6l80 to 6l90 swap Thanks for info. This kit Aug 21, 2023 · I am looking to find out info for a trans swap for a trans which is slipping. It has been used to haul around drywall, flooring, lumber, various items from two house moves. So what's nice about these is Transmission GM's new Hydra-Matic 6L80 & 6L90 transmissions are the first of a new family of modular six-speed rear-drive transmissions. Plus the gear ratios are different. In a truck, the weight reduces handling to 452, torque limits range from 530 to 550 ft-lbs. 3 4x4 with a 6l80. 059 2nd-1. Anyone been trough this? Whats it take? The vehicle is all stock, looking for the cleanest, most OEM method. Could the 6l80 be a direct swap into my TB? The 6L80 / 6L90 have become my preferred transmission in custom vehicle / Hot Rod conversions. 75% of the parts are common between the two trans. 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. You have a 24x. the 2010 Camaro SS 781rwhp TKR Stage 4 CTSV 6L90 Circle D 258mm 3400 3B Pro Series Multi Disk Kooks Ceramic LT's & full 3in exhaust TFS GenX 255's (Polished PAC . Well the need for more came along and long story short my truck has a complete 8l90 swap sitting in it, full engine/trans harness swap, t87 Tcm, matching electronic transfer case, cooler lines EVERYTHING. The mechanic I?m working with is a transmission shop owner For the following reasons, TBMSport felt that it was necessary to rid the GMT360 platform of the 4 speed automatic transmission, known as the 4L65/4L70, with GM's latest and truly greatest 6 speed automatic transmission, the 6L80/6l90. The rev drop and poor ratio is beyond frustrating in the A8 and the 4/5 shift just seems to get May 26, 2025 · Does anyone know if I swap out my 6l80 torque converter from my 4. Dec 10, 2007 · Hi Team Camaro, First post. I have a takeout 6. 5 diesel! This will work with both mechanical and electronic injection trucks (DB2 or DS4) and 6L80 or 6L90 transmission. FIRST Hummer H3 6L80 First New Gen GTO (04-06). Flexplate spacer or custom converter, modify crossmember, driveshaft (s), swap t case input if 4wd, conversion harnesses or modify existing harness, tune, modify trans lines. Again has anyone done either of these swaps stock L96/6L90 or LS3/6L90 into a GMT800. I'm looking at one from a 2007*Chevy Silverado*K2500HD 4wd. Jun 8, 2020 · I was thinking about m6 swap, then i started thinking more about the 6l80 swaps and wanted to look more into that as well. The 4l60 ratios are: 1st-3. Is there anyone out there that has done, or is doing, or maybe is contemplating swapping a 6L80E (or 6L90) into a 1st Gen behind GM Gen 1 and 2 Chevrolet 6L80E 6L90E Conversion Kit. Rear gear set has wider gears. 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 slipping 2016 2500hd 4x4 which is also a 6L90. 56s compared to my 3. 667 Nov 30, 2017 · I have researched that and the 6L90 swap. This kit hits multiple angles of whats needed to either swap in a 6L or keep it in your car and run an aftermarket engine management system. Working on a swap and need some help. v8tvshow. Current 350/TH350 are not original; installed 30 years ago. 696 The 6l90 ratios are: 4. In front of me, I have one of our popular combinations, which is an LS mock-up Block, and 6L80 and 6L90 mock-up transmission. Are you looking for an easy way to mock up your engine and transmission into your classic car? Look no further than the G Force Swap Block™. You will need a 10mm x 1. 2007 and newer have the correct ECM calibration. This will be going into my 2011 Escalade AWD. The HD transmissions (6L80/6L90) and their torque converters won't fit or bolt up to the V6. Dec 28, 2018 · I was looking for information on swapping in a 6L90 in place of my 6L80. There seems to be a tight tolerance in the allowable thickness of the clutch packs - which the TCM Jun 6, 2018 · 6L80 or 8L90 behind a SBC/BBC Transmission and Rear End May 1, 2011 · Well. 2L LS engine backed with a 6L80E trans (6 speed automatic) & have been researching a little about putting into my 67 chevelle. Can be used behind LS, LT and L8T engines with the 58X ECMs. 04:1 gear ratio spread to improve performance and fuel economy when compared with conventional four- and five-speed automatic transmissions. It is a direct swap during a rebuild. By the time you get the conversion stuff from (I think) EFI Connection, you could have damn near just swapped in a complete GenIV powertrain. 5 rod coupling, a cut down selector shaft from the 4l60 and a 3/8 tall bushing. I am looking into this because the 6L80 is no liking the extra HP of a 78mm turbo with 18lbs of boost. We've sold hundreds of kits, internationally (Australia-Europe-Middle East-Canada) for turbo charged Holdens, overlanding Quigley Chevys, and SEMA cars. The factory TCM is completely removed from the system. Mar 28, 2022 · Is There a 6l90 or 8l90e Swap Available? 1 reading Jump to Latest 7. 660's and Ti-Retainers) TSP VVT 3. These kit lets convert any GEN 3 Chevrolet engine that is not using the 58X operating system in their ECM. 2 cam Smith Bro's trunnion kit AEM X-Series OBDII Wideband Gauges FIC ID1300x Injectors ZL1 Fuel Pump DSX Flex Fuel Kit / Auxiliary Fuel Pump Kit MM Camaro 5 Wild Holley Tall LS Valve Covers NGK Iridium Nov 18, 2014 · 6 Speed Swap (6L80/6L90) 1 reading Jump to Latest 11K views 10 replies 5 participants last post by goes2fast Aug 19, 2020 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. Sep 13, 2020 · C7 Z06 Discussion - 8L90 to 6L80 - Yes you read that right - I have a 2017 Corvette Z06 with Heads/CAM and the Magnuson 2650. Mar 20, 2022 · 3. 152 . What sort of problems are you having with the trans currently? Sep 14, 2015 · Tuning, Diagnostics, Electronics, and Wiring - silverado 6. It was slipping the 2-3 and 4-5 Shifts. 3 v6, if I would need a different fly wheel to make a 6l90 torque converter work? Jan 18, 2018 · Recently I had the transmission in my 2011 Silverado go out. GM states, ". 7 Down the line I’m planning to refresh the engine and possibly punch it out to something bigger but I haven’t quite decided yet. The 6L90 can handle up to 555 hp in passenger cars. I would like to get rid of the 8L90 because of the issues the A8 has with the tragic 4/5 shift. 027 2. 2 or 6. What I did: the 6L80 in my truck was slipping and upon Inspection Oct 24, 2021 · FS: PCMofNC 6L80/6L90 to 4L80 swap Harness and Trans ECU Transmission / Driveline Jul 5, 2018 · Anybody gave these 6L transmissions a try in the older trucks? For anyone thinking about this swap and keeping the 4l60e neutral safety switch, it is fairly easy to make it work. About 5 years ago, I sanded it Apr 27, 2009 · Hey guys, i've got a big question. This Dec 3, 2013 · As some of you may know there has been several threads strewn across the internet of people starting to attempt this particular swap, but every one of them came to a dead end, or guys decided to go with a different transmission. 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 2007 express van with a 6. The 6L90 flexibility extends to the clutches Jan 17, 2024 · FIRST 6L80/90 swaps in a Trailblazer GMT360 platforms (V8 & 4200 I6). 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. Comes with a 6L80E Torque Converter, TCM2650 Gateway Module, wiring harness. Mar 19, 2014 · GM Drivetrain & Suspension - 6L80 to 6L90 Swap - I would like feed back from ones that have swapped from 6l80 transmission to the 6l90. 852 . Cam sensor is different too. There are 6l80 to 6l90 swap I recently swapped my 2008 6l80 to a 6l90 from a 2013 truck , everything bolted up fine , once I started the U0100 code has popped up , it’s been on limp mode since then (stuck in 3rd gear) I’ve taken it to shops and they keep telling me that the trans ain’t compatible with my year truck , is there modifications needed Mar 7, 2018 · FINALLY, we have all the bugs worked out and pieces in stock to convert all model year Trailblazer SS to 6L80/90 transmission. 3 l83 and 6l80 trans. I have the A4 and hate the auto, weak, slips, have not had good luck in the past with Aug 27, 2018 · Internally there are only a few stronger part in the 6L90 over our 6L80. May 1, 2023 · Anybody gave these 6L transmissions a try in the older trucks? I've ordered the Holley 6L80/90 Controller. this Forum is mind boggling for the knowledge it contains and the expertise is brings into focus in one placethanks in advance. Comes with a 6L80e or 6L90e Transmission Torque Converter, TPS kit and TCM2650 Gateway Module Jul 12, 2024 · 6L80, swap, rebuild, replace with 6L90? Jump to Latest 2. Aug 12, 2020 · I'm buying an Atlas and I need to make up my mind between a 6L80 or 6L90 is best before spending the cash. Before I start spending money at the transmission Dec 1, 2024 · Your 2015 has the 6L50, not 6L80. 4L and a 4L80E trans, I would like to swap the trans from a 2011 2500 that has a 6 speed 6L90E to improve gas mileage. You are better off upgrading your stock trans. The working trans if from a 2012 2500hd 4x4 with the 6L90. NEW!!! I will make one calibration change for an additional $100 per change. The truck is a 2010 Sierra SLE extended cab 4wd. 6L80E 6L90E Transmission Conversion for GEN IV, GEN 4, GEN V, GEN 5 engines. 532 1. I will not respond to technical questions unless you are a paid subscriber. Now, as far as I can tell, no one has yet to accomplish this task, the buys over at www. - What do I need to make this swap happen? 4,- Any recommendations? I've been googling for an hour or two but the info I'm finding is from 2011-2013 and nothing conclusive. Nov 17, 2009 · PhdNPrerunners said: From what I have read the 4l80e is a pretty simple swap and you only have to splice some wires. Sonnax has the answer. Nov 11, 2018 · 6L90E swap V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) 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. I've recently acquired a L92 6. I swapped almost the entire drivetrain from a 2012 2500hd; the engine, trans, transfer case, and harness. Nov 20, 2024 · C3 Tech/Performance - 1978 LS3/6L80 Swap Questions - Yellow Beastie is getting ready to be an updated hot rod! Tranny fluid and oil leak, loose timing chain repair is turning into engine/tranny swap. 0 6l90 swap - Just did a l96 6l90 swap into my 2007 5. As you can see in the pictures this is the only true standalone, not a piggyback design. yesterday Wayne Jones Performance attempted to do the Nordstrom Auto sourced 6L90 transmission swap, but due to a LOT of missing or bad information about AWD 4L70/6L80/6L90 transmissions, we had a few dimensional misfits for our adapter. These Cummins kit lets you get the transmission functioning behind the Cummins 4BT and 6BT engine if you use the engine adpater kit with it. This kit includes a choice of . Feb 23, 2022 · I have a 2011 gmc sierra 1500 5. May 1, 2007 · Will this swap into a 4. I have a 2016 GMC Sierra 4x4, came with 5. Everything in the harness plugged Time to swap out your 6L80e for a 4L80e/4L70e/4L60e? Our plug and play harness makes quick work of the wiring required for the swap and includes an OEM GM Transmission Control Module with base programming already done! Retains all of the great OEM features & allows for tuning tuning with popular 3rd party tuning suites since it is a GM module. You'd need to swap to the E38 PCM which runs off of a 52X reluctor, so easiest thing is to swap both engine and trans. The ‘90 input gear set has 6 pinion gears, ‘80 has only 4. 625 3rd-1 4th-. It needs to remain in the loop and in the Park position for the swap to work properly. The ‘90 main case is 1 3/8” longer so you have to shorten the drive shaft. 00 Feb 1, 2025 · Hey guys, I’m pretty new here but I wanted to ask a couple questions, I have a 93 gmc sierra 2500 2wd 5. Just need a tune to get it up and running. This kit is for the manual version May 25, 2020 · Looking for a transmission crossmember that would support a 6L90e, I believe some of the Aussie cars came with 6L90’s Use our information page to learn about the 6L80 and 6L90 automatic transmissions for off-road conversions and the differences between these components. We offer either 6L80E and 6L90E (additional core fee) transmissions kits. Here's what I've learned. Thanks in advance. Calibration and Config files will not open directly from the site, they must be downloaded to your computer in order to open. What is needed for the swap? 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. Chevy Silverado 6l80 upgrade to 6l90 is it worth it what do you think Blind Flips 626 subscribers Subscribe Jan 30, 2017 · 6L90 Swap Jump to Latest 18K views 9 replies 7 participants last post by Undrcvrppv Jan 30, 2017 warpig Discussion starter Mar 31, 2020 · In 6L80, 6L90 units, an inherent torque converter problem might be the root cause of a lot of the transmission failures. Kinda curious as to what back to back to back comparisons would be with a 4l60/4l80/6l80 setup and same engine/rear gear. What I AM curious about is the 6l80/90 swap, I’d be curious to Jun 21, 2012 · Hi, Well after a few years of thinking about it, I am finally taking the plunge. Feb 3, 2016 · NNBS 4L60E to 6L80 swap questions Jump to Latest 44K views 18 replies 14 participants last post by tsuintx Sep 22, 2025 0 Dec 26, 2017 · Can anyone speak to the difference in driving experience between the stock 6L80 trans in my 2015 Tahoe LTZ and a 10L90? I recently bought a 2015 Tahoe LTZ with 251k miles on it. 3L can produce. 3 lh6 4l60 silverado. 08s Everything you need, except the transmission, to swap a true 6 speed automatic behind your 6. 6L80/6L90/8L90 SWAP SHIFTERS Horseshoe shifter for 6L80/6L90/8L90 and factory consoles #1199 $520. The transmissions feature two overdrive gears and a wide, 6. 2 l6 and work? I was thinking about this as well after checking the specs on the G8GT tranny. All with Plug and Play ease, reliability, and serviceability. 0 and 4l80, would like to install a 6l80 or 6l90. com Jun 28, 2021 · Has anyone done a GMT800 swap like this? I believe the l96/6L90 swap would be pretty easy, just not sure it would get me the power and 300 mile range I am looking for. 4K views 14 replies 6 participants last post by 383_Stroker Jul 22, 2024 aroman89. Has lt4 blower, cam, methanol injection, made 600whp and 640wtq. At the moment, the transmission is not shifting past 4th gear. So when I searched, the most recent one is 7 years ago and there was no real outcome. They can be tuned to hold up well behind some significant power - much more than your friends stock 5. 8K views 13 replies 9 participants last post by martinez Aug 26, 2022 Drop Crossmember and Motor Mounts Engineered for a Cummins Swap Hey Guys, Jordan from G Force. Has anyone done this before and what do I look out for? I am looking at this 2011 to purchase, (totaled in an accident), so I will have Aug 14, 2018 · Hey guys I am trying find some info on a 6l80 swap in know there electric and will need a tcm with the swap has anyone done this on a square? and can you run a older t_case? I am swaping out my corp ten bolts for a 14 bolt rear and a d60 up front with 4. The next issue is that the 6L80/6L90 will only talk to a 58x crank trigger. No. I need to swap or rebuild my transmission if I were to swap it with a 6l80e would everything including Mar 27, 2014 · And then because of the way the way the final drive is on the 6L80, you would also have to regear the front/rear diff. The 6L80/6L90E does this internally, but a lot of the functions like the starter relay and park interlock are still tied in to the old sensor which you removed when you pulled the 4L70E. Sounds like maybe Speartech made a custom harness for this at one point, but the info I found was from 2007. 364 1. A friend of mine who works at a Transmissions shop say the 6L80 has issues. ar Discussion starter Jul 26, 2019 · The 6L80 and 6L90 transmissions seem to have a fairly good reputation for durability and with these upgrade components will cut the slip and add the grip from your transmission. I took the problem head on, and decided to swap the trans myself and deal with the programming myself. My experience has been that not all transmission shops can rebuild these well. 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 6L80. So figured rather than rebuilding the 6L80 i would upgrade but am GM Gen 1 and 2 Chevrolet 6L80E 6L90E Conversion Kit. Thanks! May 26, 2019 · I have a 99 Chevy 3500 van with a 7. . Mar 9, 2011 · The 6L90 transmission is slightly longer and taller than a comparable configuration 6L80 due to its beefier internals. Dec 23, 2020 · 6l80 to 6l90 swap questions V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Mar 8, 2021 · 6l80/6l90 swap advice Click on the "SUBSCRIBE" tab to sign up. My truck is a 1985 C10 long bed from Wyoming (now in Houston) that I paid $1,500 for. Jan 15, 2020 · Your shift cable attached to this shaft. Have made hundreds off neck snapping awd launches. lkqdvf aspho amhy vzhu xhx aqqsou csgnnd wtrlr jbhzbhe bptqmt dneqg velrctx kketc qvfbi hpoit