It's a model that was designed for high-performance functions, from towing and hauling to hot rodding. Care needs to be taken when deciding how to install a 4L70E in cars that originally used an older GM transmission while it often bolts just in, the car may not be compatible with the electronic components in the 4L70E if its a model before 1996. The '01 4L60E featured enough improvements to increase its torque capacity, and its designation was changed to 4L65E. The 4L70E and the 4L60E transmissions look very much alike, except for the differences in the internals. These cookies ensure basic functionalities and security features of the website, anonymously. Although most people want a smooth shift, smooth shifts happen due to slippage. Check around through other hotrodding buddies that may work at a dealership or know someone that does. With either model, you get an electronically-controlled GM transmission. B.L. The 80e is actually more cost effective if you do some leg work, because you can do far less in terms of beefing it up in the beggining and beat the living hell out of it.. PLUS WOT shifts into overdrive if you desire, and the odds of hurting it are very slim in a bolt on truck.example'68 malibu 80e swap80e on craigslist(late model) $350not uncommon(be patient)billet parts and some goodies(actually quite a bit of goodies) from ck performance(which actually makes alot of the parts the tranny shops sell you) <$1000.and home built for free. 4L70-E - 495 lb.-ft. | 4L75-E - 650 lb.-ft. 4L80-E Series The production-based Hydra-Matic 4L80 and SuperMatic 4L85 transmissions are differentiated by gearset design. A welder will also be necessary. This unit is ideal for performance uses with engines making an excess of 500-600 ft/lbs of torque or horsepower, but with proper modifications, they can withstand up to 1000 horsepower, Walk explains, The stock 4L70E can handle up to up to about 375 horsepower, and 350 pound feet of torque. You must modify the cross member to fit the new transmission. A forum for all things Trailblazer SS including mileage, horsepower, transmissions, interior mods, tires and more! The first is how to tell if the transmission that they are looking at that is not attached to a car is what they think it is. It also contains a durable transmission pan, a reliable gear seat, EPC, a 13-vane pump assembly, a high-performance cooler, a hardened stator shaft with rings, and specialized control solenoids. This cookie is set by GDPR Cookie Consent plugin. There are several differences between the 4L70E and the 4L60E. (been there done that, lol) ~ The PCM "WILL" control the 4l80e. The electronic model trans just gives you more consistency across the board.. It shares the same case and basic design with the 4L60E, and 4L65E. Each planetary gearset in the 4L80 has four pinion gears, while the 4L85 has five pinion gears. You may be wondering if it is quite possible to replace the 4L60E with the 4L70E automatic transmission. Jim Smart cut his teeth on automobiles in the 1970s with a passionate interest in Ford and Chrysler musclecars. Your simple guide to picking your way through GMs family of 4-speed electronic automatic transmissions can be summarized to: how heavy is your car, and how much horsepower are you looking to work with. The cookie is used to store the user consent for the cookies in the category "Performance". Better friction material is what gives Gearstar 4L70E transmissions more life and improved performance because there's no slippage and the resulting destructive heat. We apologize for the inconvenience, Automatic Transmission Controller, Atomic, Handheld Unit Only GM, Ford, Lincoln, Mercury, Each, Automatic Transmission Controller, TC Transmission Controller, Wiring Harness, GM, 4L60E, 4L70E, 4L75E, 4L80E, for Generic CAN EFI, Each, Estimated Ship Date: Heres a schematic on the changes from. . Most of the early big-block Chevy engines till the 1970s have 2-speed Powerglide automatic transmissions. $500 plus new GM front and rear carriers only. Beginning in 1996, GM went to a two-piece 4L60E with a removable bellhousing for wide use across a number of GM engine types including the new LS series V-8s. Otherwise, on its own, its almost impossible to be sure what youre looking at. This helps the automatic transmission to last for extended periods on the race track. The Turbo-Hydramatic or Turbo Hydra-Matic (THM) series was developed to replace both the original Hydra . 132 N. Howard St, Akron, OH 44308 Heres a quick little rundown on the 4L70E, its relative history in the world of GM transmissions, and its potential potential that transmission experts can take, unlock, and transform into pure performance. This cookie is set by GDPR Cookie Consent plugin. 70 = Torque Capacity based on vehicle gross weight where 70 means 7,000 pounds. * 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. Every transmission is a custom build to order by the same technician. Friction material plays a big part in the transmissions efficiency and durability. says Walk. It is also the final iteration of a design that started back with the 700R4. We have built them for applications ranging from heavy towing vehicles to 1800+ HP street/strip cars. This transmission holds 13.5 quarts of fluid. DOHC Vs. SOHC Differences and Which Is Better? You will need a new torque converter or flexplate if you want to swap the transmissions. $5 Off Your $100 Mobile App Purchase - Get the App. During our chat with Mark Walk of Gearstar Performance Transmissions in Akron, Ohio, we learned a lot about these time-proven GM overdrive automatics. The breakdown of which mods go into each of Gearstar's upgrades can be found at its website, Gearstar.net. of torque and 450 HP and below the 650 HP and ft./lbs. of torque range. The 4L70E is a four speed automatic gm transmission. We took some time to talk with the late model GM auto trans experts at Gearstar about these gearboxes, their common failures, and the best ways to upgrade them to handle what you can throw at them. They used lower gears ratios, had a different valvebody, offered the addition of Fourth gear, and came with a lock-up torque converter. 4L70E indicate a higher capacity, than the 4L60E transmission. if ordered today. The manual shaft has flats internally and a hole designed to accept the newly added Internal Mode Switch. 700r4 Transmission Specs & Identification (Full Guide), 6 Symptoms Of A Loose Alternator Belt And Replacement Cost, 5 Symptoms Of A Clogged Fuel Filter and Replacement Cost. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Stay Updated with Emails from Summit Racing. The outer part of it is going to be black or neon blue. It must be straight for optimal performance. Transmission builders like Gearstar can modify a 700-R4/4L60/4L65E/4L70E automatic to withstand different levels or torque and horsepower thresholds. What kind of changes did they make for towing? You dont want to swap out any transmission unless you get the new one to line up perfectly. The Fora platform includes forum software by XenForo. We also include an orange wire that must be installed in the "Vehicle" harness for carbureted or mechanically-injected diesel vehicles. It contains an electronic ECU and has undergone a few upgrades throughout the years. The 4L80E handles a lot more than the previous transmission. These 4L70E transmissions are pretty much automatic overdrives based off of the old Turbo-Hydramatic 350 transmission, Walk tells us, If you dont know exactly what you are looking for, its impossible to tell a 4L70E from a 4L60E or 4L65E. 20". The first way to tell the difference is by taking a look at the harness connector. The other one is that youre looking at a vehicle and you want to make sure that they transmission in it is the one that you want before you spend all of your time and money on pulling it. Shop for 1968-1976Corvette Shiftworks Automatic Shifter - Slap Shift (TH350, TH400, 700R4, 200R4, 4L60E, 4L70E, 4L80E) at Zip Products - complete source for C3 Corvette shifter & transmission conversion components. Can You Swap the 4L60E and 4L80E Transmission? The main differences between the 4L60E and the 4L80E transmission are the weight and size. I'd hate to burn up a trans towing, so what did they do??? Since the 4L70E automatic overdrive transmission is controlled electronically, the gear mechanism allows you to calibrate torque converter lockup, shift timing, and more. The TFT (transmission fluid temperature) sensor is no longer located in the 4L70E automatic transmissions predecessors. The 4L80E driveshaft isnt the same length as the 4L60E. If you cant fix it with a hammer,you have an electrical problem.. The 4l60e is smaller in size and has much less weight than the 4l80e. The 4L80E has proven reliable like it's predecessor. Next time I come across one Ill update this page to include it. You may find some swap kits on the markets though. Looking at the figures, you can tell there is a huge difference in weight and size between the two units. This website uses cookies to improve your experience while you navigate through the website. If you are going to swap out the transmission, you must also purchase the appropriate dipstick. The 4L70E transmission is a bit of a rare bird, and not very common. ( 35 ), Estimated Ship Date: We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Email: [emailprotected] GearStar Performance Transmission The torque converter for both transmissions is the same. Now, these transmissions have steady improved since their introduction, and today well take a look at the strongest example of the bunch: the 4L70E. You might prefer to look for a special adapter kit. It shares many components and design features. Read on for specs and more information. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". There are no other ways to tell the two transmissions apart, just by viewing them externally. We will safeguard your e-mail and only send content you request. The output shafts are different and are going to need addressed, one way or the other. 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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. Oct 6, 2016. if ordered today. It may have more clutches in some or all of the packs, and/or beefed up .
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