4l80e Swap Issues
So, what causes the no 3rd gear or 4th gear problem? Below are some common things that fail in the 4L80E and cause this problem. Alexandria Area Swap and Shop has 45,415 members. Hello, I currently swapped out my 4l60e to a 4l80e trans. 2 cracked on for 700R4 (3 Stud versions) and now a 4L80E torque converter issue with the pump bearing collar seizing onto the converter. I am going to try to read through this thread again , but I must be missing something. In this video, Curt goes through how to tear down a 4L80E. net keeps breaking 6 speeds so hes swapping a 4L80e into his Escalade. chevrolet automatic transmission selection chevrolet automatic transmission parts astro 1995-05 4l60e chevrolet 'astro' automatic '4l60e' transmission parts avalanche 2002-06 4l80e, 4l85e chevrolet automatic trans transmission parts. Mag-Hytech pan, syn. It's a cost-effective and reliable solution for eliminating LS swap misalignment. I did one about a few weeks ago didnt mess around to much with the electronics just swapped the wireing to, but i know they got about the same gears, the 4l80e is about 3in longer and alot heavier. The pump out line should always be installed on the lower inlet of the cooler so it pushes air up and out of the cooler and doesn't form an air packet which could cause over heating issues. If it were mine, I would be looking for a late 99+ 4L80E or 4L85E trans to go back in it. 4L80E is a TH400 with the OD added and electronic control. I'm a newbe here but lets not let that keep us from getting down to the business at hand. Although the LQ9 is the HO (High Output) 6. Swapping from the 4L60E to the 4L80E is not difficult to do in vehicles that were equipped with both transmissions. 3L is mated to a 4L60E and not a 4L80E? It is rare, but the 4. They should be 0. the bracket fits on the 4L80E tranny perfectly. If you are installing this behind an early model engine (prior to LS) there are a few technical issues. 4l80e NNBS T42 swap. I have a 1957 pickup and I got a great deal on a 5. I started off with the goal of doing a "sloppy" or budget oriented build for 1000RWHP. Crazy coincidence is just last night while I was working, I was talking with another driver and he told me a story about a few trucks of his with 4L80E's in the past where he had lots of solenoid problems. Are gear ratio's fixed when building 4l60e or 4l80e. If you plan on upgrading your transmission and you’ re having trouble with the wiring, back up lights, or shift points, the new Go EFI GO SHIFT system is for you!. Do you have to use the shifter for all up and down shifts?. ACCESSORY DRIVE. Whether you need 4L80E wiring diagram information, 4L80E transmission rebuilders tips, 4L80E technical information, 4L80E diagnostics, 4L80E troubleshooting help, or. The 4L80E is an automatic transmission that was designed to be highly durable. Lokar's Column Cable Shift Linkage is the ultimate answer to interference issues when you are unable to use factory or Lokar's hard column linkage. Make sure to add year and AWD or 2WD to the comments when ordering. 4L80E swap parts list? I have done swaps in other vehicles but I just want to make sure I got my bases covered. TH400 to 4L80E Swap for dummies, help needed (crossmembers) There were some writeups on this site on how the swap went, but nothing went too deep into the crossmember and transfer case support. Not just any answers either, but well-researched and proven to work! The kind that can save you a lot of time, money and headaches. SOURCE: Transmission swap Dear Sir, I hope you are fine and very well. Our transmission controllers are compact, packed with features, and have a built-in display for tuning as well as user-friendly software for more in-depth tuning. Yeah, it's a bus I have an issue with the automatic transmission, the 4L80E. fluid, aux. Add a few performance parts to them, and you have a transmission that will handle more than the engine can with full performance modifications. So, i am going to go with that instead of the old 283. The 700R4 tranfer case and one for a TH 350 are the same except the input shaft diam. Chevy 4L60E to 4L80E Transmission Swap Goodbye 4L60E, Hello 4L80E. Holley Motor Mounts, Hooker Stainless Headers, Holley 4l80 trans crossmember, Champs oil pan, and Holley Hi ram was the combo that fit on my car. i just did i 4l80e swap on my brother 99 1500. 4L80E Beast 1200+ HP Transmission converters sold separately! This 4L80E Beast is designed to handle 1200+HP! If you are in a RUSH or need a transmission now we can not help you Sorry. Besides the wiring difference, the ECM also requires a segment swap as that portion of the transmission control is completely different. These early designs inherently leak fluid through their pass through connector. Engine runs fine having difficulty getting the trans set up to work correctly. This swap kit is for 1973-1987 GM ½ ton 2 wheel drive trucks and 1973-1991 2wd SUV. Expect to pay around $750 (I've seen them from $500 to over $1000) for a used T56 transmission bare, or $1250 ($700-$1700 range) for the complete package (with the flywheel, clutch, shifter, all bolts, etc. Included Parts: * 4L80E TCM and Harness * 4L80E Cossmember. I've seen other threads with problems with the Tranquility 27, but they seem to get them worked out. Find Automatic Transmission Controllers with GM Transmission Make and 4L80E Transmission Type and get Free Shipping on Orders Over $99 at Summit Racing!. solutions to many of today’s most prevalent transmission repair problems. President Donald Trump signed an executive order on Wednesday barring US firms from using telecom gear from sources the administration deems national security threats. All 4L60E transmissions at present will swap right in. Install in 15 minutes. 4L80E transmissions are designed for use on longitudinal engines and has four forward gears. Welcome to the new Gearstar Performance. I have a 93 one ton chevy with a 4l80e , my truck would not go into third gear or overdrive. The 4L80E is a 4-speed (with overdrive), electronically controlled transmission, with ratios:. Other than the crossmember & driveshaft, anything else that will give me problems? Like trans tunnel. My truck is a 1996 GMC 3500 dually, 4x4 crew cab. We keep 4L80E transmissions in stock and offer fast shipping. Sold original weezer of an engine and misfit doug nash 4+3 to help finance!. An evolution of the popular 700R4, the 4L60E, is a popular swap transmission. One guy that swapped over a 4L80E in his Sy & raced it many times before w/a 700R4 ,did the swap,made absolutly no difference in ET or MPH, but now, he can beat the crap out of it & it wont blow up. Strap yourself in. Sloppy Mechanics Wiki. In this video, Curt goes through how to tear down a 4L80E. The drivetrain consists of a 4L80E HD four-speed automatic with manual valve body and lockup converter connected to a Lincoln 9-inch rear end with a Detroit locker and 3. We have acquired a Z4 chassis to do an LS series V8 swap on… We will document that swap on our forums starting in early 2015. into a 4L80E transmission you can follow the standard GM torque converter installation instructions. 4L80e problems I purchased an 0411 computer with a base tune and when I got it installed the trans would not work properly. The question comes in rear gears to match to the 4L80E. Generally, if you unplug the TCC solenoid at the transmission and the symptoms go away, you have found the problem. Has anyone done this or know anything about the difficulty of the swap. If you are considering a transmission swap the following comparison information can be very helpful in your decision making. I found one listed for a 99-03 for the right price. problems, etc. Common problems with the 6. I have heard that a GM TH400 to NP208 adapter will work, but what about a GM 4L80e to NP241 (driver drop) adapter?. Used a nelson Harness and performed the segment swap. But if your interested to go for a ride in my truck stop up this weekend. Use this page to Sell, Trade or Buy new and used items. 0 with a 4l80e and built a crossmember NO WARRANTIES: All of the information provided on this website is provided "AS-IS" and with NO WARRANTIES. How to Solve Chevy Silverado 2500 HD Transmission Problems. 4L80E Performance Specs. There is at least one guy I know of with a 6 speed in a. 4L80E is a TH400 with the OD added and electronic control. 4L80E Full Throttle Shift Issue It shifts just fine part throttle, but will not shift under full throttle. The wire colors are the same as the factory wire colors for car and truck TBI injected engines. Then the next issue is the tailshaft housing. I'm going to convert my 87 Chevy 4x4 - 350tbi/t400/np208 over to a 4l80e/np208 I'm swapping in a 16197427 controller and I believe there was a cal for that ecu and the 4l80e My first question would be what year 4l80e transmissions should I be looking at?. This is the best value for the rebuilder who wishes to replace all commonly worm components in their GM 4L80E transmission rebuild. I had a 4L80E trans. Transmission Swap Comparisons. Came with the adapter and new pig tail and pins to install the second speed sensor. Includes adapter and ISS (input speed sensor) harness. GM 4L80E / 4L85E Transmission Overview. well my motor was on its last leg and buddy has a fuel injected 1. It's not the easiest swap to do, and a 4L60E can handle a lot of power on its own. Chevy 4L60E to 4L80E Transmission Swap Goodbye 4L60E, Hello 4L80E. 400 spacer instead of the longer crank snout to mate to the 4l80e. Selecting a Hughes Performance 4L80E transmission for your vehicle opens the doors to all kinds of possibilities. 0 you have and buying a newer one. its possible. My question is can I just plug in the 20 pin connector to the 4L60E and have no problems? I have not seen such an adapter for a 4L80e to a 4L60E swap (not that many would do that swap). 1967-1969 1st Gen F-body LS Conversion. I'm hoping I can pickup the jw bell without the pump holes in it and drill thtem myself if they don't have a direct fit 4l80e to sbf. My truck is a 1996 GMC 3500 dually, 4x4 crew cab. 1999 4l80e 4x4 transmission and transfer case in good working condition 190k was out of a 2500 Chevrolet pick up truck, pulled to swap in my suburban has been stored inside my suburban for last 6 months just pull outside today ( Oct 28) covered with tarp after photos will include flywheel with spacer and bolts and dipstick for anyone doing a swap for asking price of 500. We have built them for applications ranging from heavy towing vehicles to 1800+ HP street/strip cars. light duty trucks for 1991. 4L80E from a 1995 G3500 pickup, crossmember relocation, driveshaft mods are no problem. 4L80E Beast 1200+ HP Transmission converters sold separately! This 4L80E Beast is designed to handle 1200+HP! If you are in a RUSH or need a transmission now we can not help you Sorry. The 4L80E and 4L85E was rated to max GVWR of 18,000 (Axle and vehicle dependent). So, what causes the no 3rd gear or 4th gear problem? Below are some common things that fail in the 4L80E and cause this problem. Codes can be cleared by. Using a Stock TBSS E67/T42 combo is very much feasible, not very difficult and from what I know provides the same functionality as a segment swap situation. almost every sensor on the transfer case is different except for the 6 pin plug on the motor. – please contact the site owner with comments. The 4L80E is an automatic transmission that was designed to be highly durable. So that was about all it took to get it done. Bolt on LS1 swap kit for your BMW E36. This is a discussion on Are gear ratio's fixed when building 4l60e or 4l80e within the Automatic Transmission forums, part of the Drivetrain category; Can someone educate me on the internals of automatic transmissions. I'm going to convert my 87 Chevy 4x4 - 350tbi/t400/np208 over to a 4l80e/np208 I'm swapping in a 16197427 controller and I believe there was a cal for that ecu and the 4l80e My first question would be what year 4l80e transmissions should I be looking at?. I know jet makes a sand alone computer but I was wondering if there are fitment issues and driveline issues and so forth. GM 4L80E swap into a 1968 GTX Resto-Mod. Whether you are looking for a stock 6L80E transmission or performance one we have the perfect solution for you. Despite its name, the 4L80E is not an upgrade to its GM counterparts. Transfer case should swap over fine, but will need a different input shaft. GM 4L80E / 4L85E Transmission Overview. The 4L80E is quite a bit larger towards the rear of the transmission and will have some problems fitting the transmission tunnel in some early GM models such as the ’62-’67 Chevy II, but generally fits the mid-size and full-size early GM passenger car platforms without much issue. So, i am going to go with that instead of the old 283. - Answered by a verified Chevy Mechanic. ACCESSORY DRIVE. advance adapters has a swap guide which I think you can download. Same crappy ratios in first and second. The 4L80E Conversion Kit provides all the parts needed to complete a 4L80E conversion on a TrailBlazer SS. Most have had them updated by now, but there are still some that haven't and might need replacing. It is fairly simple to make a 4L60E harness from a 99-07 1/2 ton 5. not temp related. 4L80E Performance Specs. (454 w/4l80e ) I went through the 4l80e rebuild process, I've got a standard rebuild with HD converter, and the transgo HD2 kit. Codes can be cleared by. If it is a 3/4 ton then it MUST have the 4L80E put in it. The engine prices vary with mileage, but let's get a basic idea of how we price our engine. 4L80e NNBS t42 wiring (thank you chris ortiz for the writeup) Pull your transmission connector, pull the covers and the. 9K GBodyForum is a participant in the Amazon Services LLC Associates Program. 75 first and a 1. Our Process: All of our transmissions are fully remanufactured and are held to the highest and strictest industry standards. 0 lq4 4l80e 2wd 28k miles silverado sierra tahoe yukon ls c10 swap - $2800 < image 1 of 3 > Good oil pressure no issues. Hi Folks, Just thought I'd make the quick observation that the tightness of tranny fitment to the floor, will depend very much on the height of the crossmember support under the rear transmission mount, which, in turn, one adjusts in conjunction with the rear, to set front and rear driveshaft U-joint angles. 4L60E to 4L80E Swap. Tencent Music. Here are the main parts that you are going to need in order to make your own 4L60E to 4L80E swap kit. But, GM had been in transmission limbo, so to speak, needing a modern transmission to fill the duty gap between the excellently versatile 4L60E (and its tougher 4L65 & 4L70 variants) and the Allison transmissions. The wire colors are the same as the factory wire colors for car and truck TBI injected engines. It's like he could. 0 4x4 with 4L80E trans, the truck has 283k miles but ive only had for short time and have no idea about the previous maintanance. CJ-5 Stretch, LQ9/4L80E Swap, Holley Terminator LS MPFI. 0L and 4L65E on the 1962 Corvette frame he ran into fitment issues with the GTO front accessories. In other words you will need a T case from a TH 350 or swap the input shaft for a TH350 into your T case. The 4L80-E (RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. The linkage arm is fully adjustable to match any shifting mechanism and indicator perfectly. The primer (84) truck was a running and driving truck daily until the trans cooler contaminated it with antifreeze. This conversion kit accommodates both AWD and 2WD models. Plus a crappy OD ratio. Includes adapter and ISS (input speed sensor) harness. Destroked has demystified Ford, Cummins, Allison, diesel conversions. Whether you're looking for your high performance edge on the street or strip, Finish Line Transmissions is the place for you. 4L80E Differences: '91 -'96: They are all pretty much the same. Do you have to use the shifter for all up and down shifts?. Has anyone done this or know anything about the difficulty of the swap. You would have to do some floor pan mods to ever get the bottom of the tranny high enough off the ground to prevent road dragging problems. there was sufficient clearance around the tranny without any tunnel modifications. 4L60E to 4L80E Swap? I Have a 99 1500 Silverado 5. The 4L80E has proven reliable like it’s predecessor. 1985-1992 Throttle Body Injection Wiring Harness Installation. I have a 93 gmc 4x4 pickup with an automatic 4L80E transmission. Speartech also provides LS and LT ECM programming (including E38, E67, E40, E92), LS engine wiring harness reworks and conversion, adapters, and programming harnesses. It's a good strong unit to begin with, but when you combine its overdrive capability with its strength and durability compared to a Turbo 350, it's like night and day. ATI's Turbo 400 Drag Racing Transmission. I plan on swapping to a np205 when performing the 4L80E swap too. The 6L80 would have big shoes to fill, with legendary predecessors like the TH400, 4L80E and 4L60E transmissions. Have Peace Of Mind, knowing that your new 4L80E Transmission has all the Updates developed by General Motors Engineers combined with the Latest Industry Advancements providing Unparalleled OE Strength and Durability. It’s a cost-effective and reliable solution for eliminating LS swap misalignment. This conversion kit accommodates both AWD and 2WD models. I bought a transmission Manuel on the 4l80e. Inexpensive, powerful, and plentiful, the Gen III and Gen IV small-block Chevy has changed the landscape forever for anyone looking to restore a classic muscle car or build an ’80s beater into a world-beater. References to IDE and SCSI have been deleted, all recent drives are SATA. The 4L80E is not without problems though, as hard shifts and losing the reverse gear are some of the most common problems reported from this transmission. Posted By: whisperide on 02/21/12 04:46pm 4L80E is an evolution of the TH400. Are you sure that 4. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. it runs fine just had trans issues. 4L80e problems I purchased an 0411 computer with a base tune and when I got it installed the trans would not work properly. Build thread and questions. Hey guys, I've searched all over the web and gotten some partial answers. The trans is a rebuilt and I just put it in. The 4L80E and 4L85E was rated to max GVWR of 18,000 (Axle and vehicle dependent). You might be a service technician that wishes to look for recommendations or resolve existing problems. I finished the swap in Oct 2010, so its been 3 months with no problems at all. US Shift Electronic Transmission Control Systems let you take charge of your 6R80, 4R70W, E4OD, 4R100, 4L60E, or 4L80E transmission and unlock its true potential. not temp related. Converting your hot rod to a modern powertrain such as the GM LS3 allows you to have your cake and it it too as your new engine will surely make more power while increasing reliability compared to the 1960's technology you may have now. The actual swap won't take place until after the racing season is over. Using a Stock TBSS E67/T42 combo is very much feasible, not very difficult and from what I know provides the same functionality as a segment swap situation. Answer to that issue. I'm happy with the end result but getting there wasn't fun. Generally, if you unplug the TCC solenoid at the transmission and the symptoms go away, you have found the problem. i was driving to the store today hit a potho. The worst complaints are transmission failure, loud clunk when accelerating from a stop, and whining gear. its possible. used a 02 avalanche with a 8. So my pump is shot. Hi Folks, Just thought I'd make the quick observation that the tightness of tranny fitment to the floor, will depend very much on the height of the crossmember support under the rear transmission mount, which, in turn, one adjusts in conjunction with the rear, to set front and rear driveshaft U-joint angles. Leaking fluid or noise coming from the front differential is a sign of problems. ECM reprogramming required for proper operation. The drivetrain consists of a 4L80E HD four-speed automatic with manual valve body and lockup converter connected to a Lincoln 9-inch rear end with a Detroit locker and 3. Put 23 years of GM Engineering experience to work for you! Go with the name that leads the way in GM LSX engine swap harnesses, Speartech Fuel Injection Systems, Inc. Part throttle goes up & down through the gears with no issues, including OD & TCC lock and unlock. See more 6an X 1/4npsm 4l80e GM Transmission Oil Cooler Email to friends Share on Facebook - opens in a new window or tab Share on Twitter - opens in a new window or tab Share on Pinterest - opens in a new window or tab. It is cheap to buy new connectors and easy to get at most parts stores. One of the most common (and most frustrating) problems that happens to the 4L80E is when it loses 3rd and 4th gear at the same time. Whether you are looking for the evenly geared 2004R or the aggressive first gear (3. two problems with the 4l80e one could be line pressure, the other the 80e has a fail safe that wont let the trans shift to reverse if it senses a speed of greater than 8mph. This LS swap kit is made specifically for 1968-1972 Chevelle, Le Mans, GTO, Tempest, Cutlass, Skylark, and GS. I am considering swapping my 4l60e to 4l80e in my 95 heavy half for towing purposes, but I have been finding some conflicting information. As 4th gen f-bodies become more plentiful in junkyards, the prices steadily decline. Using our modifications or some valve body kits, the direct clutch issues are resolved and the 4L80E will generally be reliable up to the 750 HP/TQ range unless it's a very heavy combination (over 4500 lbs) or using nitrous. For Silverado and Sierra pickups, the engine was backed by either a 4L80E 4 speed automatic transmission (with overdrive) or the popular NV4500 5 speed manual transmission. Our 4L80E master rebuild kits contain an overhaul rebuild kit, high-energy friction module, band, oil filter, full steel module and a master bushing kit. Harnesses are available for engines using Computer Controlled transmissions, automatic 4L60E / 4L80E and Allison Automatics, and 5 and 6 Speed Manual Transmissions with a factory Vehicle Speed Sensor. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. Moderators: John90XJ, Avanteone, Wang90XJ. 4L80E Swap, 4L80E Conversion, 4L80E, 4L80E HD Transmission Master Conversion Package 2WD, Monster Transmission, Monster 4L80E Transmission, Buy 4L80E Online with Free Shipping. the proplem i found is the old transmition has 2 speed senser and the new one has one senser. 4l80e transmission shifting problem, very hard shifting after exteneded periods of driving. As above we're doing a 1991 4L80E swap into a 1995 4L60E GMC Yukon. Hi, Received the letter telling me I need to swap my sim - followed all instructions given, requested date (today) etc. The 4L80E is a 4-speed (with overdrive), electronically controlled transmission, with ratios:. Or should I buy a different transmission, rebuild it, and swap it in. 4L80E from a 1995 G3500 pickup, crossmember relocation, driveshaft mods are no problem. Filled out the form for the tune alteration from Black Bear, going to leave shift firmness and torque management alone for now. Posted By: whisperide on 02/21/12 04:46pm 4L80E is an evolution of the TH400. Our site has more Crank and Cam Signal Kits, Connectors, Terminals, and Professional Series ECU Extensions than ever before! We offer a range of wiring harnesses perfect for your injection system, fuel pump, and fuel injectors - all made with the proper TXL wire to complete your project. One thing to consider is that the 4l60e was named th350 and 700r4 before in earlier models and the 4l80e was named th400. They were also known to have a crappy connector that passes through the case. An evolution of the popular 700R4, the 4L60E, is a popular swap transmission. The plan to run the Vintage Air A/C system requires 11. Some have relays and other non-needed parts to try and get away from a segment swap in the PCM for the 4L80e. The 4L80e has gone through several phases of improvement through the years as they flushed out reliability issues. I had a customer bring in a 2007 Silverado 1500 that had a 4L80E swapped into it. I ended up buying hp tuners and quickly. Put 23 years of GM Engineering experience to work for you! Go with the name that leads the way in GM LSX engine swap harnesses, Speartech Fuel Injection Systems, Inc. This swap kit is for 1973-1987 GM ½ ton 2 wheel drive trucks and 1973-1991 2wd SUV. We focus on quality not quantity this is why we have so much success!. He can give you his feedback, but the thing rips. Just hit 250XX on my original stock 4L60E and 10 bolt. NHRA Pro Mod Charlotte: Big Congratulations Rick Hord and Carl Stevens on taking the Number 1 Qualifiers spot with his Xtreme Racing Engins powered Corvette by laying down the quickest turbocharged pass in NHRA history with a 5. CFTC Staff Issues Final Swap Dealer De Minimis Exception Report August 17, 2016 higher or lower than $3 billion, (2) setting a notional de minimis threshold specific to each asset class, (3) developing a de minimis threshold that factors in a market participant’s number of counterparties or. Common transmissions to be re-used are the 4L60E, 4L80E, TH350, TH400, and powerglide. I must regret doing a 4l80e swap. 0 4x4 with 4L80E trans, the truck has 283k miles but ive only had for short time and have no idea about the previous maintanance. The goal is to meet or exceed the 1/4 mile performance of the 396, with better driveability and improved fuel economy. The 4L80E is the descendant of the “Ole Reliable” TH400 transmission. Although the LQ9 is the HO (High Output) 6. the gear box fail down, i couldn't find smiler one in my place with the same model but i found 4L80E model 1999 454 vortic Engine and i fix it to my car. The first thing that I would check is the shift solenoids in the tranny. I have a 4l60e, they still make a kit for this one. My truck is a 1996 GMC 3500 dually, 4x4 crew cab. At Jake’s Performance the 4L80E is our most popular transmission. Same crappy ratios in first and second. 4L80E Transmission and Torque Converter. 2 cracked on for 700R4 (3 Stud versions) and now a 4L80E torque converter issue with the pump bearing collar seizing onto the converter. Selecting a Hughes Performance 4L80E transmission for your vehicle opens the doors to all kinds of possibilities. It shifted fine. I installed the trans into the car and it fit without any floor clearance problems. When activated, this feature altered the shifting strategies of the auto transmission to aid towing and hauling of heavy loads. Automatic Overdrive Transmission Swap. 4l80e transmission shifting problem, very hard shifting after exteneded periods of driving. (Photo Courtesy General Motors) Flexplate. 4l80e no forth or overdrive. Sure Shift Automatics - Automatic Transmission Specialists - We are the experts in automatic transmission servicing, repairs, rebuilds & hi-performance. This is a computer controlled transmission first introduced in G. Seeking details regarding 2000 Chevy 4L80E Transmission Shift Solenoid Location? you are right here. If you're in a junkyard or swap meet hunting for a 4L80E, there are a few ways to identify the transmission. Just picked up a 4l80e to swap into my 73 later this year. This guide will assist you in making a seamless LS engine swap. Are you sure that 4. Sloppy Mechanics Wiki. Swap your 4L60E transmission to the much stronger 4L80E transmission with our new double strength case hardened output shaft and adapter kit. 86' and older 700's have a reputation for problems. They allow a car to run deep rear gears for tire-smoking or wheel-hangin' launches yet still. 4L80E Transmission and Torque Converter. It has a 2. i did fabricate my own crossmember, shortened the driveshaft and used a 3rd gen camaro B&M Megashifter with it. 1967-1969 1st Gen F-body LS Conversion. 5 diesel K 2500 over to a carbed 454 Gas ? From what I saw if my 6. Both are still running strong, but my days are numbered. Experience plus Quality parts equal superior quality and long life Automatic Transmissions. Hello, I currently swapped out my 4l60e to a 4l80e trans. 3 4L80E Swap & General Information. Leaking fluid or noise coming from the front differential is a sign of problems. 3L/4L80E combination actually did exist. Yeah, it's a bus I have an issue with the automatic transmission, the 4L80E. Justin Cesler Sep 11, 2013. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. all the trouble u went thru to get the 4l80e transmission under there. 4l80e and TCI issues and questions hey just got back around to driving my car again after i did a mini tub and 9in swap, and trying to figure out this. Generally, if you unplug the TCC solenoid at the transmission and the symptoms go away, you have found the problem. Since every LS engine swap is a little different and there are lot of choices to be made, you can use this guide as a reference for ideas and part numbers as you move through the process. Ken Brubaker Photographer, Writer. The question comes in rear gears to match to the 4L80E. can clear the code and will shift gears normally but no lockup and after a 5 to 10 mile drive will shift hard but stll no lockup. Gearstar's precision, unrivaled craftsmanship. Add a few performance parts to them, and you have a transmission that will handle more than the engine can with full performance modifications. this transfer case only has 1 speed sensor. Well on the 8' bed the with the TH400 the drive shift need to be longer if your switching to a TH350 or 700R4. It can be done, but I do not do this conversion. Moving your transmission to make room for an LS Engine swap is easy using our patented Adjustable Transmission Mount. The 4L80E transmission in my 1994 K3500 dually lost reverse suddenly. 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. - Answered by a verified Chevy Mechanic. G-Body LS Swap New. The transmission, 4L80E, will not shift out of first, abs light is on, no speedometer, no heat or a/c, all at the same time, then all went back to normal with gerky trans shifting, then all went to ma. 100+ years combined experience. Automatic Shift Linkage Arm T350, 400 & 700R4, TH200, 200R4 , 4L60, 4L60E, 4L80E Product Description: Our stainless steel shift linkage kits take care of shift linkage problems encountered when a steering column and transmission swap is done. This bracket is designed to bolt right onto the 6L80e. Answer to that issue. they said they no longer make a kit for the 4l80e. Just hit 250XX on my original stock 4L60E and 10 bolt. Chevy 4L60E to 4L80E Transmission Swap Goodbye 4L60E, Hello 4L80E. and hopefully have no more issues with the supercharger fit. And sorry if the pictures are a bit dirty, This was after some extensive 'testing' of the new set up. Since these engines are going 300,000 to 400,000 miles without any issues we consider anything under 120,000 as low mileage, anything with 120,000 to 170,000 average/mid mileage and 170,000 to 225,000 as high mileage. I've long wanted overdrive for the '57, and EFI isn't a bad move, either. The weak point above this power level becomes the OEM input shaft. The transmission has gone out can I replace it with a 4L60E and if I can do I have to change the transfer case and drive shafts 9 Answers. But, GM had been in transmission limbo, so to speak, needing a modern transmission to fill the duty gap between the excellently versatile 4L60E (and its tougher 4L65 & 4L70 variants) and the Allison transmissions.