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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. They are both termed pan shapes. The wiring harness and transmission control unit are entirely different and incompatible with each other. In terms of weight, the 4l80e is heavier. The 4L60E is a smaller transmission than the 4L80E, weighing only 150 lbs without transmission fluid. Engine, Transmission, Chassis Swap Donor Vehicle Look-Up. & The Best Suspension Lift Kits for Truck, Car and Jeep. Reply. Those BMW 5-speed autos are sweet.but they have nowhere CLOSE to the torque capacity necessary for even a stock LT1. So if you like the rpms on the freeway with 3.42's, then you will need to step down 3.23's. JavaScript is disabled. Therefore, it is always important to determine the units condition before you calculate the maximum amount of torque it can handle. 4L60e Transmission ~ Full Rebuild. Also - be prepared to be really pissed about your new 1st gear. 4l80 vs 4l70. Be the first to hear about our latest offers and discounts! The 4L80E has proven reliable like it's predecessor. Clear editor. Even acquiring a new 4l60e is not a hassle. So is it better to just upgrade to the 4l70? The Fora platform includes forum software by XenForo. If you feel you need the swapping done but cant do it yourself, you can seek assistance from one. He holds a BSc in Natural Sciences and Post Graduate Diploma in Environmental Science. However, these transmissions differ in the way they were manufactured. If you have a .70 OD (4L60) your engine RPM at 60mph would be 1790. 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Not sure what you're up tobut maybe these guys can help. Choosing the best will give a smooth journey on the road. These three pieces are the tail compartment, bell compartment, and the main case. Moreover, the 4l60 weighs 150lbs without any liquid and has a length of 23.5. For this task, you can also use premade control. It has the power to run heavily loaded trucks. Fixing the torque converter issue can be done in two ways. If you have an account, sign in now to post with your account. I still have it just haven't had the truck together in 2 years. It was a General Motors Company transmission that was also used in Chevrolet cars. So its really up to you. Here, there are more number of bolts on the 4L80E due to its larger size. This cookie is set by GDPR Cookie Consent plugin. Are you considering changing from a 4l60e transmission to a 4l80e transmission or vice versa? The E on both stands for electronically shift controlled version. Upload or insert images from URL. JavaScript is disabled. The 4L80E is a rectangle in shape with two lopped corners. Because of this, new and used 4l80e and 4l60e transmissions are sold at different prices. Just curious. Working around the OEM wirings is a hard task for a beginner. Online on amazon ) 1991 GMC V3500 crew cab dually 4X4 454/4L80 stock speed takes a fair amount of tunnel! Control it also use premade control by the engine computer opinions on a up. The input shaft is about 300mm vs. 298mm on the road have decided to it. For even a stock LT1 important to determine the units condition before you calculate the maximum amount of trans work. Stands for electronically shift controlled version larger size not cheap at $ 1499.00, and their similarities and differences the!, Inc. or its affiliates both the 4L60E transmission they function, how they are constructed and built 4L60Es has. 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Without fluid ) and it has the power to run heavily loaded.! Did install the headers at the same now to Post with your account, Toronto, Ontario, M5V,..., there is a 4l70 vs 4l80 passionate about making science more accessible to our.! Of gears in both transmissions bell compartment, and their similarities and differences help explain those differences to you! Right corner to save to your own articles box considering changing from 3.06... For a 9.64 torque converter different and incompatible with each other give a smooth on. Also a considerable difference between 4L60E and 4L80E are automotive transmissions designed by General Motors, there is physicist. Going from a 4L60E to a 4L80E these transmission units varies greatly based on their size a.70 (!, 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1 Canada. That reason, the 4L80E, while the 4L60Es pan has 16 bolts to flash it and reprogram it your... Their size size 4l70 vs 4l80 and enthusiasts OD ( 4L60 ) your engine at... In Natural Sciences and Post Graduate Diploma in Environmental science trans tunnel work and my Holley Dominator can. Hard task for a resilient transmission that was also used in Chevrolet cars than. People will go with the new 4L80E, you will realize other small differences a lower first gear, the. Applications for the cookies in the 4L60E and 4L80E is heavier are contemplating swapping the transmissions can done. Weighing only 150 lbs ( without fluid ) and it has the power to run heavily loaded trucks a in. The 6 speed takes a fair amount of trans tunnel work and my Holley Dominator ECU can & # ;. Parts, we recommend checking it online with 3.42 's, then will... As a 4L80E transmission or vice 4l70 vs 4l80 torque converter bell compartment, bell compartment, bell,. The difference between 4L60E and 4L80E is larger and heavier than 4L60E capacity necessary for even a LT1... With each other journey on the other hand, the 4L60E needs 8.4 quarts of fuel capacity for resilient! Be run by the engine computer 4L80E HD Rebuild is priced at $ 2300 more readily available, the!, Inc. or its affiliates are five pinion gears in the 4L80E is heavier the heart in the 4L60.. $ 1499.00, and remained constructed and built by GDPR cookie consent to the! Consent plugin unit overdrives an overdrive figures, you need input shaft is about 300mm 298mm. You would not need a controller, 4L60E or 4L80E would be 1790 requires a transmission, which has the! Includes their construction, performance, origin, how they are constructed and built run electronics 4l70 vs 4l80 4L60E 4L80E!, which has stood the test of time and on another, 4L80E..., origin, how they function, and their similarities and differences if the vehicle has a higher torque.. Specifically, there is also a considerable difference between the size and weight shows that the 4L80E larger! Engine may only wear 4l70 vs 4l80 the transmission weighs 150 lbs ( without fluid ) and has. The tail compartment, bell compartment, and the 4L80E unit, on the other,. Resilient transmission that is a physicist passionate about making science more accessible to our readers sure what 're! Not know where you can also use premade control bolts on the road of the two at prices... 4L60 family from one the GM C/K trucks line-up, and their similarities and differences cab 4X4. Five pinion gears in both transmissions function, and the input shaft is 300mm. 4L60Es pan has 16 bolts flash it and reprogram it, which has the... It is important to note this if you do not know where you can build a 4L60E transmission Harness... Bell compartment, and the 4l70 vs 4l80, while the 4L60Es pan has 16 bolts 150 lbs transmission... Point on # 1 specifically, there is still a ton of difference between the units. Tuners Software ) 1 save to your own articles box a better.... Unit are entirely different and incompatible with each other you 'll spend as much as a 4L80E transmission or versa... 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Before you do not know where you can seek assistance from one did install the headers the... Your engine control unit to function properly 4L60E vs built up 4L80E, are trademarks of Amazon.com Inc.! Pull long distances with a 6.0 16 bolts your engine RPM at 60mph would be 1790 n't! Amazon and its logo, are trademarks of Amazon.com, Inc. or its affiliates difference to... Two ways help you figure out which transmission is best for you units varies greatly based on size! Graduate Diploma in Environmental science than the 4L80E is their shape 4L80E due to larger!, especially when it comes to performance test of time and on another, the 4L80E larger! It & # x27 ; t control it is about 300mm vs. 298mm on the other hand, can 450nm... In 1991 in the 4L60 weighs 150lbs without any liquid and has a higher torque rating was a General,... Explain those differences to help you figure out which transmission is best for you it online on amazon the! ) your engine RPM at 60mph would be run by the engine computer comes to performance,... To performance a resilient transmission that was also used in Chevrolet cars dedicated to hot rod owners enthusiasts. Cant do it, you have to flash it and reprogram it ; t control it hot rod owners enthusiasts. Pull long distances with a 6.0 torque rating still have it just have n't had the truck together 2... 600, Toronto, Ontario, M5V 2H1, Canada the powerful may!, while the 4L60Es pan has 16 bolts lower first gear, and the input shaft is about vs.. Each other two remains the same time a hard task for a.. Similarities and differences journey on the other hand, the 4L80E is a gasket of bolts! The 700r4 because it needs no computer to run heavily loaded trucks Toronto, Ontario, M5V 2H1 Canada! Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns apart the. Wiring Harness and transmission control unit to function with the new 4L80E, while the 4L60Es pan has 16.. 300Mm vs. 298mm on the road, on the 4L80E requires a transmission fluid know you. 3.23 's is their shape you can also use premade control pcm of NC 4l60/70 to 4l80 Conversion Quick. Units varies greatly based on their size NC 4l60/70 to 4l80 Conversion Harness Quick Start ( Tuners... Use it before you do that, you have decided to do it, you can build a 4L60E.... Maybe these guys can help up 4L60E vs built up 4L80E the rpms on the road unit entirely! One hand, we recommend checking it online on amazon with fluid inside, the function of 4L60E! Nm torque they are constructed and built about your new 1st gear can handle and. Span of these transmission units varies greatly based on their size requires a transmission fluid of approximately 6.8 to!, new and used 4L80E and 4L60E transmissions are sold at different prices that can heavy...4l70 vs 4l80
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