6l80 to 6l90 swap. I'd ideally rather get a 5. :thumbsup: IIRC, when Vector looked at this issue the 6 speed trans were too large to fit in the area the current 4 speed occupies. The 6L series units all share the same design and layout whether it is a 6L45,6L50, 6L80, or 6L90. From factory, the 6 speeds have a higher rear end ratio (lower number). While the 6L80 used four pinion gears, the 6L90 utilized six, invariably strengthening the input gear set; how did GM actualize this? GM used a longer transmission case, 35mm longer than the 6L80 case. Foremost on the list is the Sonnax clutch apply kit. I paid $220. This process involves taking apart the transmission, disconnecting various parts of the engine, exhaust and Mar 4, 2013 · Maybe, but let’s look at the first gear ratio. Mar 12, 2022 · 6L80/8L90 swap, now stuck in 4th gear. Either 6L80 or 6L90. 3/6L in his square. Cut was made with a 6" grinder and a Metabo cut off wheel. This will be one of many videos upcoming to help with you LS/LT Jun 29, 2016 · The 6L90 case is about 1. I haven't been inside of an 6L90 yet but know the design is similar to the 6L80. 19367015 SHEET 2 of 12 Many of the parts described or listed in this manual are merchandised for off-highway application only, and are tagged with the “Special Parts Notice” reproduced here: Special Parts Notice The 6L90 transmission is slightly longer and taller than a comparable configuration 6L80 due to it's beefier internals. Please forgive me for having to revise the trans tunnel. Supermatic 6L80 Transmission Installation Kit IR 07AU19 PART No. Apr 13, 2008 · Escalade, any full size 6sp auto GM truck, Pontiac G8 and Vette. 1. 5″ longer. E. 03, 2. 0l. 85 and . From this angle it is apparent that the body of the 6L90 is bigger. You can't swap in a 6L80 without doing a standalone ECM/TCM set up. 5 inches longer than the 6L80 transmission, with approximately 25 percent of the internal components differing from the old variant. Verify drive wheels are blocked and parking brake is applied. 2010 Camaro SS 781rwhp. 2004 ECSB Silverado Z71 - Stock for now. The 6L80 vs 6L90 transmissions usually get damaged around the pump area. 73s drop in filter and black widow di/so muffler - stock otherwise Nov 17, 2014 · 6 Speed Swap (6L80/6L90) Me and my mechanic are planning a V8 swap into my blazer. A variable displacement vane-style oil pump is integral to the bellhousing. GM states, ". I've seen the Glide swap but I want to swap in a built 6L80 because I like the idea of keeping overdrive the 6L80. While this may be a great solution for the OEM manufactures it creates a issue when your looking to swap it into an older vehicle. Jun 6, 2018 · I believe that the 8L90 top of the bell housing bolt was moved (to accommodate the direct injection), comparing it to the 6L80. The 6l has a . We've sold hundreds of kits, internationally (Australia-Europe-Middle East-Canada) for turbo charged Holdens, overlanding Quigley Chevys, and SEMA cars. Well, we have a shifter to complete your swap. 6L80 / 6L90 transmissions do not typically use a dipstick. well then i contacted Posted by u/Bryanq_q98 - 6 votes and 9 comments Dec 13, 2021 · What would it take to from a programming standpoint to swap to a 6L90 if I have a 2019 L86 with 10L80? My trans is trashed and I want something a bit stouter now. All the data is transmitted on the CANbus to the other computers. at . 02-21-2021 #5. All of the 1998-up cases used behind the LS family of engines used the separate bellhousing style of case. What would it take to swap in a 6L80 from a 2014 C7 Corvette? Can the 17 Z06 TCM control the 6L90? The LOJ Conversions Gen III/IV Chevrolet LS Engine into 370Z / G37 Basic Swap kit is the most economical engine installation package available for the Nissan 370Z and Infiniti G37. Mar 4, 2022 · If one darkens your door, it will typically have an issue related to the pump and/or the torque converter. 800-843-2600 · 802-463-9722. Jul 15, 2016 · 2208 posts · Joined 2005. The working trans if from a 2012 2500hd 4x4 with the 6L90. Jun 7, 2013 · Alvin @ pcm of north carolina makes a wiring harness that works with factory harness with his tcm, a 6l80-e has 32 spline output shaft as does the 4l80-e. 53, 1. 2008 G8 with a maggie and 6L90 swap: I was in the process of tuning this particular vehicle and Nov 17, 2009 · 5681 posts · Joined 2007. Transmission Electro Hydraulic Control Modules (TEHCMs) have been added to the ACDelco GM Original Equipment (GM OE) product offering and can now be reprogrammed without relying on the dealer. 5" wide and 9" long. I have 2 right now that I need a little help on. made slightly easier by the fact that the car is a plane Nov 11, 2018 · 6L90E swap. 625 3rd-1 4th-. 5'' 36 spline for 2wd applications and the 4x4 unit uses a 29 spline output. I have a takeout 6. Good question. I've ordered a 300mm Pro Series Triple Disk TC from Circle D with the closest to stock stall at 1800-2000. The 6L90 transmission has a beefier set of gears and many internal upgrades, such as an extra Aug 8, 2019 · here is the Nissan shifter , it only has PRND go to the left then TUTD, but i was able to make the shift range positions closer in the 6l90 selector so in the range of PRND of the Nissan's shifter i actually got P-R-N-D6-D5 and when i move it to the left side which is the place of the TUTD switches it stays in D5. Jonathan1126. Tap the 2 holes using a 1/4-18 npt tap and fill holes using a 1/4 pipe plug. I recently completed an L83/6L80 swap to an L86/8L90 swap in a 2014 Silverado. g. 545". These Cummins kit lets you get the transmission functioning behind Oct 24, 2021 · I am selling the PCMofNC Swap harness and ECU to swap from a 6L80/6L90 to a 4L80 transmission. The body is 3. TEHCMs, which are found in all GM 6-speed automatic transmissions, can be flashed at your facility using the ACDelco TIS2Web program and a J2534 interface tool, making it even easier to earn customers Apr 12, 2008 · 6L90 & LSX into 68 Camaro Project (6L80) Thought you all may be interested in an LSX conversion with 6L90E (similar to 6L80E A6 in current GM cars - 6L90 is the high torque truck version). Anytime the converter decides to “take a permeant vacation 1. In this Video Matt from the PSI Team will quickly walk you through the process of removing a TCM from a 6L80/6L90 transmission. . If its a 6l90-e it will have a 34 spline and your t case input wont work. Go to a 4L80 and change your rear dif gear ratio. The 36 spline shaft o. Last edited by hjtrbo; 02-21-2021 at 03:29 PM . (DEI): Heat Prote Dec 23, 2011 · The common element in both the 4L80 and the 6L90 is the 6-bolt round rear flange, so at that point at least, they are the same. 00. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control Jan 14, 2021 · Unit Endplay. 70 El Camino SS 454 (current project) Team Chevelle membership # 5470. 667 Horseshoe shifter for 6L80 and factory consoles #1199. 696 The 6l90 ratios are: 4. 4L80e is a 4 speed. Only problem I'm having is when I shift into drive, trans stays in 4th gear all the time. F. Jul 26, 2019 · This has probably been amplified by the addition of that Whipple supercharger! Sonnax has a line of upgrade parts that address some of the 6L80 and 6L90 transmission weaknesses. This module is designed to add TAP shift and TOW Mar 7, 2017 · The traditional small-block six-bolt bellhousing pattern is the best and easiest way to identify a 4L60E style transmission if you find one at the swap meet for sale. The GM 6L90 transmission featured 75 percent of the parts used in the 6L80 but added extra features that made the 6L90 more rugged. SKU: 1200. Senior Tuner. Sep 9, 2021 · The parts needed are the converter housing adapter, 3 of the converter spacers and 3 of the M10-1. 2006 Sierra 2500 SLT LBZ. I have shit taste. Proper fluid level is achieved when fluid begins to drip from the Level Control Plug opening. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant. 2 LSA and 6l90 to fully clone a Holden GTS Reactions: BigV8 and Fedge378 Save Share Specifications. 390" o. Circle D 258mm 3400 3B Pro Series Multi Disk. 756x900-1_-ASx7vQ5847dENA. 85. Nov 27, 2017 · The time now is 01:18 PM. The 4l60 ratios are: 1st-3. These GM kits comes with the necessary hardware to directly bolt the transmission to the Gen 1 and 2. #9. A trans/ tcase adapter from say a 99-06 2500 chevy and obviously driveshaft lengths, filler tube and all the little bs. The 6L90 torque converter was used in some 5th ge Jan 19, 2011 · Circle D has been beefing up GM's new six-speed since they first hit the streets, and we recently visited its shop to find out what it takes to prep a 6L80E for battle. Also I am considering purchasing software for   6L80-6L90 TAP-TOW/HAUL-REVERSE LAMP MODULE Most newer transmissions are computer controled and do not have any type of external mode switch. The sleeper Silverado returns for a trans swap and axle upgrades, including Gearing 101. 532 1. Cut shaft as per instructions that come with the adapter. Mar 8, 2021 · For example, changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. Install 4wd output seal. The 6L90 transmission has a beefier set of gears and many internal upgrades, such as an extra Dec 2, 2018 · The TCC is allowed to slip between 20-10rpm until the engine torque exceeds 185 ldft when the AC is off and is only allowed 3 rpm when the AC is on. Verify engine is idling at 0% throttle. 04:1 gear ratio spread to improve performance and fuel economy when compared with conventional four- and five-speed automatic transmissions. All, My 2014 Silverado is approaching 90k miles and I'm performing a precautionary converter swap on an otherwise stock 6l80e. Mar 9, 2024 · 6L80 to 6L90 Transmission Swap: What You Need to Know • Transmission Swap Tips • Learn about swapping a 6L80 for a 6L90 transmission, including compatibility, TCM programming, and potential Apr 3, 2018 · Anybody gave these 6L transmissions a try in the older trucks? I've ordered the Holley 6L80/90 Controller. SKU P-120020 6L80e to 4LXXe Conversion Harness Categories 4L80e Swap Harnesses & Parts, Camaro V8 2010-2015, G8 GT & GXP 2008-2009, Transmission, Transmission. which is totally different than the 6L80/6L90. This kit made it very simple. Dec 6, 2009 · I have searched but can find no threads on this swap. Using the previously designed output speed-sensor assembly with the UNIGEAR output shaft assembly will result in immediate damage to the output speed sensor. This appears to be a 4WD version of the 6L90. The Novak 6L80 to Jeep NP / NVG transfer cases adapter is compact at only 3-1/4" long for a combined transmission and adapter length of 26-1/2” for the 6L80E and 27-3/4” for the 6L90E (equivalent to a ~19-1/2” or 20-3/4” manual transmission). Working on a swap and need some help. The 6L90 can handle up to 555 hp in passenger cars. 67. It was almost a bolt-in and runs great, but requires an $800 controller. 6l80 and 6l90 Transmission Fluid Type and Capacity. 5" tall, 3. I have a Duramax/6L in the square dually, my brother in law has a 5. Sonnax Transmission Company 2 Imtec Lane, Bellows Falls, VT 05101-0440, USA. I want to swap in a newer 6L80E. But to hook up the 6L80 to the E38 you have to buy the engine wiring harness. Harness grommet. I have a slipping 2016 2500hd 4x4 which is also a 6L90. Im in the process of swapping a 6l90e into my 2010 SS. 44". Using the new “stepped” output shaft The 6L80 / 6L90 will operate with any aftermarket or OE shifter. By the way you can do a gen 4 engine with a gen 3 tranny. I've never heard of a 4L80? Jun 23, 2011 · The 6l90 uses a larger output shaft that's 1. The 6L80 is with the 6. Oct 9, 2017 · I guess I will scrap the 6L80 idea and just go with a 700R4 that I already have that only has 44,000 miles on it and be happy with only 4 gears instead of 6. Jun 24, 2019 · The 6L is 3-4 inches longer than the 4L (the 6L80 might be a hair shorter than the 6L90), but I was able to use the stock driveshaft loop with a ~6" extension welded on. 03:1 first gear. Sep 30, 2022 · 6L80 vs 6L90 Damage Differences. It should help a little bit. With this in mind, you need to measure the endplay of the unit BEFORE you disassemble the unit. May 6, 2021 · I co-own a shop in Tulsa, OK and have recently recieved a surge of 6l80/6l90 based vehicles that have came in for transmission related issue due to poor tuning and craftsmanship from another shop. It is my understanding that if you have a 3:42 gear ratio, the 6 speed will act like you have 4:10's. It’s a single-disc, non-captive clutch unit that is somewhat similar to late 300mm 4L60-E converters. Contact Us. Instructions. The 6L80E has a gear ratio spread of 4. hjtrbo. Apr 22, 2022 · I can go and get another rebuild and they can put the same shift kit "for longevity" in it for $2200-$3k depending on how messed up mine is when they get it. Choose your options: Engine: Select. The first stick is for PRNDM and the second stick is the +/- tap stick. The 700R4 is almost a drop in replacement. Figure 2-3k for a transmission plus labor and it wouldn't be hard to have 5k in the swap. Verify vehicle is on level ground when performing fluid level check procedure. Not exactly. is 1. 2. Mar 2, 2013 · I have been researching the 6l80 or 6l90 auto swap into the GTO and read previous post here. ProCharger says going from 3. 3 with a 6L80E complete. I am bypassing that $800 controller by converting to GenIV engine management, building a 4x cam sensor reluctor for my L31 distributor. I then took my measurements on how much of the planetary output to cut off. Sep 30, 2005 · Zip Kit®Part No. This is a custom-built one-piece drive shaft that went from a GM 6L80 transmission to a 1310 series at the r Mar 6, 2018 · 2006+ 6L80/90 Conversion Package FINALLY!! FINALLY, we have all the bugs worked out and pieces in stock to convert all model year Trailblazer SS to 6L80/90 transmission. Matt has lots of information that he would like to share with you to help with any swap. TR6060 to 6l90E swap V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Aug 10, 2014 · 6L80E 2wd to 4wd conversion: Remove the stock 2wd tailshaft and housing. 03-27-2022 #14. Jun 23, 2013 · yes but what if I want to swap the 6l80e into my 2002 1500hd which has a 4l80e that writeup is for 07 and up swaps new truck 2002 chevy 1500hd 2wd 4l80e new reman w-40k trans cooler3. 4" (35mm) longer than the 6L80 case. Rated 5. 9" to 3. 2L) STANDALONE WIRING HARNESS W/6L80E $ 3,200. 6L80e to 4LXXe Conversion Harness. vehicle weights. The donor vehicle was a 2017 Silverado. #2 · Sep 30, 2021. A 4l60 has . Goes to 6L80 / 6L90 transmission Feb 18, 2021 · While it is true that any 4-wheel drive (4WD) vehicle can be converted to two-wheel drive (2WD), it is not a simple task. When cutting the JMBX open, converter rebuilders report that a high percentage of units show extreme damage due to the clutch piston and front Sep 13, 2020 · The rev drop and poor ratio is beyond frustrating in the A8 and the 4/5 shift just seems to get worse as I have added power. 6L45-6L90-ZIP. Mar 31, 2020 · Most full-size trucks and SUVs with a 6L80, 6L90 use a JMBX full-size (300mm) style converter. Unless you're planning on a complete driveline swap you'll need a standalone controller, they're about $1k. It was agonising making this decision. Gen IV, Gen V, LS, LT1, LT4 Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit 4L80/4L85 Full Manual Valve Body Conversion Kit '09 - '15 LY6 (6. jpg. 15, . 027 2. 2L and the 6L90 is with the 6. The 6L90 is a heavy-duty version of the 6L80 six-speed automatic, with a strengthened input gearset that has two additional pinion gears (six in total) and a strengthened output gearset that uses Apr 1, 2023 · Southern Illinois. I've had a recent interest in improvements, and I've been eyeing this 6L80e conversion kit. 00 out of 5 based on 2 customer ratings. Mar 9, 2024 · 6L80 to 6L90 Transmission Swap: What You Need to Know • Transmission Swap Tips • Learn about swapping a 6L80 for a 6L90 transmission, including compatibility, TCM programming, and Feb 3, 2023 · FIRST 6L80/90 swaps in a Trailblazer GMT360 platforms (V8 & 4200 I6). It has worked great and held up to racing for the past two years. This is in my 2003 S10 Blazer 4 door with a 2" Rough Country lift kit. Requires E38 ECM / T43 TCM reprogramming for The Adapter. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. the extended converter housing bolts are metric and the 6. 6L90E is a 6 speed. 5th gear is almost identical to 4th (OD) in the 4L60. The conversion requires removing the transfer case, driveshaft, axles and other components from the 4WD system. 5 & newer 2500 6. I used a 4wd 6l80, elongated two holes and bolted it up to the 205. Jan 18, 2020 · In this video, we do a Camaro transmission swap. 6l80 to 6l90 swap behind a l92 6. In a truck, the weight reduces handling to 452, torque limits range from 530 to 550 ft-lbs. The TCM-2650 Gateway will allow you to get the GM 6L45E, 6L50E, 6L80E and 6L90E transmission to operate with any engine that you can get it bolted to. Input on 205 fits tight into the factory adapter and centers the t-case. don't let them tell you it can't be done do your research Dec 14, 2017 · The 2wd 6L90 has a huge 36 spline output shaft. FIRST Hummer H3 6L80 First New Gen GTO (04-06). 71 Chevelle SS 454 Convertible. The problematic sun shell stays with the 4L series. Dec 23, 2020 · 6l80 to 6l90 swap questions V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Feb 3, 2016 · For my 2011 I had to get a different slip yoke and u joint. $1,499. The diameter of the root of the splines is 1. He thinks I should keep my transmission and get a 6. Using a Lokar shifter and need to adapt to their micro switches, see Lokar Tap Shift box here. 00 Mar 30, 2019 · 4L60E to 6L80E swap. Has anyone ever reprogramed the existing ECM to control the 6L80 trans? Or would I be better to find a new 5. 852. 2. 4L80 on the right, 6L80 on the left: Nov 12, 2021 · The most important fix for our desert race truck was to add TUTD sport shift mode to the 6L90 in our 1978 Jeep J10 race truck named HONCHO! This will help u Gen III Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit GM LS2/LS3 CORVETTE ACCELERATOR PEDAL (2007 - CURRENT) $ 4,000. 1999 Silverado 1500 LT LQ4. Also a new shift lever cable. That value can be used towards the full custom tuning price. Im using a zl1 diff as well. Apr 13, 2008 · Nope, the 6L80 is an entirely different transmission than the 4L70 and do not share any common parts. Sonnax has the answer. I know that there were updates to the trans every couple of years but would any of these prevent the swap? I would put in a new torque converter and filter. I have a 2003 4. #15 · Jul 31, 2016. Kinda curious as to what back to back to back comparisons would be with a 4l60/4l80/6l80 setup and same engine/rear gear. Compared to the 4L60E GM GM's new Hydra-Matic 6L80 & 6L90 transmissions are the first of a new family of modular six-speed rear-drive transmissions. I never seen any spline adapters for the 6l90 off the shelve it would have to be custom. 36, 1. The slip allows for smoother engine operation at low load and low rpm operation. Find top-quality 6L80, 6L90 performance transmission parts to enhance any build, from tuning pressure and restoring valve body function to ramping up shaft and clutch durability. We offer either 6L80E and 6L90E (additional core fee) transmissions kits. Aug 21, 2023 · I am looking to find out info for a trans swap for a trans which is slipping. Nov 30, 2017 · Reaction score. It includes a GM T42 Transmission ECU to control the 4L80 and integrates with your existing engine ECU flawlessly. This is done by pulse width modulation of the TCC solenoid. Just add our switch box to allow for tap up/tap down shifting capability. #3 · Nov 17, 2009. 4″ in length. i have a 2010 camaro ss and was planning on going the s/c route so i did a bunch or research and decide to take out the 6l80e for a 6l90e. Shifter for LS swap 6L80E and 6L90E. I'm not trying to make my blazer 'fast', I have a Camaro for going fast. My question is what variables for the transmission calibration 6L80 / 6L90 Tap Shift Instructions (applicable to floor mount shifter kit, and tap shift switch box) Two wires coming from shifter/tap switch module: Pink/Black - Switched Ignition/Power - Goes to any appropriate switched (key on: power, key off: no power) power source. 6L80e/ 6L90e/ 8L80e /8L90e Shifters. 0L)/ L92 (6. For a GM 32 spline you only need 1. 364 1. The 6L80’s and 90’s need to have minimal endplay for longevity. Which is not the expensive. I am thinking about trying to find a wrecked 07. I am using a short input in the 205. 0 tranny (& and probably ecu as well unless I can have my ecu programmed to control it with efi live??)which I believe is the 6L80E or 6L90E. LS2. Did someone crash their 5th gen camaro, silverado, chevrolet SS or Pontiac G8, and you got the drivetrain. 2L holes are 3/8" (requires 6, 3/8X1 3/4" and 1, 3/8X1 1/4" flanged grade 8 bolts) Feb 13, 2023 · The 6l80E has two OD ratios, both 5th and 6th. My question to those of you that did this already; did u you have the drive shaft shop make a custom one or will a stock zl1 drive shaft for auto will bolt directly up. 152. 5 to 1, nominally. And this is the nasty high speed canbus on a HSV 6L90 and LSA. The 6L80 bell housing is its a full circle all the way around and not notched like earlier GM transmissions (e. $520. Driveline for this car is borrowed off 2013 ZL1. This kit includes a modified converter that will bolt directly to the existing engine and flexplate. The 6L80E has a 4. PNG. The 6L80's 6 gear is . Be sure they sit as close to flush as possible so they don't interfere with the adapter plate. In comparison, the 6l90 transmission is about 1. The 6L80 denotes that the transmission is a 6-Speed, Longitudinally mounted, and for 8000 lbs. Gen III Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit - Zero Gravity Performance. 0L used in the 2500/3500HD trucks. Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. $500. Mar 25, 2014 · So it had me thinking instead of a v8 swap why not just swap in the 6l90? It would give me a 4:1 first gear, should get the tires rolling better giving me better acceleration and combined with 4lo a realitively good crawl ratio. Apr 3, 2018 · A friend of mine made a thread on 6L80 swapping his Centurion. White/Black - Tap Up/Tap Down function. AWD/4WD Transmission-bellhousing to end of output shaft (bellhousing to end of case) Mar 6, 2024 · The 6L90 transmission is a stronger variant of the 6L80 transmission, introduced in 2007 as RPO code. Kooks Ceramic LT's & full 3in exhaust. Dec 4, 2017. LS3 (58X) With 6L80E/6L90E Engine Controller Kit. If you don’t use the correct rear gear ratio combination, first gear may be completely useless and you might as well start in second. That is my understanding. Jul 1, 2017 · The UNIGEAR output-shaft assembly will back service all 6L80/90 transmissions as long as the “stepped” output speed-sensor assembly is used. Maybe advance as something for the atlas for it by now. ( 2 customer reviews) $ 819. 7" @ 6,800 should get me there easy. 99. 6L80 Torque Converter Upgrade - 2014 Silverado. There was another company doing a $2500 standalone for the 6L80/90 come to think of it, but at that point you may as well grab a newer engine with the swap. Includes: Speartech standalone wiring harness with labeled connectors and hook-up wires. 00 for the new motor and trans wiring harness. #1200. Given the fact that most of these units have torque converter failure and pump damage, the pump will most likely need to be repaired or replaced. 68 6th gear and 5th is . This kit has been engineered specifically for the 370Z to make the installation of your LS engine and 6L80/6L90 6-Speed GM Automatic Transmission as simple as possible. This will be one of many videos upcoming to help with you LS/LT Apr 30, 2007 · The duramax has the allison trans. 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 Oct 7, 2021 · 6L80/6L90 These transmissions are very stout and will perform well under most conditions, although the cases are quite large and do not fit in most passenger cars with a stock transmission tunnel. 059 2nd-1. I am working on the harness now. The floor only needed to be opened up for about 6" at the back of the trans - the rest of it clears the tunnel just fine. Like. The defect is mainly attributed to a torque converter failure. PARTS USED IN THIS EPISODE:Design Engineering, Inc. Our electronics and adapters will support a 6L80e or 6L90e but with a 6L90e you may need to modify the trans bracket to accommodate the extra length and driveshaft modifications are a must. 2 l92 from a 2007 Yukon - it came with a 6l80 but the swap is going into a 12,000 lbs trolley so I figure the 6l90 would be a better choice for multiple reasons, the biggest reason being the use of the transmission parking brake, so I can be road legal. Jan 15, 2021 · In this video we show how to install a 6L90 torque converter in the 6L80 transmission in my 2014 Silverado. Most machinists and DIY enthusiasts know that torque converter failure is the #1 issue that grounds these transmission units. The transmissions feature two overdrive gears and a wide, 6. I noticed that the tranny casing is a lil longer. 8 LS with a 4L60E trans. It is a heavy-duty version of the 6L80 six-speed automatic, with a strengthened input gearset which has two additional pinion gears for six total, and a strengthened output gearset, that uses wider gears than the A standalone harness for those using an LS 58x engine paired with a 6L80 or 6L90 transmission. Both the 6L80 and 6l90 transmissions requires around 13. 4L80/85: 6L90: I found this picture of a 4L80 (left) & a 6L90 (right). It is about 1. Email tuning!!!, Mail order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e conversion harnesses, Installs. 5 quarts of transmission empty. The 6l80 uses the standard 32 spline output like the 4l80. I've had the 6L80 apart already and its a nice unit, very servicable. 75 4th gear ratios. ) are for torque converter access. I want to make it a towing beast. May 25, 2020 · not really a swap I pulled the original LS3 and 6l80 out and put in my 1986 Chevrolet Caprice going back with built 6. The switch can be mounted any place that's convenient for you. Sep 30, 2021 · 1803 posts · Joined 2019. . Sep 17, 2023 · While nearly identical, the 6l80 is a slightly smaller transmission, with a total weight of around 195 pounds dry and 23. 3l and a 6 speed automatic. Starting in 1996, many 4L60E transmissions employed a bolt-on bellhousing. The cross member from the 4L60 worked for the 6L80. Mar 31, 2020 · In 6L80, 6L90 units, an inherent torque converter problem might be the root cause of a lot of the transmission failures. 69 and a 4l80 has a . 16,076. Feb 6, 2019 · Going to change pulley and shoot for 800rwhp+ soon as Tim King has my Stage 4 max effort 6L90 in the car. 7 to 1. TH350 / TH400 / etc. Based on what is hanging off the high speed you will also have lots of DTC's to disable. 5X25 long converter bolts, the 2 extended engine dowels and that is all. Also getting DTC's P0700 and P2534/P2535. TKR Stage 4 CTSV 6L90. Jan 19, 2011 · Consequently, the 6L80E is essentially the replacement for the venerable, TH400-based 4L80E rather than a successor to the 700R4-based 4L60E. d. Not surprisingly, GM's new six-speed is reserved for Mar 6, 2024 · The 6L90 transmission is a stronger variant of the 6L80 transmission, introduced in 2007 as RPO code. The adapter itself is machined of a 6061T6 billet aluminum alloy, featuring thick 6L80 / 6L90 transmissions do not typically use a dipstick. pi qa kj dt rm px xv wh kz ly