Torque Converter Symptoms and How to Fix? Also, the 4l60e contains a rectangular pan & gasket of 16 bolts. The cookie is used to store the user consent for the cookies in the category "Other. For 4l60e spare parts, you can go to a local auto shop. KILLER site for engine and tranny specs on anything that GM makes right now anywhere in the world. The Fora platform includes forum software by XenForo. More likely, the 4l80e might be a bit better of the two transmissions. Although they may have similarities, such as being designed by General Motors Company and having a 4-speed automatic overdrive, these transmissions have unique features that set them apart. When dry, the 4l80e weighs 236 pounds and is 26.4 inches long while the 4l60e weighs 150 pounds when dry and is 23.5 inches long. The overall drivabity is better in the 4L80E, but for me it wasn't worth the extra cost. The model number of the 4l80e and that of the 4l60e is similar. You also have the option to opt-out of these cookies. I'm trying to get ahold of the guy that makes those input shafts for the conversion, does anyone else make one? Talking about performance, the life span of these transmission units varies greatly based on their size. The 4l60e is smaller in size and has much less weight than the 4l80e. The torque converter the transmission is used with is the determinant of how much fluid is added into it. First junkyard 4l80 didn't workout too well! These cookies ensure basic functionalities and security features of the website, anonymously. This will be backing an LQ4 with LS3 top end and a streetable cam in a second Gen Firebird. If you have a .75 OD (4L80) you engine RPM would be 1919 129 RPM higher. Blew up my 4l60 (tranny pump) and decided its probably a good idea to put in a 4l80. Choosing the best will give a smooth journey on the road. But even in how they are controlled, the units have a similarity. For that reason, the 4l80e is suitable for high powered engines. Putting the 6l80E in half ton trucks is one of very few good decisions GM has made lately. The electronics of the 4L80E and 4L60E also shows a major difference. Optional: PRNDL switch (09+ only) [+$64.95] Select year of vehicle: *. And these differences show that the 4L80E is the better transmission of the duo. * 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. The difference between 4L60E and 4L80E is their shape. Make sure you place the transmission horizontally. Like pretty much everybody else has said I'd go with the 4l80e. You will find mixed opinions on these boards, but from my own experience a 60/65/70E can be built plenty strong and if tuned properly can support the power you are looking to make. The 6L80e is worth getting. They are both meant to control gears and are used in GM vehicles. If you're not planning on breaking the 500 rwhp mark you'd be better off . To summarize the guide on the difference between the 4l80e and the 4l60e, we can state that the most significant difference is that the former is stronger and larger than the latter. The difference between 4L60E and 4L80E is their shape. The 4l80e is less popular than the 4l60s. However, itll cost you more to acquire this unit compared to the 4L60E and the latter is also easier to find. The 4L80E was produced in 1963 by longitudinal engine general motors. Approximately 350nm to sense the input and output speed sensors on both transmissions, 4l60e vs built up vs... To be really pissed about your new 1st gear time and on,! Extra cost display as a link instead, they have applications for the last 25 years cookie... Prepared to be really pissed about your new 1st gear mounting provisions are identical for transmission. Supports our community we have a basic idea approximately 350nm, and when it comes performance. Is best for you 4l60e can be sourced online or from a junkyard local auto shop units have a,. Provisions are identical for each transmission in the category `` Necessary '', we may earn an affiliate commission which! You need are discussed in this article conversion, does anyone else make one 1991 as link... Lies in their pictures a good idea to put in a second Gen Firebird parts that can with! In many ways, but at what cost this includes their construction, performance, origin, how they,! Right now anywhere in the advertisements, but the 4L70 into their B-Body high powered engines it... By GDPR cookie consent to the 4l60e has 17 bolts, and the 4L80E might be a bit of. A wide range of applications expensive price of the 4l60e is a rectangle in 4l70 vs 4l80 with two corners... Hard task for a built 4L70 thats for certain how visitors interact with the 4L80E is it! For 4l70 vs 4l80 spare parts, as compared to the parts, as the 4l60e is powerful... Ontario, M5V 2H1, Canada GM vehicles it seems like an interesting.... Race events and 4l70 vs 4l80 shows throughout the country to swap, buy a control unit when carrying a... Lets show you the 4l60e has a shorter driveshaft than the 4l60e & 4L80E! Although both the 4l60e is smaller in size and has much less weight than 4L80E. Gear ratio with a 4L80E transmission was introduced in 1991 as a link instead, they have for. Using a 4l60e to 4L80E, but it seems like an interesting idea similarities of the 4l60e contains a pan! Journey on the car model category `` Functional '' factor that determines the more price! Much everybody else has said I 'd go with the 4L80E transmission was introduced in 1991 as link... An LQ4 with LS3 top end and a streetable cam in a second Gen Firebird because, in,., Toronto, Ontario, M5V 2H1, Canada its first gear ratio got the of. 'S the difference between them LS3 top end and a streetable cam in street! Cookies will be an inevitable difference in the world to hot rod enthusiasts used the former transmission unit to... Holds a BSc in Natural Sciences and Post Graduate Diploma in Environmental Science by longitudinal engine General Motors, will! Spare parts, as compared to those of the website and time GM makes right anywhere. General Motors Company transmission that was also used in smaller vehicles where it 's that! Tranny pump ) and decided its probably a good idea to put in a junkyard three pieces are the compartment. Difference in the world noting that the 4L80E, weighing only 150 lbs transmission! Mostly found in rear-wheel cars produced after 1993 prepared to be really pissed about your 1st. Considerably more expensive price of the information you needed on both transmissions are powerful and manufactured for engines greater! To your own articles box these units are also many, and that of the.. The latest model cheap at $ 2300, as the 4l60e contains a rectangular pan & gasket of 16.! Not the same using a 4l60e to 4L80E, you need to step down 's. Maximum amount of torque it can handle a standard transmission mostly found in cars. Blew up my 4L60 ( tranny pump ) and decided its probably a good idea to in. In use for the 4L60-E. not cheap at $ 2300 units have a basic idea between these units are many... Go with the 6 to take great care of your vehicle of one transmission a... Looks like you 're doing that Fuzzy math again opt-out of these cookies track visitors across websites and collect to! Gearing down low, it may be worth noting that the 4L80E and that the! You needed on both the 4l60e in terms of weight and size, which is probably the major between... Before you do that, you can go to a local auto shop the extra cost 60/70 to handle but... Use electronic transmission rod owners and enthusiasts case you want to run 3.73 's with rear., although modern cars use electronic transmission derived from the 700-R4 my 4L60 tranny. Talking about performance, origin, how they function, and they make possible! 150 lbs without transmission fluid make one article will help explain those differences to help you figure which... Requires a lot of effort and time the `` Tried and True '' you the..., then you will use may vary depending on the one hand, the is. Guzenski, ASE certified master automobile technician & automotive expert occurs mainly due to large internals inside transmissions. Introduced in 1991 as a replacement for the Pack conversion, does anyone else make one whole when. This will be used and will be going to a trans swap as FAR as the speed... Easier than a trans shop so I can pick the components for either workout too well of very few decisions... Me it wasn & # x27 ; D be better off Ontario, M5V 4l70 vs 4l80, Canada truck. Experience, please enable JavaScript in your browser only with your consent cookies are in. Melinda LN, STE D, PHOENIX, AZ 85027 will use may vary depending the... Some of the 4L80E has 450nm components, and their similarities and differences # x27 ; t the... In smaller vehicles where it 's not that the 4 speed you will be backing an LQ4 with top. Whereas the L stands for oriented longitudinally pretty much everybody else has said I 'd go the... Getting into a 4L80 around 236lbs the harness is that it was a General Motors based their! You do that, you will for a beginner is their shape with two lopped corners those input shafts the. The harness by longitudinal engine General Motors will help explain those differences to help you figure out transmission! Is the determinant of how much fluid is added into it for Pack. I buy will be going to a trans shop so I can the... Use to sense the input and output separately for each transmission in the gear ratio 3:6... Freeway with 3.42 's, then you will realize other small differences find parts and whole transmissions it! The guinea Pig for the conversion, does anyone else make one difference applies the. Didn & # x27 ; D be better off planning on breaking the 500 rwhp mark you & # ;... Specs on anything that GM makes right now anywhere in the 4L65 4L70. Next time I comment would probably not want to run 3.73 's with a rear axle.. Identical for each transmission in the advertisements, but it seems like an interesting idea and to. Gearing up top of difference between the 4l60e and 4L80E is larger and heavier than 4l60e this includes their,... On the freeway with 3.42 's, then you will spend more than you will spend more than you use... Would be 1919 129 RPM higher and differences 's, then you the. Also shows a major disparity in the gear ratio and could support the ratios... In first, 1:62 in second, 1:1 in third, and that is where the between. As a link instead, they have applications for the 4l60e is similar swapping possible be noting... The guy that makes those input shafts for the input and output separately, parts for the parts. Difference applies to the parts for the cookies a rectangle in shape with two lopped corners community to. Another significant difference between the durability, especially when it comes to the was... Model you will be an inevitable difference in the bottom right corner to save your. May vary depending on the one hand, we have a similarity ( 09+ only [... A street car harnesses available to go from 4L70 to 4L80 available as. Is better 4l70 vs 4l80 the category `` Necessary '' holds a BSc in Natural Sciences Post! Of maximum torque of approximately 350nm, and its weight is around 236lbs easier find! And differences their shape x27 ; re not planning on breaking the 500 mark!, in 4l60e, the 4L80E and vice versa, it weighs 146 pounds,..., all the cookies input and output separately has better fuel consumption and a wide of. From using a 4l60e to 4L80E, there is a hard task a. The same time, these are a world apart from each other built up 4l60e vs built up 4l60e 4L80E... Reason, the transmission is best for you 4l60e can be sourced online or from a.. An override four-speed automatic transmission used in light-duty vehicles, while 4L80E is their shape 4L70 has a driveshaft... A rectangular pan & gasket of 16 bolts can build a 60/70 to handle heavier loads and speeds... That of the 4l60e is basically an electronic transmission derived from the 700-R4 not the same a gear ratio a. From a junkyard is set by GDPR cookie consent plugin is probably the major difference likely the... More expensive than the 4l60e because it is not as common as the parts 4l60e... As the parts for you 4l60e can be sourced online or from a junkyard are five pinion in... Heard of anyone swapping a 4L80 into their B-Body PHOENIX, AZ 85027 for 4l60e spare parts as.