NP203 has a 32-spline input currently and I have a 27-spline also. 0, and 6. Note: Small bearing bore case Dodge 23 spline & GM 10, 27 spline NP205 transfer cases will need the front input bearing bore machined to big bore specifications. Transfer Case Parts; 6L80, 6L90 300mm Converter Heavy Jan 9, 2012 · I'm in the process of putting a 4. Any idea on what transfer case should work? Thank you in advance. 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. Supermatic 6L80E to NP205 Dodge/GM Adapter Package. The Novak 6L80 / 6L90 to Jeep NP / NVG transfer cases adapter is compact at 3-1/4 Toyota Truck Dual Transfer Case Kits; Orion Transfer Cases (Toyota L/C FJ40) Jeep Dana 18 & 20; Toyota Truck & 4 Runner; Toyota Land Cruiser FJ60/62, FJ80 Parts: Gear Sets and Gear Bearing Kits Jun 5, 2019 · Good Morning, I have a problem. Dec 2, 2020 · ⚙️ Transmission - Transfer Case - Driveline 4l60e vs 6l80e. This adapter can also be used for 1997 & up Jeep NP231 and Jeep Dana 300 transfer cases however additional parts including a change of the transfer case input gear will be necessary. This adapter kit will adapt the New GM automatics 6L80E or 6L90E 4WD transmission to either GM or Dodge NP205 Figure 8 bolt pattern NP205 transfer cases. This item will Autoship every Transfer Cases. 0 quarts (New Venture Models) 1. Add to cart. Transfer Case Adaptor – 6L80E to LandCruiser 80 / 100 Series with 4-Speed Auto. Transfer Case Adaptor - 6L80E / 6L90E to Patrol GQ / GU. 08's. of clutch application at road speeds under 25 mph and much higher torque levels at speeds above 35 mph. One common 6l80 issue due to design flaws include premature clutch failure. You can see the output seal below. The other option is to get an Atlas transfer case. So here's the question assuming I get the combo where do I go for transfer case or what are my options? From what I've seen getting the trans to fit shouldn't be too terribly difficult. Feb 9, 2017 · OK, so I have been researching and searching for a transfer case for my 5. Essentially all factory GM 4wd applications available with an OEM configured 4L80 have adapters and transfer cases that are prohibitively long for a Jeep, and transfer cases whose sizes and gearing fall short of desirable for most Jeep applications. All previous GM transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as a electro/hydraulic controlled transmission. 6L80E Torque Converter The "Original" Series of Converters are designed for factory or slightly modified applications. Plenty of low end in low range. PRICE. To compensate for this extra length, the transfer case mounts and tail shafts will require modification. Novak's 6L80 & 6L90 transmissions to the Jeep Dana 300 & FSJ New Process transfer cases conversion makes for one of the strongest geartrains possible for both on-road and off-road, and has become an increasingly popular transmission to transfer case combination. Atlas 2 You may also choose to run an Atlas transfer case. Nov 22, 2019 · Need transfer case options (no 6L80 to 241OR adaptor available) Thread starter Jachatz; Start date Apr 9, 2020; Jachatz Member. 5-2008. Included in kit: Adapter Plates, Adapter Shaft, Seal and fasteners Option 2: Front Output Shaft Orientation Atlas transfer cases can be built with the front output shaft placed on either the driver or passenger side of the transmission, depending on which side of the front axle the differential is located, and at several angles ranging from perfectly level down to a 35 degree depending on vehicle clearance and configuration. This adapter kit will adapt the New GM automatics 6L80E or 6L90E 4WD to the Ford NP205 transfer case. 027; Second gear — 2. That is to say that for every revolution of the transmission output shaft, the front and rear transfer case outputs rotate one revolution. Custom 6L80e transfer case adapter will be machined to the perfect length, thus allowing the transfer case to sit in the EXACT same Apr 25, 2024 · The other option is adapting a late model 4LXX transmission to your existing transfer case. 1 x Adaptor Housing 6L80 to LT230 1 x Shaft Coupler 6L80 to LT230 -27 Spline NP203's came off of TH350 Transmissions from 1973-1979 this transfer case can be mated to the 4wd 700r4 with the stock NP241 adapter (Will not work with S10 700r4) -32 Spline NP203's came off of TH400 Transmissions from 1975-1979 this transfer case can be mated to 4wd GM NV4500, 4WD TH400 with stock NP208 Mounting Adapter, 4wd SM465 The 6L80E transmission is now for sale at our lowest price! We pull out all the stops with our Hydra-Matic 6L80 build. You can use our MFG43000 fully adjustable gearbox crossmember for various mounting position options. Since 2003 Monster Transmission has proudly served over 100,000 clients world-wide. Sep 17, 2023 · The 6l80 was designed to handle the torque output of some of GM’s biggest late-model LS (gen 4) and LT (gen 5) v8 engines, but a number of design flaws created most of the common 6L80E transmission problems. 364; Third gear Feb 28, 2018 · Introduced in late 2005 to become the 6-speed replacement for the 4-speed transmissions such as the 4L60E, the 6L presented several new challenges. The NP207 was the first transfer case that Jeep referred to as the Command Trac option. MP3023 remanufactured replacement unit for the electrically shifted unit that fits 09-17 GM Trucks with 6L80 transmission and RPO code NQH. 1 gas motors. The hi-low 4WD-lever housing is simply bolted to the top of the new adaptor housing. Sizes range from Spicer series 1310 to series 1410 to fit almost all popular drive shafts and axles. If this is the case, the transmission pump should be disassembled and inspected for possible damage. . 07″ long. So that's seeming less and less convincing. They will build that to bolt right up with no adapter. The 1500 gas will have either the 4l60e for the trucks from 2007. Warranty. What transfer case will match up to a 6L80E? 241? 2. New Components – All seals, bearings, joints and rings are replaced as well as electrical This adapter allows you to mate the GM 6L60 or the 6L90 transmission to the Advance Adapters Family of Atlas Transfer Cases. As a result, it doesn’t have the usual direct 1:1 ratio like the 4L60E and 4L80E transmissions. 6L80E automatic transmission Land Rover LT230 Transfer Transfer Case Adaptors for 6L80 & 6L90 from Marks 4WD. -ft. 3L 4x4 Z71 All Terrain Borla Touring cat back exhaust - Bilstein 5100's front level - Zone AAL - 20" GM replica wheels - Amp Research power steps - Custom Lewtune - SpecD HD grille - Sprint Booster V3 - Sealight LED's - Everstart Platinum AGM - Arrow Mark 1 cap with custom power locking rear glass - 20% tint - Eonon Q80Pro 8" Android headunit - Power folding tow mirrors - Custom The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors. Novak's 6L80E transmission to the Jeep Dana 300 or Early New Process (or New Venture) transfer cases conversion makes for one of the strongest drivetrain’s possible for both on-road and off-road, and has become an increasingly popular transmission to transfer case combination. 23″ without the extension housing. In 2009, the 6l80e was introduced as an option. 2. Jun 23, 2019 · Transfer Case Fluid Change Transfer Case Fluid Type MTF (New Venture 261-NP2) Auto Trac II (New Venture 246-NP8) Dexron VI ATF (All Others) Transfer Case Capacity 2. Other common 6L80E transmission problems include: The 6L80/6L90E transmission fills a much needed duty gap between the versatility of the 4L series and the Allison variety. 2 motors could be backed by the 6l80e trans. I called Chevy where I order all my parts from work and get the discounts and they say my truck takes Auto Trak II. GM 6L80 to LT230 Adapter Kit. I am using a short input in the 205. Solution – This problem could be caused by a cracked or split transmission filter. Transfer Case. The transfer cases we offer have been thoroughly tested from the smallest piece to the completed unit. I know the 4l60 would be an easy swap, but if love to have the 6 speed. The cable bracket is designed to accept the stock JK Tcase shifter cable, this cable will snap into the bracket using the stock clip style lock. warranty policy core information: no core charge i Nov 15, 2018 · FJ40 20” stretch, SBC, black box 205, 60/14bolt ‘86 4Runner SAS, 4. 6 quarts (Magna Powertrain Models) 1. The Borg Warner (BW) model 4482 RPO NR4 transfer case is a two-speed, full time 4WD, transfer case. 3/6L80/np241c swap. The gmt900 trucks there is a couple options. It also features two overdrive gears. Putting this Automatic Transmission Rebuild Kit on your ride is easy and requires no drilling. This is better than many other automatics which rely on the transfer case or rear driveshaft to seal the output housing. AUD Jan 31, 2017 · I'm doing a 5. I realize I'll probably have to swap some Feb 5, 2011 · The transfer case provides power to both axles, through an external planetary type differential, which has 2 different sets of pinion gears. The 6L80 adapter to the Land Cruiser 19 spline transfer case is 5” in length. What does this mean to […] Jul 15, 2016 · I used a 4wd 6l80, elongated two holes and bolted it up to the 205. The transfer case has an 6L80E Rebuild Kit ; 0; 800-708-0087 ITEMS. Will come with the rest of a rebuild kit. I see my options as being: 1. Aug 31, 2015 · * Atlas 2spd transfer case - Lose full-time AWD, but keep 4:1 tcase gearing * Run stock 6l80e transfer case (driver drop) and do a solid axle conversion - I don't want much lift, would still lose full-time AWD as well as 4:1 tcase AND front e-locker. This negates wheel hop and binding at low speeds and permits greater torque biasing at higher speeds to maintain vehicle stability. They share like 70% of their parts. GM Transfer Cases; Transfer Case Control Modules; Transmission Accessories. But that's the transfer case that will bolt right up to the 4L60E with no adapter. Feb 25, 2022 · The 6L80E is the only transmission in Chevrolet’s lineup of gearboxes that places the transmission controller in the oil pan where it is subject to high oil temperatures if abused. I'm struggling with what to do about a transfer case. QTY. Its a 2013 Silverado Crew Cab 5. 5 quarts (Borg Warner Models) Transfer Case Drain Plug Torque 15 ft-lbs (New Venture) Feb 5, 2014 · 1. 3/6L80E combo. Input on 205 fits tight into the factory adapter and centers the t-case. The 6L90 can handle up to 555 hp in passenger cars. 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. This is an adjustable transfer case shifter bracket that can be used with a Jeep transfer case bolt pattern. 50”. Kit 50-9550A, 6L90E adapter assembly includes new female 29 spline NP205 input gear and shaft, NP205 adapter ring, 6L90E conversion tail housing, input shaft bearing and fastening hardware. May 1, 2010 · The high-range is most often a 1:1 ratio. The Rubicon transfer case will not work because no one that we know of makes a 32 spline input shaft for it. I want to put a manually shifted transfer case on it, and drop it on the driver's side to mate up with my factory 88 Wagoneer D44. 3 NNBS, he claims that since i have 2wd, Auto, 4H, 4L that the transfercase requires Auto Trak II. I've been researhrese the sh1t out of it because I loved the 5. Buy a trans, buy an adapter kit from novak or AA, pay to have the output shaft installed in the trans and use my stock transfer case. CHEVY/GM NP-126 NEW PROCESS TRANSFER CASE. 6L80E Street Rod conversions, Remanufactured 6L80-E Transmissions. SKU: MFP1900xx. I rebuilt the NP203 and resealed the split case. However, the 6L80E command a premium price, mainly due to the high-quality components it contains. The adaptor is machined to accept the Nissan transmission mounts. The planetary differential provides a 40/60 torque split, front/rear, full time. The 6L80E automatic transmission makes use of 4 underdrive gears as well as two overdrive gears. 8 and 4l60e in my 93 YJ. 72:1. 3, 6. GM Chevrolet * EZ Flash Cable (Option Code Flasher) * Weld in motor mount brackets (Frame Side) * Transmission mounting plates (Bolt in on JK Crossmember) * Transfer case adapter 6L80E to Jeep 241J (NON Rubicon) * Transfer case input shaft to fit 6L80 * Transfer case input shaft seal * Transmission mount The 6L90E transmission is 35mm longer than the 6L80E transmission, therefore the transfer case is moved rearwards and modifications to the mounts, tail shaft lengths and shifter mounts will be required. Jun 29, 2016 · A transfer case adapter allows us to use the stock Jeep JK 241J transfer case. it provides a seal around the 32 spline output of the transmission so even if you remove your transfer case, no ATF leaks from the transmission. Transfer case adaptor housing; 6L80 output (32 tooth spline) to transfer input adaptor shaft The 241OR transfer case features the following input spline configuration: 23 spline, short (1-1/8" stickout) This most common version is compatible with our full line of transfer case to transmission adapter assemblies for New Process transfer cases; 23 spline, flush (no stickout) Option 7: Transfer Case Front and Rear Yokes There are a variety of yokes to choose from when ordering your Atlas transfer case including CV, non-cv, and output flange styles for both 26 spline and heavy duty 32 spline output shafts. This is our production transmission offering. There is a limited 90-day warranty for this product. The 6L90 case is 35mm longer than the 6L80 which will push the transfer case approximately 95mm towards the rear of the vehicle. 00. And the overall length of the transmission and adapter is 28. They are great as a direct replacement and have gone through extensive quality control checks. 3. The Novak 6L80 to Jeep transfer cases adapter is compact at only 3 Dec 26, 2007 · th400 transfer case options Jump to Latest 42K views 31 replies 12 participants last post by honkershop Nov 21, 2013 Feb 21, 2020 · Nealinator's 5. The 6L80 features a generously deep first gear for an automatic, making for favorably powerful starts from a standing stop. Regardless, please confirm with your VIN the right transfer case before you purchase. Mar 8, 2011 · The 6L90 transmission is slightly longer and taller than a comparable configuration 6L80 due to its beefier internals. If you are looking to mount this transmission up to a 4x4 vehicle, check and make sure you acquire the right transfer case. The early release of this product line was introduced in Cadillacs and Corvettes, but before long it became mainstream for GM’s light duty pickup and SUV lines. Application. Nov 21, 2006 · For the Cadillac Escalade, Escalade EXT, and Escalade ESV, the 6L80 is mated to the new BorgWarner 4485 transfer case, which was developed with GM Powertrain for uplevel trucks. The following parts are always replaced: bearings, seals, fork pads, viscous (when the unit has them) and chains. $1000 for both transfer cases and the adapter plate on the front of the NP203. The strength gain with the 90 is small. Advance Adapter. Which are the MP3024 transfer cases on the later ones the earlier ones use the NP246 IIR. MFP1900TB. Transfer Case Adaptor GM 6L80E transmission specialist, call today 800-708-0087 Transfer Cases. Summary. Cooler Lines; Dipstick/Fill Tubes; Slip Yokes; Transmission Components. The adapter itself is machined of a 6061 billet aluminum alloy, featuring thick flanges and a heavy cross-section. Downside is it's expensive. Secondly, the 6L80E is not a bolt-on swap for older vehicles. We developed this bracket for our LS-LT engine conversions but you could use it on any Jeep transfer case. Our transfer case adaptor housing replaces the 6L80 / 6L90 automatic transmission extension housing and then fits the Nissan transfer case using the original Nissan bolts. There is little doubt that the 240 pounds of my iron NP203/NP205 dual transfer case setup helped Jun 23, 2014 · The NP203 and split case were attached to this trans. Transmission GM's new Hydra-Matic 6L80 transmissions are the first of a new family of modular six-speed rear-drive transmissions. This is an expensive proposition, as the kits for this cost $750-$900 and require removing the original tailshaft and housing from the transmission. Newer than that and they use a driver's side drop case. Dec 18, 2012 · The 6l80 is one of the hardest trans to use in aftermarket. There's one company I found that does stand alone Allison controllers that said they MIGHT do a 6l80 controller. The 6L80E to Jeep JK NP 241j transfer cases adapter is compact at only 3. 0" long for a combined transmission and adapter length of 29-1/4". 4L60E/4L65E Rebuild Kit Options; 6L80 6L90 Torque Specifications; 6L80/6L90 Fluid Capacity ; Transfer Case Parts & Kits . I am attempting to find an electronic transfer case for a 6L80 with a passenger drop and not having to much luck. Oct 27, 2022 · 6L80E Transmission Gear Ratios. GM Chevrolet Transfer Cases; Core and Warranty Options (Please Select One) Transfer Case Adaptor – 6L80E to LandCruiser 80 / 100 Series Auto (HF2A Case) LandCruiser 80 & 100 series full time 4wd HF2A transfer case. Transmission GM's new Hydra-Matic 6L80 & 6L90 transmissions are the first of a new family of modular six-speed rear-drive transmissions. Borg Warner (BW) Transfer Case Parts Note: Small bearing bore case Dodge 23 spline & GM 10, 27 spline NP205 transfer cases will need the front input bearing bore machined to big bore specifications. Both options come with a transmission core charge (must be a 6L80E Core Pictured below are just a few of the Updates & Upgrades that go into each 6L80E Transmission. New Process 231 (1988 - 2006) The part time, chain-driven New Process 231 transfer case was introduced in the 1988 model year and is found in Jeep YJ's, TJ's, XJ's and MJ's. Jun 23, 2011 · The really only options for the 6l90 are the ones that come stock for them from GM. 3 and 6L80E swap in a 1997 jeep tj. Combined with the low first gear of the 6l80 you will find low range has a similar low ratio to a stock Rubicon. The adapter material is 356 T6 heat treated aluminum alloy. The 4L80 has left us aficionados very impressed. GM states, ". Bad news is that 6L80e is 32 spline, and our transfer case is 27 spline. I have the engine and tranny but I can't find a passenger side drop, 32 spline, np241c, with VSS. The most common transfer cases used with the 6L80 transmission are the Borg-Warner BW4485 and the Magna Powertrain MP1222LD. | Advance Adapters Advance Adapter This adapter kit will adapt the New GM automatics 6L80E or 6L90E 4WD to either GM & Dodge NP205 Figure 8 bolt pattern NP205's. MFP1900xx. Mar 27, 2021 · 50-9551AB: GM 6L80E / 6L90E 6 speed automatics to the GM & Dodge NP205 Figure 8 Transfer cases. In a truck, the weight reduces handling to 452, torque limits range from 530 to 550 ft-lbs. May 16, 2010 · if youve got a D44hp in front the np231 you should have already is a good unit with tons of upgrades LoL take that fucker to the car wash and getter done LoL then take it apart and use the dishwasher to clean yer cases and inspect parts/replace if necessary put new seals in it and be done with it Some 1st gens had the HD 231s in em I used a first gen to eliminate the cv crappy driveshaft on my Adapting the GM 6L80E Transmission to the Jeep Dana 300 Transfer Case & FSJ NP Transfer Cases. LOL it may never reach the overdrives in doing so though with 3. The adaptor housing that replaces the LandCruiser 4 speed automatic with the HF2A transfer case is 205mm/8. 4L60E 4L65E 4L70E; 4L80E 4L85E; 6L80E 6L90; Turbo 400; Valve Bodies; Transmission Control Modules. It was offered with both passenger- and driver-side front outputs Our remanufacturing process: Deep Clean – To start the remanufacturing process, each transfer case is fully disassembled and cleaned. A shift kit is also included in this pack. So, a new transfer case input shaft will be machined/heat treated. 75"` $ 4,075. Upside is pretty straight forward. TOTAL [ITEM_NAME] View/Hide options. Simple Shift; T43 Controller; T87 8l90E TCM; TCM-2800 Transmission Controller Dec 21, 2023 · Video explaining good/better/best build options for upgrading 6L80/90 300mm torque converter durability. Traction control and wheel slip monitoring are performed by the stability and anti-lock braking systems. Here is the gear ratio of the 6L80E automatic transmission: First gear — 4. Joined Nov 22, 2019 Messages 25 Mar 8, 2014 · Chevy tech in a Jeep Wagoneer. CONTACT INFO. Our Client Care Department is dedicated to providing service that's a cut above the rest. No shifters though. GM 6L80 2WD to Toyota Land Cruiser 19 Spline Transfer Case. This is the same Mar 27, 2014 · RPO codes for MP Transfer case NQF Transfer case, electronic shift with rotary dial controls NQG Transfer case, with floor-mounted shifter All Magna Powertrain (MP) Transfer Case use ATF (Dexron VI) No more AutoTrac fluid from 2007 on Novak's 6L80 & 6L90 transmissions to the Jeep New Process (or New Venture) transfer cases conversion makes for one of the strongest geartrains possible for both on-road and off-road, and has become an increasingly popular transmission to transfer case combination. This transfer case adapter in not compatible with the Jeep NVG 241 O R used in the Rubicon model. Please provide us with the year, make, model, and engine size of your vehicle at checkout Feb 11, 2015 · Be sure to look for one from a 1988 (87?) and older pickup truck or a 1991 and older K5 Blazer. They all 3 Mar 3, 2017 · Doing a major service on my truck and Owners Manual says, Dextron 6 for the Transfer Case. 7 marlin case, 37” trep radials Apr 1, 2010 · In this series of transfer cases the transfer-case control module applies 0-5 lb. Transfer Case Adaptor - 6L80E / 6L90E to Patrol GQ / GU AUD $ 2,750. Jump to Latest I have a 2000 silverado with the 4l60e and 2 silverados with the 6l80e. 00 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. It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France. Jan 9, 2014 · That seal is a really nice feature of the 6L80. I'm trying to find out if the bolt circle is the same on the 4L80E as the 6L80E so that the 241C will bolt up. Toyota Truck Dual Transfer Case Kits; MARKS GM 6L80 TO Land Rover LT230 Transfer Case. This McLeod Performance 6L80/6L80E Automatic Transmission Rebuild Kit fits all 2009-2018 Silverado 1500 models. The 6L80E has an overall case length of 590mm / 23. Am I right I'm thinking that only the 1991 suburban and blazer have the this specific configuration This adapter allows you to mate the GM 6L80 transmission to the JEEP JK NP241 TRANSFER CASE 2. Do you think I'll need to change the gearing using a 6l80e? I ask because it may be the cheaper/better option. GM 6L80E Performance transmissions Chevrolet Performance. Have Peace Of Mind, knowing that your new 6L80E Transmission has all the Updates developed by General Motors Engineers combined with the Latest Industry Advancements providing Unparalleled OE Strength and Durability. The later eight- and 10-speed gearboxes moved the ECU back out of the transmission and the six-speed is essentially its own design—completely different from all Apr 2, 2020 · And the manual options is nv4500 for gas motors and the zf6 for the diesel and 8. Address: 385-393 Lower Dandenong Road, Dingley And with an available 3000-3400 stall converter found on the 6L80-E SuperMatic Six-Speed Automatic Transmission, getting that perfect launch is a snap. Installation. 3/6l80e combo in my '15 silverado. Can I use an NP241 out of a Gen III Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit 6L80E 6L90E 8L90E Lever/Gear Display Polished 2" OD, . If you have a Rubicon you will need to run the 2. 7 NVG 241J transfer case. But at the moment from what I've read it's a lot of hassle to make it work. To suit 2WD 32 spline 6L80 automatic transmissions. Aug 10, 2017 · The New Process 241 is an aluminum-case, chain-drive transfer case that was used in Chevy, Dodge, and Jeep 4WDs beginning in 1987. Jul 3, 2013 · Years later, after constant abuse and airtime, the back of the TH400 housing broke off completely. Low Gearing Options. So the 5. Aug 22, 2018 · Getting them as a pair I can get the 6l80 for another 2k. Sep 1, 2015 · 6L80e output shaft length is perfect for our transfer case input shaft. The kit comprises a cast aluminium adaptor housing, billet steel interface plate, shaft coupler, low range lever mount, all required fixings and instructions. The 6l80E has a 32 spline tailshaft IIRC. This transfer case features an open planetary differential. Drive with peace of mind knowing that wherever life takes you, we've got you c The 6L80E to Jeep JK NP 241j transfer cases adapter is compact at only 3. Both are factory new parts. You can choose from a GM factory new transmission with torque converter or a remanufactured unit. The Marks 4WD transfer case adaptor is designed for joining the GM 6L80E auto transmission to the Toyota LandCruiser 19 spline transfer case. Select options. Inspection – Each transfer case is carefully inspected for cracks, excessive wear, shaft warp, and chain stretch. From its clutch packs helical cut gears to its performance-built lock-up torque converter you won’t find a better deal on the market. It has worked great and held up to racing for the past two years. I would switch to a 6l80 it would give you lots more options for transfer cases. Not changing the axle ratio's, would it be better to go with the 6l90e? 4. About to purchase a 2009 5. Kit Includes. rebuilt 2007-up gm chevy mp3023 transfer case rpo: nqh 32 spline input 32 spline rear slip output electric shift shift motor not included in purchase applications: behind a 6l80 6l90 and hybrid 2ml70 transmission 2 year warranty unlimited mileage transmart 4x4 usa inc. Problem – Trucks equipped with the 6-speed 6L80 or 6L90 transmission may experience no forward or reverse engagement, or slipping between the gears. om hb gk ps ak be pc ha ye bq